view OMSSAAdapter.xml @ 4:1672e6be33d3 draft default tip

planemo upload for repository https://github.com/galaxyproteomics/tools-galaxyp/tree/master/tools/openms commit 3d1e5f37fd16524a415f707772eeb7ead848c5e3
author galaxyp
date Thu, 01 Dec 2022 19:10:09 +0000
parents 886991df53f7
children
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<?xml version='1.0' encoding='UTF-8'?>
<!--This is a configuration file for the integration of a tools into Galaxy (https://galaxyproject.org/). This file was automatically generated using CTDConverter.-->
<!--Proposed Tool Section: [Identification]-->
<tool id="OMSSAAdapter" name="OMSSAAdapter" version="@TOOL_VERSION@+galaxy@VERSION_SUFFIX@" profile="21.05">
  <description>Annotates MS/MS spectra using OMSSA.</description>
  <macros>
    <token name="@EXECUTABLE@">OMSSAAdapter</token>
    <import>macros.xml</import>
  </macros>
  <expand macro="requirements"/>
  <expand macro="stdio"/>
  <command detect_errors="exit_code"><![CDATA[@QUOTE_FOO@
@EXT_FOO@
#import re

## Preprocessing
mkdir in &&
ln -s '$in' 'in/${re.sub("[^\w\-_]", "_", $in.element_identifier)}.$gxy2omsext($in.ext)' &&
mkdir out &&
mkdir database &&
ln -s '$database' 'database/${re.sub("[^\w\-_]", "_", $database.element_identifier)}.$gxy2omsext($database.ext)' &&

makeblastdb -dbtype prot -blastdb_version 4 -in 'database/${re.sub("[^\w\-_]", "_", $database.element_identifier)}.$gxy2omsext($database.ext)' &&
## Main program call

set -o pipefail &&
@EXECUTABLE@ -write_ctd ./ &&
python3 '$__tool_directory__/fill_ctd.py' '@EXECUTABLE@.ctd' '$args_json' '$hardcoded_json' &&
@EXECUTABLE@ -ini @EXECUTABLE@.ctd
-in
'in/${re.sub("[^\w\-_]", "_", $in.element_identifier)}.$gxy2omsext($in.ext)'
-out
'out/output.${gxy2omsext("idxml")}'
-database
'database/${re.sub("[^\w\-_]", "_", $database.element_identifier)}.$gxy2omsext($database.ext)'

## Postprocessing
&& mv 'out/output.${gxy2omsext("idxml")}' '$out'
#if "ctd_out_FLAG" in $OPTIONAL_OUTPUTS
  && mv '@EXECUTABLE@.ctd' '$ctd_out'
#end if]]></command>
  <configfiles>
    <inputs name="args_json" data_style="paths"/>
    <configfile name="hardcoded_json"><![CDATA[{"omssa_executable": "\$(dirname \$(realpath \$(which omssacl)))/omssacl", "log": "log.txt", "threads": "\${GALAXY_SLOTS:-1}", "no_progress": true}]]></configfile>
  </configfiles>
  <inputs>
    <param argument="-in" type="data" format="mzml" optional="false" label="Input file" help=" select mzml data sets(s)"/>
    <param argument="-precursor_mass_tolerance" type="float" optional="true" value="10.0" label="Precursor monoisotopic mass tolerance" help=""/>
    <param argument="-precursor_error_units" type="select" optional="true" label="Unit of precursor mass tolerance" help="">
      <option value="Da">Da</option>
      <option value="ppm" selected="true">ppm</option>
      <expand macro="list_string_san" name="precursor_error_units"/>
    </param>
    <param argument="-fragment_mass_tolerance" type="float" optional="true" value="0.3" label="Fragment mass error in Dalton" help=""/>
    <param argument="-database" type="data" format="fasta" optional="false" label="NCBI formatted FASTA files" help="The .psq filename should be given, e.g. 'SwissProt.fasta.psq'. If the filename does not end in '.psq' (e.g., SwissProt.fasta) the psq suffix will be added automatically. Non-existing relative file-names are looked up via'OpenMS.ini:id_db_dir' select fasta data sets(s)"/>
    <param argument="-min_precursor_charge" type="integer" optional="true" value="1" label="Minimum precursor ion charge" help=""/>
    <param argument="-max_precursor_charge" type="integer" optional="true" value="3" label="Maximum precursor ion charge" help=""/>
    <param argument="-fixed_modifications" multiple="true" type="select" optional="true" label="Fixed modifications, specified using Unimod (www.unimod.org) terms" help="e.g. 'Carbamidomethyl (C)' or 'Oxidation (M)'">
      <option value="15N-oxobutanoic (N-term C)">15N-oxobutanoic (N-term C)</option>
      <option value="15N-oxobutanoic (Protein N-term S)">15N-oxobutanoic (Protein N-term S)</option>
      <option value="15N-oxobutanoic (Protein N-term T)">15N-oxobutanoic (Protein N-term T)</option>
      <option value="2-dimethylsuccinyl (C)">2-dimethylsuccinyl (C)</option>
      <option value="2-monomethylsuccinyl (C)">2-monomethylsuccinyl (C)</option>
      <option value="2-nitrobenzyl (Y)">2-nitrobenzyl (Y)</option>
      <option value="2-succinyl (C)">2-succinyl (C)</option>
      <option value="2HPG (R)">2HPG (R)</option>
      <option value="3-deoxyglucosone (R)">3-deoxyglucosone (R)</option>
      <option value="3-phosphoglyceryl (K)">3-phosphoglyceryl (K)</option>
      <option value="3sulfo (N-term)">3sulfo (N-term)</option>
      <option value="4-ONE (C)">4-ONE (C)</option>
      <option value="4-ONE (H)">4-ONE (H)</option>
      <option value="4-ONE (K)">4-ONE (K)</option>
      <option value="4-ONE+Delta:H(-2)O(-1) (C)">4-ONE+Delta:H(-2)O(-1) (C)</option>
      <option value="4-ONE+Delta:H(-2)O(-1) (H)">4-ONE+Delta:H(-2)O(-1) (H)</option>
      <option value="4-ONE+Delta:H(-2)O(-1) (K)">4-ONE+Delta:H(-2)O(-1) (K)</option>
      <option value="4AcAllylGal (C)">4AcAllylGal (C)</option>
      <option value="a-type-ion (C-term)">a-type-ion (C-term)</option>
      <option value="AccQTag (K)">AccQTag (K)</option>
      <option value="AccQTag (N-term)">AccQTag (N-term)</option>
      <option value="Acetyl (C)">Acetyl (C)</option>
      <option value="Acetyl (H)">Acetyl (H)</option>
      <option value="Acetyl (K)">Acetyl (K)</option>
      <option value="Acetyl (N-term)">Acetyl (N-term)</option>
      <option value="Acetyl (Protein N-term)">Acetyl (Protein N-term)</option>
      <option value="Acetyl (R)">Acetyl (R)</option>
      <option value="Acetyl (S)">Acetyl (S)</option>
      <option value="Acetyl (T)">Acetyl (T)</option>
      <option value="Acetyl (Y)">Acetyl (Y)</option>
      <option value="Acetyl:13C(2) (K)">Acetyl:13C(2) (K)</option>
      <option value="Acetyl:13C(2) (Protein N-term)">Acetyl:13C(2) (Protein N-term)</option>
      <option value="Acetyl:2H(3) (H)">Acetyl:2H(3) (H)</option>
      <option value="Acetyl:2H(3) (K)">Acetyl:2H(3) (K)</option>
      <option value="Acetyl:2H(3) (N-term)">Acetyl:2H(3) (N-term)</option>
      <option value="Acetyl:2H(3) (Protein N-term)">Acetyl:2H(3) (Protein N-term)</option>
      <option value="Acetyl:2H(3) (S)">Acetyl:2H(3) (S)</option>
      <option value="Acetyl:2H(3) (T)">Acetyl:2H(3) (T)</option>
      <option value="Acetyl:2H(3) (Y)">Acetyl:2H(3) (Y)</option>
      <option value="Acetyldeoxyhypusine (K)">Acetyldeoxyhypusine (K)</option>
      <option value="Acetylhypusine (K)">Acetylhypusine (K)</option>
      <option value="ADP-Ribosyl (C)">ADP-Ribosyl (C)</option>
      <option value="ADP-Ribosyl (D)">ADP-Ribosyl (D)</option>
      <option value="ADP-Ribosyl (E)">ADP-Ribosyl (E)</option>
      <option value="ADP-Ribosyl (K)">ADP-Ribosyl (K)</option>
      <option value="ADP-Ribosyl (N)">ADP-Ribosyl (N)</option>
      <option value="ADP-Ribosyl (R)">ADP-Ribosyl (R)</option>
      <option value="ADP-Ribosyl (S)">ADP-Ribosyl (S)</option>
      <option value="ADP-Ribosyl (T)">ADP-Ribosyl (T)</option>
      <option value="AEBS (H)">AEBS (H)</option>
      <option value="AEBS (K)">AEBS (K)</option>
      <option value="AEBS (Protein N-term)">AEBS (Protein N-term)</option>
      <option value="AEBS (S)">AEBS (S)</option>
      <option value="AEBS (Y)">AEBS (Y)</option>
      <option value="AEC-MAEC (S)">AEC-MAEC (S)</option>
      <option value="AEC-MAEC (T)">AEC-MAEC (T)</option>
      <option value="AEC-MAEC:2H(4) (S)">AEC-MAEC:2H(4) (S)</option>
      <option value="AEC-MAEC:2H(4) (T)">AEC-MAEC:2H(4) (T)</option>
      <option value="AFB1_Dialdehyde (K)">AFB1_Dialdehyde (K)</option>
      <option value="AHA-Alkyne (M)">AHA-Alkyne (M)</option>
      <option value="AHA-Alkyne-KDDDD (M)">AHA-Alkyne-KDDDD (M)</option>
      <option value="AHA-SS (M)">AHA-SS (M)</option>
      <option value="AHA-SS_CAM (M)">AHA-SS_CAM (M)</option>
      <option value="Ahx2+Hsl (C-term)">Ahx2+Hsl (C-term)</option>
      <option value="Ala-&gt;Arg (A)">Ala-&gt;Arg (A)</option>
      <option value="Ala-&gt;Asn (A)">Ala-&gt;Asn (A)</option>
      <option value="Ala-&gt;Asp (A)">Ala-&gt;Asp (A)</option>
      <option value="Ala-&gt;Cys (A)">Ala-&gt;Cys (A)</option>
      <option value="Ala-&gt;Gln (A)">Ala-&gt;Gln (A)</option>
      <option value="Ala-&gt;Glu (A)">Ala-&gt;Glu (A)</option>
      <option value="Ala-&gt;Gly (A)">Ala-&gt;Gly (A)</option>
      <option value="Ala-&gt;His (A)">Ala-&gt;His (A)</option>
      <option value="Ala-&gt;Lys (A)">Ala-&gt;Lys (A)</option>
      <option value="Ala-&gt;Met (A)">Ala-&gt;Met (A)</option>
      <option value="Ala-&gt;Phe (A)">Ala-&gt;Phe (A)</option>
      <option value="Ala-&gt;Pro (A)">Ala-&gt;Pro (A)</option>
      <option value="Ala-&gt;Ser (A)">Ala-&gt;Ser (A)</option>
      <option value="Ala-&gt;Thr (A)">Ala-&gt;Thr (A)</option>
      <option value="Ala-&gt;Trp (A)">Ala-&gt;Trp (A)</option>
      <option value="Ala-&gt;Tyr (A)">Ala-&gt;Tyr (A)</option>
      <option value="Ala-&gt;Val (A)">Ala-&gt;Val (A)</option>
      <option value="Ala-&gt;Xle (A)">Ala-&gt;Xle (A)</option>
      <option value="Amidated (C-term)">Amidated (C-term)</option>
      <option value="Amidated (Protein C-term)">Amidated (Protein C-term)</option>
      <option value="Amidine (K)">Amidine (K)</option>
      <option value="Amidine (N-term)">Amidine (N-term)</option>
      <option value="Amidino (C)">Amidino (C)</option>
      <option value="Amino (Y)">Amino (Y)</option>
      <option value="Ammonia-loss (N)">Ammonia-loss (N)</option>
      <option value="Ammonia-loss (N-term C)">Ammonia-loss (N-term C)</option>
      <option value="Ammonia-loss (Protein N-term S)">Ammonia-loss (Protein N-term S)</option>
      <option value="Ammonia-loss (Protein N-term T)">Ammonia-loss (Protein N-term T)</option>
      <option value="Ammonium (C-term)">Ammonium (C-term)</option>
      <option value="Ammonium (D)">Ammonium (D)</option>
      <option value="Ammonium (E)">Ammonium (E)</option>
      <option value="AMTzHexNAc2 (N)">AMTzHexNAc2 (N)</option>
      <option value="AMTzHexNAc2 (S)">AMTzHexNAc2 (S)</option>
      <option value="AMTzHexNAc2 (T)">AMTzHexNAc2 (T)</option>
      <option value="Archaeol (C)">Archaeol (C)</option>
      <option value="Arg (N-term)">Arg (N-term)</option>
      <option value="Arg-&gt;Ala (R)">Arg-&gt;Ala (R)</option>
      <option value="Arg-&gt;Asn (R)">Arg-&gt;Asn (R)</option>
      <option value="Arg-&gt;Asp (R)">Arg-&gt;Asp (R)</option>
      <option value="Arg-&gt;Cys (R)">Arg-&gt;Cys (R)</option>
      <option value="Arg-&gt;Gln (R)">Arg-&gt;Gln (R)</option>
      <option value="Arg-&gt;Glu (R)">Arg-&gt;Glu (R)</option>
      <option value="Arg-&gt;GluSA (R)">Arg-&gt;GluSA (R)</option>
      <option value="Arg-&gt;Gly (R)">Arg-&gt;Gly (R)</option>
      <option value="Arg-&gt;His (R)">Arg-&gt;His (R)</option>
      <option value="Arg-&gt;Lys (R)">Arg-&gt;Lys (R)</option>
      <option value="Arg-&gt;Met (R)">Arg-&gt;Met (R)</option>
      <option value="Arg-&gt;Npo (R)">Arg-&gt;Npo (R)</option>
      <option value="Arg-&gt;Orn (R)">Arg-&gt;Orn (R)</option>
      <option value="Arg-&gt;Phe (R)">Arg-&gt;Phe (R)</option>
      <option value="Arg-&gt;Pro (R)">Arg-&gt;Pro (R)</option>
      <option value="Arg-&gt;Ser (R)">Arg-&gt;Ser (R)</option>
      <option value="Arg-&gt;Thr (R)">Arg-&gt;Thr (R)</option>
      <option value="Arg-&gt;Trp (R)">Arg-&gt;Trp (R)</option>
      <option value="Arg-&gt;Tyr (R)">Arg-&gt;Tyr (R)</option>
      <option value="Arg-&gt;Val (R)">Arg-&gt;Val (R)</option>
      <option value="Arg-&gt;Xle (R)">Arg-&gt;Xle (R)</option>
      <option value="Arg-loss (C-term R)">Arg-loss (C-term R)</option>
      <option value="Arg2PG (R)">Arg2PG (R)</option>
      <option value="Argbiotinhydrazide (R)">Argbiotinhydrazide (R)</option>
      <option value="AROD (C)">AROD (C)</option>
      <option value="Asn-&gt;Ala (N)">Asn-&gt;Ala (N)</option>
      <option value="Asn-&gt;Arg (N)">Asn-&gt;Arg (N)</option>
      <option value="Asn-&gt;Asp (N)">Asn-&gt;Asp (N)</option>
      <option value="Asn-&gt;Cys (N)">Asn-&gt;Cys (N)</option>
      <option value="Asn-&gt;Gln (N)">Asn-&gt;Gln (N)</option>
      <option value="Asn-&gt;Glu (N)">Asn-&gt;Glu (N)</option>
      <option value="Asn-&gt;Gly (N)">Asn-&gt;Gly (N)</option>
      <option value="Asn-&gt;His (N)">Asn-&gt;His (N)</option>
      <option value="Asn-&gt;Lys (N)">Asn-&gt;Lys (N)</option>
      <option value="Asn-&gt;Met (N)">Asn-&gt;Met (N)</option>
      <option value="Asn-&gt;Phe (N)">Asn-&gt;Phe (N)</option>
      <option value="Asn-&gt;Pro (N)">Asn-&gt;Pro (N)</option>
      <option value="Asn-&gt;Ser (N)">Asn-&gt;Ser (N)</option>
      <option value="Asn-&gt;Thr (N)">Asn-&gt;Thr (N)</option>
      <option value="Asn-&gt;Trp (N)">Asn-&gt;Trp (N)</option>
      <option value="Asn-&gt;Tyr (N)">Asn-&gt;Tyr (N)</option>
      <option value="Asn-&gt;Val (N)">Asn-&gt;Val (N)</option>
      <option value="Asn-&gt;Xle (N)">Asn-&gt;Xle (N)</option>
      <option value="Asp-&gt;Ala (D)">Asp-&gt;Ala (D)</option>
      <option value="Asp-&gt;Arg (D)">Asp-&gt;Arg (D)</option>
      <option value="Asp-&gt;Asn (D)">Asp-&gt;Asn (D)</option>
      <option value="Asp-&gt;Cys (D)">Asp-&gt;Cys (D)</option>
      <option value="Asp-&gt;Gln (D)">Asp-&gt;Gln (D)</option>
      <option value="Asp-&gt;Glu (D)">Asp-&gt;Glu (D)</option>
      <option value="Asp-&gt;Gly (D)">Asp-&gt;Gly (D)</option>
      <option value="Asp-&gt;His (D)">Asp-&gt;His (D)</option>
      <option value="Asp-&gt;Lys (D)">Asp-&gt;Lys (D)</option>
      <option value="Asp-&gt;Met (D)">Asp-&gt;Met (D)</option>
      <option value="Asp-&gt;Phe (D)">Asp-&gt;Phe (D)</option>
      <option value="Asp-&gt;Pro (D)">Asp-&gt;Pro (D)</option>
      <option value="Asp-&gt;Ser (D)">Asp-&gt;Ser (D)</option>
      <option value="Asp-&gt;Thr (D)">Asp-&gt;Thr (D)</option>
      <option value="Asp-&gt;Trp (D)">Asp-&gt;Trp (D)</option>
      <option value="Asp-&gt;Tyr (D)">Asp-&gt;Tyr (D)</option>
      <option value="Asp-&gt;Val (D)">Asp-&gt;Val (D)</option>
      <option value="Asp-&gt;Xle (D)">Asp-&gt;Xle (D)</option>
      <option value="Aspartylurea (H)">Aspartylurea (H)</option>
      <option value="Atto495Maleimide (C)">Atto495Maleimide (C)</option>
      <option value="AzidoF (F)">AzidoF (F)</option>
      <option value="azole (C)">azole (C)</option>
      <option value="azole (S)">azole (S)</option>
      <option value="Bacillosamine (N)">Bacillosamine (N)</option>
      <option value="BADGE (C)">BADGE (C)</option>
      <option value="BDMAPP (H)">BDMAPP (H)</option>
      <option value="BDMAPP (K)">BDMAPP (K)</option>
      <option value="BDMAPP (Protein N-term)">BDMAPP (Protein N-term)</option>
      <option value="BDMAPP (W)">BDMAPP (W)</option>
      <option value="BDMAPP (Y)">BDMAPP (Y)</option>
      <option value="BEMAD_C (C)">BEMAD_C (C)</option>
      <option value="BEMAD_C:2H(6) (C)">BEMAD_C:2H(6) (C)</option>
      <option value="BEMAD_ST (S)">BEMAD_ST (S)</option>
      <option value="BEMAD_ST (T)">BEMAD_ST (T)</option>
      <option value="BEMAD_ST:2H(6) (S)">BEMAD_ST:2H(6) (S)</option>
      <option value="BEMAD_ST:2H(6) (T)">BEMAD_ST:2H(6) (T)</option>
      <option value="Benzoyl (K)">Benzoyl (K)</option>
      <option value="Benzoyl (N-term)">Benzoyl (N-term)</option>
      <option value="benzylguanidine (K)">benzylguanidine (K)</option>
      <option value="betaFNA (C)">betaFNA (C)</option>
      <option value="betaFNA (K)">betaFNA (K)</option>
      <option value="BHT (C)">BHT (C)</option>
      <option value="BHT (H)">BHT (H)</option>
      <option value="BHT (K)">BHT (K)</option>
      <option value="BHTOH (C)">BHTOH (C)</option>
      <option value="BHTOH (H)">BHTOH (H)</option>
      <option value="BHTOH (K)">BHTOH (K)</option>
      <option value="Biotin (K)">Biotin (K)</option>
      <option value="Biotin (N-term)">Biotin (N-term)</option>
      <option value="Biotin-HPDP (C)">Biotin-HPDP (C)</option>
      <option value="Biotin-PEG-PRA (M)">Biotin-PEG-PRA (M)</option>
      <option value="Biotin-PEO-Amine (D)">Biotin-PEO-Amine (D)</option>
      <option value="Biotin-PEO-Amine (E)">Biotin-PEO-Amine (E)</option>
      <option value="Biotin-PEO-Amine (Protein C-term)">Biotin-PEO-Amine (Protein C-term)</option>
      <option value="Biotin-phenacyl (C)">Biotin-phenacyl (C)</option>
      <option value="Biotin-phenacyl (H)">Biotin-phenacyl (H)</option>
      <option value="Biotin-phenacyl (S)">Biotin-phenacyl (S)</option>
      <option value="Biotin-tyramide (Y)">Biotin-tyramide (Y)</option>
      <option value="Biotin:Cayman-10013 (C)">Biotin:Cayman-10013 (C)</option>
      <option value="Biotin:Cayman-10141 (C)">Biotin:Cayman-10141 (C)</option>
      <option value="Biotin:Invitrogen-M1602 (C)">Biotin:Invitrogen-M1602 (C)</option>
      <option value="Biotin:Sigma-B1267 (C)">Biotin:Sigma-B1267 (C)</option>
      <option value="Biotin:Thermo-21325 (K)">Biotin:Thermo-21325 (K)</option>
      <option value="Biotin:Thermo-21328 (K)">Biotin:Thermo-21328 (K)</option>
      <option value="Biotin:Thermo-21328 (N-term)">Biotin:Thermo-21328 (N-term)</option>
      <option value="Biotin:Thermo-21330 (K)">Biotin:Thermo-21330 (K)</option>
      <option value="Biotin:Thermo-21330 (N-term)">Biotin:Thermo-21330 (N-term)</option>
      <option value="Biotin:Thermo-21345 (Q)">Biotin:Thermo-21345 (Q)</option>
      <option value="Biotin:Thermo-21360 (X)">Biotin:Thermo-21360 (X)</option>
      <option value="Biotin:Thermo-21901+2H2O (C)">Biotin:Thermo-21901+2H2O (C)</option>
      <option value="Biotin:Thermo-21901+H2O (C)">Biotin:Thermo-21901+H2O (C)</option>
      <option value="Biotin:Thermo-21911 (C)">Biotin:Thermo-21911 (C)</option>
      <option value="Biotin:Thermo-33033 (X)">Biotin:Thermo-33033 (X)</option>
      <option value="Biotin:Thermo-33033-H (X)">Biotin:Thermo-33033-H (X)</option>
      <option value="Biotin:Thermo-88310 (K)">Biotin:Thermo-88310 (K)</option>
      <option value="Biotin:Thermo-88317 (S)">Biotin:Thermo-88317 (S)</option>
      <option value="Biotin:Thermo-88317 (Y)">Biotin:Thermo-88317 (Y)</option>
      <option value="biotinAcrolein298 (C)">biotinAcrolein298 (C)</option>
      <option value="biotinAcrolein298 (H)">biotinAcrolein298 (H)</option>
      <option value="biotinAcrolein298 (K)">biotinAcrolein298 (K)</option>
      <option value="biotinAcrolein298 (Protein N-term)">biotinAcrolein298 (Protein N-term)</option>
      <option value="BisANS (K)">BisANS (K)</option>
      <option value="bisANS-sulfonates (K)">bisANS-sulfonates (K)</option>
      <option value="bisANS-sulfonates (S)">bisANS-sulfonates (S)</option>
      <option value="bisANS-sulfonates (T)">bisANS-sulfonates (T)</option>
      <option value="BITC (C)">BITC (C)</option>
      <option value="BITC (K)">BITC (K)</option>
      <option value="BITC (N-term)">BITC (N-term)</option>
      <option value="BMP-piperidinol (C)">BMP-piperidinol (C)</option>
      <option value="BMP-piperidinol (M)">BMP-piperidinol (M)</option>
      <option value="Bodipy (C)">Bodipy (C)</option>
      <option value="Brij35 (N-term)">Brij35 (N-term)</option>
      <option value="Brij58 (N-term)">Brij58 (N-term)</option>
      <option value="Bromo (F)">Bromo (F)</option>
      <option value="Bromo (H)">Bromo (H)</option>
      <option value="Bromo (W)">Bromo (W)</option>
      <option value="Bromo (Y)">Bromo (Y)</option>
      <option value="Bromobimane (C)">Bromobimane (C)</option>
      <option value="Butyryl (K)">Butyryl (K)</option>
      <option value="C8-QAT (K)">C8-QAT (K)</option>
      <option value="C8-QAT (N-term)">C8-QAT (N-term)</option>
      <option value="CAF (N-term)">CAF (N-term)</option>
      <option value="CAMthiopropanoyl (K)">CAMthiopropanoyl (K)</option>
      <option value="CAMthiopropanoyl (Protein N-term)">CAMthiopropanoyl (Protein N-term)</option>
      <option value="Can-FP-biotin (S)">Can-FP-biotin (S)</option>
      <option value="Can-FP-biotin (T)">Can-FP-biotin (T)</option>
      <option value="Can-FP-biotin (Y)">Can-FP-biotin (Y)</option>
      <option value="Carbamidomethyl (C)" selected="true">Carbamidomethyl (C)</option>
      <option value="Carbamidomethyl (D)">Carbamidomethyl (D)</option>
      <option value="Carbamidomethyl (E)">Carbamidomethyl (E)</option>
      <option value="Carbamidomethyl (H)">Carbamidomethyl (H)</option>
      <option value="Carbamidomethyl (K)">Carbamidomethyl (K)</option>
      <option value="Carbamidomethyl (M)">Carbamidomethyl (M)</option>
      <option value="Carbamidomethyl (N-term)">Carbamidomethyl (N-term)</option>
      <option value="Carbamidomethyl (S)">Carbamidomethyl (S)</option>
      <option value="Carbamidomethyl (T)">Carbamidomethyl (T)</option>
      <option value="Carbamidomethyl (U)">Carbamidomethyl (U)</option>
      <option value="Carbamidomethyl (Y)">Carbamidomethyl (Y)</option>
      <option value="CarbamidomethylDTT (C)">CarbamidomethylDTT (C)</option>
      <option value="Carbamyl (C)">Carbamyl (C)</option>
      <option value="Carbamyl (K)">Carbamyl (K)</option>
      <option value="Carbamyl (M)">Carbamyl (M)</option>
      <option value="Carbamyl (N-term)">Carbamyl (N-term)</option>
      <option value="Carbamyl (Protein N-term)">Carbamyl (Protein N-term)</option>
      <option value="Carbamyl (R)">Carbamyl (R)</option>
      <option value="Carbamyl (S)">Carbamyl (S)</option>
      <option value="Carbamyl (T)">Carbamyl (T)</option>
      <option value="Carbamyl (Y)">Carbamyl (Y)</option>
      <option value="Carbofuran (S)">Carbofuran (S)</option>
      <option value="Carbonyl (A)">Carbonyl (A)</option>
      <option value="Carbonyl (E)">Carbonyl (E)</option>
      <option value="Carbonyl (I)">Carbonyl (I)</option>
      <option value="Carbonyl (L)">Carbonyl (L)</option>
      <option value="Carbonyl (Q)">Carbonyl (Q)</option>
      <option value="Carbonyl (R)">Carbonyl (R)</option>
      <option value="Carbonyl (S)">Carbonyl (S)</option>
      <option value="Carbonyl (V)">Carbonyl (V)</option>
      <option value="Carboxy (D)">Carboxy (D)</option>
      <option value="Carboxy (E)">Carboxy (E)</option>
      <option value="Carboxy (K)">Carboxy (K)</option>
      <option value="Carboxy (Protein N-term M)">Carboxy (Protein N-term M)</option>
      <option value="Carboxy (W)">Carboxy (W)</option>
      <option value="Carboxy-&gt;Thiocarboxy (Protein C-term G)">Carboxy-&gt;Thiocarboxy (Protein C-term G)</option>
      <option value="Carboxyethyl (H)">Carboxyethyl (H)</option>
      <option value="Carboxyethyl (K)">Carboxyethyl (K)</option>
      <option value="Carboxyethylpyrrole (K)">Carboxyethylpyrrole (K)</option>
      <option value="Carboxymethyl (C)">Carboxymethyl (C)</option>
      <option value="Carboxymethyl (K)">Carboxymethyl (K)</option>
      <option value="Carboxymethyl (N-term)">Carboxymethyl (N-term)</option>
      <option value="Carboxymethyl (U)">Carboxymethyl (U)</option>
      <option value="Carboxymethyl (W)">Carboxymethyl (W)</option>
      <option value="Carboxymethyl:13C(2) (C)">Carboxymethyl:13C(2) (C)</option>
      <option value="CarboxymethylDMAP (N-term)">CarboxymethylDMAP (N-term)</option>
      <option value="CarboxymethylDTT (C)">CarboxymethylDTT (C)</option>
      <option value="Cation:Ag (C-term)">Cation:Ag (C-term)</option>
      <option value="Cation:Ag (D)">Cation:Ag (D)</option>
      <option value="Cation:Ag (E)">Cation:Ag (E)</option>
      <option value="Cation:Al[III] (C-term)">Cation:Al[III] (C-term)</option>
      <option value="Cation:Al[III] (D)">Cation:Al[III] (D)</option>
      <option value="Cation:Al[III] (E)">Cation:Al[III] (E)</option>
      <option value="Cation:Ca[II] (C-term)">Cation:Ca[II] (C-term)</option>
      <option value="Cation:Ca[II] (D)">Cation:Ca[II] (D)</option>
      <option value="Cation:Ca[II] (E)">Cation:Ca[II] (E)</option>
      <option value="Cation:Cu[I] (C-term)">Cation:Cu[I] (C-term)</option>
      <option value="Cation:Cu[I] (D)">Cation:Cu[I] (D)</option>
      <option value="Cation:Cu[I] (E)">Cation:Cu[I] (E)</option>
      <option value="Cation:Cu[I] (H)">Cation:Cu[I] (H)</option>
      <option value="Cation:Fe[II] (C-term)">Cation:Fe[II] (C-term)</option>
      <option value="Cation:Fe[II] (D)">Cation:Fe[II] (D)</option>
      <option value="Cation:Fe[II] (E)">Cation:Fe[II] (E)</option>
      <option value="Cation:Fe[III] (C-term)">Cation:Fe[III] (C-term)</option>
      <option value="Cation:Fe[III] (D)">Cation:Fe[III] (D)</option>
      <option value="Cation:Fe[III] (E)">Cation:Fe[III] (E)</option>
      <option value="Cation:K (C-term)">Cation:K (C-term)</option>
      <option value="Cation:K (D)">Cation:K (D)</option>
      <option value="Cation:K (E)">Cation:K (E)</option>
      <option value="Cation:Li (C-term)">Cation:Li (C-term)</option>
      <option value="Cation:Li (D)">Cation:Li (D)</option>
      <option value="Cation:Li (E)">Cation:Li (E)</option>
      <option value="Cation:Mg[II] (C-term)">Cation:Mg[II] (C-term)</option>
      <option value="Cation:Mg[II] (D)">Cation:Mg[II] (D)</option>
      <option value="Cation:Mg[II] (E)">Cation:Mg[II] (E)</option>
      <option value="Cation:Na (C-term)">Cation:Na (C-term)</option>
      <option value="Cation:Na (D)">Cation:Na (D)</option>
      <option value="Cation:Na (E)">Cation:Na (E)</option>
      <option value="Cation:Ni[II] (C-term)">Cation:Ni[II] (C-term)</option>
      <option value="Cation:Ni[II] (D)">Cation:Ni[II] (D)</option>
      <option value="Cation:Ni[II] (E)">Cation:Ni[II] (E)</option>
      <option value="Cation:Zn[II] (C-term)">Cation:Zn[II] (C-term)</option>
      <option value="Cation:Zn[II] (D)">Cation:Zn[II] (D)</option>
      <option value="Cation:Zn[II] (E)">Cation:Zn[II] (E)</option>
      <option value="Cation:Zn[II] (H)">Cation:Zn[II] (H)</option>
      <option value="cGMP (C)">cGMP (C)</option>
      <option value="cGMP (S)">cGMP (S)</option>
      <option value="cGMP+RMP-loss (C)">cGMP+RMP-loss (C)</option>
      <option value="cGMP+RMP-loss (S)">cGMP+RMP-loss (S)</option>
      <option value="CHDH (D)">CHDH (D)</option>
      <option value="Chlorination (W)">Chlorination (W)</option>
      <option value="Chlorination (Y)">Chlorination (Y)</option>
      <option value="Cholesterol (Protein C-term)">Cholesterol (Protein C-term)</option>
      <option value="CIGG (K)">CIGG (K)</option>
      <option value="CLIP_TRAQ_2 (K)">CLIP_TRAQ_2 (K)</option>
      <option value="CLIP_TRAQ_2 (N-term)">CLIP_TRAQ_2 (N-term)</option>
      <option value="CLIP_TRAQ_2 (Y)">CLIP_TRAQ_2 (Y)</option>
      <option value="CLIP_TRAQ_3 (K)">CLIP_TRAQ_3 (K)</option>
      <option value="CLIP_TRAQ_3 (N-term)">CLIP_TRAQ_3 (N-term)</option>
      <option value="CLIP_TRAQ_3 (Y)">CLIP_TRAQ_3 (Y)</option>
      <option value="CLIP_TRAQ_4 (K)">CLIP_TRAQ_4 (K)</option>
      <option value="CLIP_TRAQ_4 (N-term)">CLIP_TRAQ_4 (N-term)</option>
      <option value="CLIP_TRAQ_4 (Y)">CLIP_TRAQ_4 (Y)</option>
      <option value="CoenzymeA (C)">CoenzymeA (C)</option>
      <option value="Cresylphosphate (H)">Cresylphosphate (H)</option>
      <option value="Cresylphosphate (K)">Cresylphosphate (K)</option>
      <option value="Cresylphosphate (R)">Cresylphosphate (R)</option>
      <option value="Cresylphosphate (S)">Cresylphosphate (S)</option>
      <option value="Cresylphosphate (T)">Cresylphosphate (T)</option>
      <option value="Cresylphosphate (Y)">Cresylphosphate (Y)</option>
      <option value="CresylSaligeninPhosphate (H)">CresylSaligeninPhosphate (H)</option>
      <option value="CresylSaligeninPhosphate (K)">CresylSaligeninPhosphate (K)</option>
      <option value="CresylSaligeninPhosphate (R)">CresylSaligeninPhosphate (R)</option>
      <option value="CresylSaligeninPhosphate (S)">CresylSaligeninPhosphate (S)</option>
      <option value="CresylSaligeninPhosphate (T)">CresylSaligeninPhosphate (T)</option>
      <option value="CresylSaligeninPhosphate (Y)">CresylSaligeninPhosphate (Y)</option>
      <option value="Crotonaldehyde (C)">Crotonaldehyde (C)</option>
      <option value="Crotonaldehyde (H)">Crotonaldehyde (H)</option>
      <option value="Crotonaldehyde (K)">Crotonaldehyde (K)</option>
      <option value="Crotonyl (K)">Crotonyl (K)</option>
      <option value="CuSMo (C)">CuSMo (C)</option>
      <option value="CUSTOM0 (A)">CUSTOM0 (A)</option>
      <option value="CUSTOM0 (C)">CUSTOM0 (C)</option>
      <option value="CUSTOM0 (C-term)">CUSTOM0 (C-term)</option>
      <option value="CUSTOM0 (D)">CUSTOM0 (D)</option>
      <option value="CUSTOM0 (E)">CUSTOM0 (E)</option>
      <option value="CUSTOM0 (F)">CUSTOM0 (F)</option>
      <option value="CUSTOM0 (G)">CUSTOM0 (G)</option>
      <option value="CUSTOM0 (H)">CUSTOM0 (H)</option>
      <option value="CUSTOM0 (I)">CUSTOM0 (I)</option>
      <option value="CUSTOM0 (K)">CUSTOM0 (K)</option>
      <option value="CUSTOM0 (L)">CUSTOM0 (L)</option>
      <option value="CUSTOM0 (M)">CUSTOM0 (M)</option>
      <option value="CUSTOM0 (N)">CUSTOM0 (N)</option>
      <option value="CUSTOM0 (N-term)">CUSTOM0 (N-term)</option>
      <option value="CUSTOM0 (P)">CUSTOM0 (P)</option>
      <option value="CUSTOM0 (Q)">CUSTOM0 (Q)</option>
      <option value="CUSTOM0 (R)">CUSTOM0 (R)</option>
      <option value="CUSTOM0 (S)">CUSTOM0 (S)</option>
      <option value="CUSTOM0 (T)">CUSTOM0 (T)</option>
      <option value="CUSTOM0 (V)">CUSTOM0 (V)</option>
      <option value="CUSTOM0 (W)">CUSTOM0 (W)</option>
      <option value="CUSTOM0 (Y)">CUSTOM0 (Y)</option>
      <option value="CUSTOM1 (A)">CUSTOM1 (A)</option>
      <option value="CUSTOM1 (C)">CUSTOM1 (C)</option>
      <option value="CUSTOM1 (C-term)">CUSTOM1 (C-term)</option>
      <option value="CUSTOM1 (D)">CUSTOM1 (D)</option>
      <option value="CUSTOM1 (E)">CUSTOM1 (E)</option>
      <option value="CUSTOM1 (F)">CUSTOM1 (F)</option>
      <option value="CUSTOM1 (G)">CUSTOM1 (G)</option>
      <option value="CUSTOM1 (H)">CUSTOM1 (H)</option>
      <option value="CUSTOM1 (I)">CUSTOM1 (I)</option>
      <option value="CUSTOM1 (K)">CUSTOM1 (K)</option>
      <option value="CUSTOM1 (L)">CUSTOM1 (L)</option>
      <option value="CUSTOM1 (M)">CUSTOM1 (M)</option>
      <option value="CUSTOM1 (N)">CUSTOM1 (N)</option>
      <option value="CUSTOM1 (N-term)">CUSTOM1 (N-term)</option>
      <option value="CUSTOM1 (P)">CUSTOM1 (P)</option>
      <option value="CUSTOM1 (Q)">CUSTOM1 (Q)</option>
      <option value="CUSTOM1 (R)">CUSTOM1 (R)</option>
      <option value="CUSTOM1 (S)">CUSTOM1 (S)</option>
      <option value="CUSTOM1 (T)">CUSTOM1 (T)</option>
      <option value="CUSTOM1 (V)">CUSTOM1 (V)</option>
      <option value="CUSTOM1 (W)">CUSTOM1 (W)</option>
      <option value="CUSTOM1 (Y)">CUSTOM1 (Y)</option>
      <option value="CUSTOM2 (A)">CUSTOM2 (A)</option>
      <option value="CUSTOM2 (C)">CUSTOM2 (C)</option>
      <option value="CUSTOM2 (C-term)">CUSTOM2 (C-term)</option>
      <option value="CUSTOM2 (D)">CUSTOM2 (D)</option>
      <option value="CUSTOM2 (E)">CUSTOM2 (E)</option>
      <option value="CUSTOM2 (F)">CUSTOM2 (F)</option>
      <option value="CUSTOM2 (G)">CUSTOM2 (G)</option>
      <option value="CUSTOM2 (H)">CUSTOM2 (H)</option>
      <option value="CUSTOM2 (I)">CUSTOM2 (I)</option>
      <option value="CUSTOM2 (K)">CUSTOM2 (K)</option>
      <option value="CUSTOM2 (L)">CUSTOM2 (L)</option>
      <option value="CUSTOM2 (M)">CUSTOM2 (M)</option>
      <option value="CUSTOM2 (N)">CUSTOM2 (N)</option>
      <option value="CUSTOM2 (N-term)">CUSTOM2 (N-term)</option>
      <option value="CUSTOM2 (P)">CUSTOM2 (P)</option>
      <option value="CUSTOM2 (Q)">CUSTOM2 (Q)</option>
      <option value="CUSTOM2 (R)">CUSTOM2 (R)</option>
      <option value="CUSTOM2 (S)">CUSTOM2 (S)</option>
      <option value="CUSTOM2 (T)">CUSTOM2 (T)</option>
      <option value="CUSTOM2 (V)">CUSTOM2 (V)</option>
      <option value="CUSTOM2 (W)">CUSTOM2 (W)</option>
      <option value="CUSTOM2 (Y)">CUSTOM2 (Y)</option>
      <option value="CUSTOM3 (A)">CUSTOM3 (A)</option>
      <option value="CUSTOM3 (C)">CUSTOM3 (C)</option>
      <option value="CUSTOM3 (C-term)">CUSTOM3 (C-term)</option>
      <option value="CUSTOM3 (D)">CUSTOM3 (D)</option>
      <option value="CUSTOM3 (E)">CUSTOM3 (E)</option>
      <option value="CUSTOM3 (F)">CUSTOM3 (F)</option>
      <option value="CUSTOM3 (G)">CUSTOM3 (G)</option>
      <option value="CUSTOM3 (H)">CUSTOM3 (H)</option>
      <option value="CUSTOM3 (I)">CUSTOM3 (I)</option>
      <option value="CUSTOM3 (K)">CUSTOM3 (K)</option>
      <option value="CUSTOM3 (L)">CUSTOM3 (L)</option>
      <option value="CUSTOM3 (M)">CUSTOM3 (M)</option>
      <option value="CUSTOM3 (N)">CUSTOM3 (N)</option>
      <option value="CUSTOM3 (N-term)">CUSTOM3 (N-term)</option>
      <option value="CUSTOM3 (P)">CUSTOM3 (P)</option>
      <option value="CUSTOM3 (Q)">CUSTOM3 (Q)</option>
      <option value="CUSTOM3 (R)">CUSTOM3 (R)</option>
      <option value="CUSTOM3 (S)">CUSTOM3 (S)</option>
      <option value="CUSTOM3 (T)">CUSTOM3 (T)</option>
      <option value="CUSTOM3 (V)">CUSTOM3 (V)</option>
      <option value="CUSTOM3 (W)">CUSTOM3 (W)</option>
      <option value="CUSTOM3 (Y)">CUSTOM3 (Y)</option>
      <option value="CUSTOM4 (A)">CUSTOM4 (A)</option>
      <option value="CUSTOM4 (C)">CUSTOM4 (C)</option>
      <option value="CUSTOM4 (C-term)">CUSTOM4 (C-term)</option>
      <option value="CUSTOM4 (D)">CUSTOM4 (D)</option>
      <option value="CUSTOM4 (E)">CUSTOM4 (E)</option>
      <option value="CUSTOM4 (F)">CUSTOM4 (F)</option>
      <option value="CUSTOM4 (G)">CUSTOM4 (G)</option>
      <option value="CUSTOM4 (H)">CUSTOM4 (H)</option>
      <option value="CUSTOM4 (I)">CUSTOM4 (I)</option>
      <option value="CUSTOM4 (K)">CUSTOM4 (K)</option>
      <option value="CUSTOM4 (L)">CUSTOM4 (L)</option>
      <option value="CUSTOM4 (M)">CUSTOM4 (M)</option>
      <option value="CUSTOM4 (N)">CUSTOM4 (N)</option>
      <option value="CUSTOM4 (N-term)">CUSTOM4 (N-term)</option>
      <option value="CUSTOM4 (P)">CUSTOM4 (P)</option>
      <option value="CUSTOM4 (Q)">CUSTOM4 (Q)</option>
      <option value="CUSTOM4 (R)">CUSTOM4 (R)</option>
      <option value="CUSTOM4 (S)">CUSTOM4 (S)</option>
      <option value="CUSTOM4 (T)">CUSTOM4 (T)</option>
      <option value="CUSTOM4 (V)">CUSTOM4 (V)</option>
      <option value="CUSTOM4 (W)">CUSTOM4 (W)</option>
      <option value="CUSTOM4 (Y)">CUSTOM4 (Y)</option>
      <option value="CUSTOM5 (A)">CUSTOM5 (A)</option>
      <option value="CUSTOM5 (C)">CUSTOM5 (C)</option>
      <option value="CUSTOM5 (C-term)">CUSTOM5 (C-term)</option>
      <option value="CUSTOM5 (D)">CUSTOM5 (D)</option>
      <option value="CUSTOM5 (E)">CUSTOM5 (E)</option>
      <option value="CUSTOM5 (F)">CUSTOM5 (F)</option>
      <option value="CUSTOM5 (G)">CUSTOM5 (G)</option>
      <option value="CUSTOM5 (H)">CUSTOM5 (H)</option>
      <option value="CUSTOM5 (I)">CUSTOM5 (I)</option>
      <option value="CUSTOM5 (K)">CUSTOM5 (K)</option>
      <option value="CUSTOM5 (L)">CUSTOM5 (L)</option>
      <option value="CUSTOM5 (M)">CUSTOM5 (M)</option>
      <option value="CUSTOM5 (N)">CUSTOM5 (N)</option>
      <option value="CUSTOM5 (N-term)">CUSTOM5 (N-term)</option>
      <option value="CUSTOM5 (P)">CUSTOM5 (P)</option>
      <option value="CUSTOM5 (Q)">CUSTOM5 (Q)</option>
      <option value="CUSTOM5 (R)">CUSTOM5 (R)</option>
      <option value="CUSTOM5 (S)">CUSTOM5 (S)</option>
      <option value="CUSTOM5 (T)">CUSTOM5 (T)</option>
      <option value="CUSTOM5 (V)">CUSTOM5 (V)</option>
      <option value="CUSTOM5 (W)">CUSTOM5 (W)</option>
      <option value="CUSTOM5 (Y)">CUSTOM5 (Y)</option>
      <option value="CUSTOM6 (A)">CUSTOM6 (A)</option>
      <option value="CUSTOM6 (C)">CUSTOM6 (C)</option>
      <option value="CUSTOM6 (C-term)">CUSTOM6 (C-term)</option>
      <option value="CUSTOM6 (D)">CUSTOM6 (D)</option>
      <option value="CUSTOM6 (E)">CUSTOM6 (E)</option>
      <option value="CUSTOM6 (F)">CUSTOM6 (F)</option>
      <option value="CUSTOM6 (G)">CUSTOM6 (G)</option>
      <option value="CUSTOM6 (H)">CUSTOM6 (H)</option>
      <option value="CUSTOM6 (I)">CUSTOM6 (I)</option>
      <option value="CUSTOM6 (K)">CUSTOM6 (K)</option>
      <option value="CUSTOM6 (L)">CUSTOM6 (L)</option>
      <option value="CUSTOM6 (M)">CUSTOM6 (M)</option>
      <option value="CUSTOM6 (N)">CUSTOM6 (N)</option>
      <option value="CUSTOM6 (N-term)">CUSTOM6 (N-term)</option>
      <option value="CUSTOM6 (P)">CUSTOM6 (P)</option>
      <option value="CUSTOM6 (Q)">CUSTOM6 (Q)</option>
      <option value="CUSTOM6 (R)">CUSTOM6 (R)</option>
      <option value="CUSTOM6 (S)">CUSTOM6 (S)</option>
      <option value="CUSTOM6 (T)">CUSTOM6 (T)</option>
      <option value="CUSTOM6 (V)">CUSTOM6 (V)</option>
      <option value="CUSTOM6 (W)">CUSTOM6 (W)</option>
      <option value="CUSTOM6 (Y)">CUSTOM6 (Y)</option>
      <option value="CUSTOM7 (A)">CUSTOM7 (A)</option>
      <option value="CUSTOM7 (C)">CUSTOM7 (C)</option>
      <option value="CUSTOM7 (C-term)">CUSTOM7 (C-term)</option>
      <option value="CUSTOM7 (D)">CUSTOM7 (D)</option>
      <option value="CUSTOM7 (E)">CUSTOM7 (E)</option>
      <option value="CUSTOM7 (F)">CUSTOM7 (F)</option>
      <option value="CUSTOM7 (G)">CUSTOM7 (G)</option>
      <option value="CUSTOM7 (H)">CUSTOM7 (H)</option>
      <option value="CUSTOM7 (I)">CUSTOM7 (I)</option>
      <option value="CUSTOM7 (K)">CUSTOM7 (K)</option>
      <option value="CUSTOM7 (L)">CUSTOM7 (L)</option>
      <option value="CUSTOM7 (M)">CUSTOM7 (M)</option>
      <option value="CUSTOM7 (N)">CUSTOM7 (N)</option>
      <option value="CUSTOM7 (N-term)">CUSTOM7 (N-term)</option>
      <option value="CUSTOM7 (P)">CUSTOM7 (P)</option>
      <option value="CUSTOM7 (Q)">CUSTOM7 (Q)</option>
      <option value="CUSTOM7 (R)">CUSTOM7 (R)</option>
      <option value="CUSTOM7 (S)">CUSTOM7 (S)</option>
      <option value="CUSTOM7 (T)">CUSTOM7 (T)</option>
      <option value="CUSTOM7 (V)">CUSTOM7 (V)</option>
      <option value="CUSTOM7 (W)">CUSTOM7 (W)</option>
      <option value="CUSTOM7 (Y)">CUSTOM7 (Y)</option>
      <option value="CUSTOM8 (A)">CUSTOM8 (A)</option>
      <option value="CUSTOM8 (C)">CUSTOM8 (C)</option>
      <option value="CUSTOM8 (C-term)">CUSTOM8 (C-term)</option>
      <option value="CUSTOM8 (D)">CUSTOM8 (D)</option>
      <option value="CUSTOM8 (E)">CUSTOM8 (E)</option>
      <option value="CUSTOM8 (F)">CUSTOM8 (F)</option>
      <option value="CUSTOM8 (G)">CUSTOM8 (G)</option>
      <option value="CUSTOM8 (H)">CUSTOM8 (H)</option>
      <option value="CUSTOM8 (I)">CUSTOM8 (I)</option>
      <option value="CUSTOM8 (K)">CUSTOM8 (K)</option>
      <option value="CUSTOM8 (L)">CUSTOM8 (L)</option>
      <option value="CUSTOM8 (M)">CUSTOM8 (M)</option>
      <option value="CUSTOM8 (N)">CUSTOM8 (N)</option>
      <option value="CUSTOM8 (N-term)">CUSTOM8 (N-term)</option>
      <option value="CUSTOM8 (P)">CUSTOM8 (P)</option>
      <option value="CUSTOM8 (Q)">CUSTOM8 (Q)</option>
      <option value="CUSTOM8 (R)">CUSTOM8 (R)</option>
      <option value="CUSTOM8 (S)">CUSTOM8 (S)</option>
      <option value="CUSTOM8 (T)">CUSTOM8 (T)</option>
      <option value="CUSTOM8 (V)">CUSTOM8 (V)</option>
      <option value="CUSTOM8 (W)">CUSTOM8 (W)</option>
      <option value="CUSTOM8 (Y)">CUSTOM8 (Y)</option>
      <option value="CUSTOM9 (A)">CUSTOM9 (A)</option>
      <option value="CUSTOM9 (C)">CUSTOM9 (C)</option>
      <option value="CUSTOM9 (C-term)">CUSTOM9 (C-term)</option>
      <option value="CUSTOM9 (D)">CUSTOM9 (D)</option>
      <option value="CUSTOM9 (E)">CUSTOM9 (E)</option>
      <option value="CUSTOM9 (F)">CUSTOM9 (F)</option>
      <option value="CUSTOM9 (G)">CUSTOM9 (G)</option>
      <option value="CUSTOM9 (H)">CUSTOM9 (H)</option>
      <option value="CUSTOM9 (I)">CUSTOM9 (I)</option>
      <option value="CUSTOM9 (K)">CUSTOM9 (K)</option>
      <option value="CUSTOM9 (L)">CUSTOM9 (L)</option>
      <option value="CUSTOM9 (M)">CUSTOM9 (M)</option>
      <option value="CUSTOM9 (N)">CUSTOM9 (N)</option>
      <option value="CUSTOM9 (N-term)">CUSTOM9 (N-term)</option>
      <option value="CUSTOM9 (P)">CUSTOM9 (P)</option>
      <option value="CUSTOM9 (Q)">CUSTOM9 (Q)</option>
      <option value="CUSTOM9 (R)">CUSTOM9 (R)</option>
      <option value="CUSTOM9 (S)">CUSTOM9 (S)</option>
      <option value="CUSTOM9 (T)">CUSTOM9 (T)</option>
      <option value="CUSTOM9 (V)">CUSTOM9 (V)</option>
      <option value="CUSTOM9 (W)">CUSTOM9 (W)</option>
      <option value="CUSTOM9 (Y)">CUSTOM9 (Y)</option>
      <option value="Cy3-maleimide (C)">Cy3-maleimide (C)</option>
      <option value="Cy3b-maleimide (C)">Cy3b-maleimide (C)</option>
      <option value="Cyano (C)">Cyano (C)</option>
      <option value="CyDye-Cy3 (C)">CyDye-Cy3 (C)</option>
      <option value="CyDye-Cy5 (C)">CyDye-Cy5 (C)</option>
      <option value="Cys-&gt;Ala (C)">Cys-&gt;Ala (C)</option>
      <option value="Cys-&gt;Arg (C)">Cys-&gt;Arg (C)</option>
      <option value="Cys-&gt;Asn (C)">Cys-&gt;Asn (C)</option>
      <option value="Cys-&gt;Asp (C)">Cys-&gt;Asp (C)</option>
      <option value="Cys-&gt;CamSec (C)">Cys-&gt;CamSec (C)</option>
      <option value="Cys-&gt;Dha (C)">Cys-&gt;Dha (C)</option>
      <option value="Cys-&gt;ethylaminoAla (C)">Cys-&gt;ethylaminoAla (C)</option>
      <option value="Cys-&gt;Gln (C)">Cys-&gt;Gln (C)</option>
      <option value="Cys-&gt;Glu (C)">Cys-&gt;Glu (C)</option>
      <option value="Cys-&gt;Gly (C)">Cys-&gt;Gly (C)</option>
      <option value="Cys-&gt;His (C)">Cys-&gt;His (C)</option>
      <option value="Cys-&gt;Lys (C)">Cys-&gt;Lys (C)</option>
      <option value="Cys-&gt;Met (C)">Cys-&gt;Met (C)</option>
      <option value="Cys-&gt;methylaminoAla (C)">Cys-&gt;methylaminoAla (C)</option>
      <option value="Cys-&gt;Oxoalanine (C)">Cys-&gt;Oxoalanine (C)</option>
      <option value="Cys-&gt;Phe (C)">Cys-&gt;Phe (C)</option>
      <option value="Cys-&gt;Pro (C)">Cys-&gt;Pro (C)</option>
      <option value="Cys-&gt;PyruvicAcid (Protein N-term C)">Cys-&gt;PyruvicAcid (Protein N-term C)</option>
      <option value="Cys-&gt;SecNEM (C)">Cys-&gt;SecNEM (C)</option>
      <option value="Cys-&gt;SecNEM:2H(5) (C)">Cys-&gt;SecNEM:2H(5) (C)</option>
      <option value="Cys-&gt;Ser (C)">Cys-&gt;Ser (C)</option>
      <option value="Cys-&gt;Thr (C)">Cys-&gt;Thr (C)</option>
      <option value="Cys-&gt;Trp (C)">Cys-&gt;Trp (C)</option>
      <option value="Cys-&gt;Tyr (C)">Cys-&gt;Tyr (C)</option>
      <option value="Cys-&gt;Val (C)">Cys-&gt;Val (C)</option>
      <option value="Cys-&gt;Xle (C)">Cys-&gt;Xle (C)</option>
      <option value="Cysteinyl (C)">Cysteinyl (C)</option>
      <option value="cysTMT (C)">cysTMT (C)</option>
      <option value="cysTMT6plex (C)">cysTMT6plex (C)</option>
      <option value="Cytopiloyne (C)">Cytopiloyne (C)</option>
      <option value="Cytopiloyne (K)">Cytopiloyne (K)</option>
      <option value="Cytopiloyne (N-term)">Cytopiloyne (N-term)</option>
      <option value="Cytopiloyne (P)">Cytopiloyne (P)</option>
      <option value="Cytopiloyne (R)">Cytopiloyne (R)</option>
      <option value="Cytopiloyne (S)">Cytopiloyne (S)</option>
      <option value="Cytopiloyne (Y)">Cytopiloyne (Y)</option>
      <option value="Cytopiloyne+water (C)">Cytopiloyne+water (C)</option>
      <option value="Cytopiloyne+water (K)">Cytopiloyne+water (K)</option>
      <option value="Cytopiloyne+water (N-term)">Cytopiloyne+water (N-term)</option>
      <option value="Cytopiloyne+water (R)">Cytopiloyne+water (R)</option>
      <option value="Cytopiloyne+water (S)">Cytopiloyne+water (S)</option>
      <option value="Cytopiloyne+water (T)">Cytopiloyne+water (T)</option>
      <option value="Cytopiloyne+water (Y)">Cytopiloyne+water (Y)</option>
      <option value="DAET (S)">DAET (S)</option>
      <option value="DAET (T)">DAET (T)</option>
      <option value="Dansyl (K)">Dansyl (K)</option>
      <option value="Dansyl (N-term)">Dansyl (N-term)</option>
      <option value="Dap-DSP (A)">Dap-DSP (A)</option>
      <option value="Dap-DSP (E)">Dap-DSP (E)</option>
      <option value="Dap-DSP (K)">Dap-DSP (K)</option>
      <option value="Deamidated (N)">Deamidated (N)</option>
      <option value="Deamidated (Protein N-term F)">Deamidated (Protein N-term F)</option>
      <option value="Deamidated (Q)">Deamidated (Q)</option>
      <option value="Deamidated (R)">Deamidated (R)</option>
      <option value="Deamidated:18O(1) (N)">Deamidated:18O(1) (N)</option>
      <option value="Deamidated:18O(1) (Q)">Deamidated:18O(1) (Q)</option>
      <option value="Decanoyl (S)">Decanoyl (S)</option>
      <option value="Decanoyl (T)">Decanoyl (T)</option>
      <option value="Decarboxylation (D)">Decarboxylation (D)</option>
      <option value="Decarboxylation (E)">Decarboxylation (E)</option>
      <option value="DEDGFLYMVYASQETFG (K)">DEDGFLYMVYASQETFG (K)</option>
      <option value="Dehydrated (D)">Dehydrated (D)</option>
      <option value="Dehydrated (N-term C)">Dehydrated (N-term C)</option>
      <option value="Dehydrated (Protein C-term N)">Dehydrated (Protein C-term N)</option>
      <option value="Dehydrated (Protein C-term Q)">Dehydrated (Protein C-term Q)</option>
      <option value="Dehydrated (S)">Dehydrated (S)</option>
      <option value="Dehydrated (T)">Dehydrated (T)</option>
      <option value="Dehydrated (Y)">Dehydrated (Y)</option>
      <option value="Dehydro (C)">Dehydro (C)</option>
      <option value="Delta:H(-4)O(2) (W)">Delta:H(-4)O(2) (W)</option>
      <option value="Delta:H(-4)O(3) (W)">Delta:H(-4)O(3) (W)</option>
      <option value="Delta:H(1)N(-1)18O(1) (N)">Delta:H(1)N(-1)18O(1) (N)</option>
      <option value="Delta:H(10)C(8)O(1) (K)">Delta:H(10)C(8)O(1) (K)</option>
      <option value="Delta:H(2)C(2) (H)">Delta:H(2)C(2) (H)</option>
      <option value="Delta:H(2)C(2) (K)">Delta:H(2)C(2) (K)</option>
      <option value="Delta:H(2)C(2) (N-term)">Delta:H(2)C(2) (N-term)</option>
      <option value="Delta:H(2)C(2) (Protein N-term)">Delta:H(2)C(2) (Protein N-term)</option>
      <option value="Delta:H(2)C(3) (K)">Delta:H(2)C(3) (K)</option>
      <option value="Delta:H(2)C(3)O(1) (K)">Delta:H(2)C(3)O(1) (K)</option>
      <option value="Delta:H(2)C(3)O(1) (R)">Delta:H(2)C(3)O(1) (R)</option>
      <option value="Delta:H(2)C(5) (K)">Delta:H(2)C(5) (K)</option>
      <option value="Delta:H(3)C(3)O(2) (K)">Delta:H(3)C(3)O(2) (K)</option>
      <option value="Delta:H(4)C(2) (H)">Delta:H(4)C(2) (H)</option>
      <option value="Delta:H(4)C(2) (K)">Delta:H(4)C(2) (K)</option>
      <option value="Delta:H(4)C(2) (N-term)">Delta:H(4)C(2) (N-term)</option>
      <option value="Delta:H(4)C(2)O(-1)S(1) (S)">Delta:H(4)C(2)O(-1)S(1) (S)</option>
      <option value="Delta:H(4)C(3) (H)">Delta:H(4)C(3) (H)</option>
      <option value="Delta:H(4)C(3) (K)">Delta:H(4)C(3) (K)</option>
      <option value="Delta:H(4)C(3) (Protein N-term)">Delta:H(4)C(3) (Protein N-term)</option>
      <option value="Delta:H(4)C(3)O(1) (C)">Delta:H(4)C(3)O(1) (C)</option>
      <option value="Delta:H(4)C(3)O(1) (H)">Delta:H(4)C(3)O(1) (H)</option>
      <option value="Delta:H(4)C(3)O(1) (K)">Delta:H(4)C(3)O(1) (K)</option>
      <option value="Delta:H(4)C(3)O(1) (R)">Delta:H(4)C(3)O(1) (R)</option>
      <option value="Delta:H(4)C(5)O(1) (R)">Delta:H(4)C(5)O(1) (R)</option>
      <option value="Delta:H(4)C(6) (K)">Delta:H(4)C(6) (K)</option>
      <option value="Delta:H(5)C(2) (P)">Delta:H(5)C(2) (P)</option>
      <option value="Delta:H(6)C(3)O(1) (C)">Delta:H(6)C(3)O(1) (C)</option>
      <option value="Delta:H(6)C(3)O(1) (H)">Delta:H(6)C(3)O(1) (H)</option>
      <option value="Delta:H(6)C(3)O(1) (K)">Delta:H(6)C(3)O(1) (K)</option>
      <option value="Delta:H(6)C(3)O(1) (Protein N-term)">Delta:H(6)C(3)O(1) (Protein N-term)</option>
      <option value="Delta:H(6)C(6)O(1) (K)">Delta:H(6)C(6)O(1) (K)</option>
      <option value="Delta:H(6)C(7)O(4) (R)">Delta:H(6)C(7)O(4) (R)</option>
      <option value="Delta:H(8)C(6)O(1) (K)">Delta:H(8)C(6)O(1) (K)</option>
      <option value="Delta:H(8)C(6)O(1) (Protein N-term)">Delta:H(8)C(6)O(1) (Protein N-term)</option>
      <option value="Delta:H(8)C(6)O(2) (K)">Delta:H(8)C(6)O(2) (K)</option>
      <option value="Delta:Hg(1) (C)">Delta:Hg(1) (C)</option>
      <option value="Delta:O(4) (W)">Delta:O(4) (W)</option>
      <option value="Delta:S(-1)Se(1) (C)">Delta:S(-1)Se(1) (C)</option>
      <option value="Delta:S(-1)Se(1) (M)">Delta:S(-1)Se(1) (M)</option>
      <option value="Delta:Se(1) (C)">Delta:Se(1) (C)</option>
      <option value="Deoxy (D)">Deoxy (D)</option>
      <option value="Deoxy (S)">Deoxy (S)</option>
      <option value="Deoxy (T)">Deoxy (T)</option>
      <option value="Deoxyhypusine (K)">Deoxyhypusine (K)</option>
      <option value="Deoxyhypusine (Q)">Deoxyhypusine (Q)</option>
      <option value="DeStreak (C)">DeStreak (C)</option>
      <option value="Dethiomethyl (M)">Dethiomethyl (M)</option>
      <option value="dHex (N)">dHex (N)</option>
      <option value="dHex (S)">dHex (S)</option>
      <option value="dHex (T)">dHex (T)</option>
      <option value="dHex(1)Hex(1) (S)">dHex(1)Hex(1) (S)</option>
      <option value="dHex(1)Hex(1) (T)">dHex(1)Hex(1) (T)</option>
      <option value="dHex(1)Hex(1)HexA(1)HexNAc(3) (S)">dHex(1)Hex(1)HexA(1)HexNAc(3) (S)</option>
      <option value="dHex(1)Hex(1)HexA(1)HexNAc(3) (T)">dHex(1)Hex(1)HexA(1)HexNAc(3) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(1)Kdn(1) (S)">dHex(1)Hex(1)HexNAc(1)Kdn(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(1)Kdn(1) (T)">dHex(1)Hex(1)HexNAc(1)Kdn(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(1)NeuAc(1) (S)">dHex(1)Hex(1)HexNAc(1)NeuAc(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(1)NeuAc(1) (T)">dHex(1)Hex(1)HexNAc(1)NeuAc(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(1)NeuGc(1) (S)">dHex(1)Hex(1)HexNAc(1)NeuGc(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(1)NeuGc(1) (T)">dHex(1)Hex(1)HexNAc(1)NeuGc(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(2)Kdn(1) (S)">dHex(1)Hex(1)HexNAc(2)Kdn(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(2)Kdn(1) (T)">dHex(1)Hex(1)HexNAc(2)Kdn(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(2)NeuAc(1) (S)">dHex(1)Hex(1)HexNAc(2)NeuAc(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(2)NeuAc(1) (T)">dHex(1)Hex(1)HexNAc(2)NeuAc(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(2)NeuAc(1)Sulf(1) (S)">dHex(1)Hex(1)HexNAc(2)NeuAc(1)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(2)NeuAc(1)Sulf(1) (T)">dHex(1)Hex(1)HexNAc(2)NeuAc(1)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(2)NeuAc(2) (S)">dHex(1)Hex(1)HexNAc(2)NeuAc(2) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(2)NeuAc(2) (T)">dHex(1)Hex(1)HexNAc(2)NeuAc(2) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(2)Sulf(1) (S)">dHex(1)Hex(1)HexNAc(2)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(2)Sulf(1) (T)">dHex(1)Hex(1)HexNAc(2)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(3) (S)">dHex(1)Hex(1)HexNAc(3) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(3) (T)">dHex(1)Hex(1)HexNAc(3) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(3)NeuAc(1) (S)">dHex(1)Hex(1)HexNAc(3)NeuAc(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(3)NeuAc(1) (T)">dHex(1)Hex(1)HexNAc(3)NeuAc(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(3)NeuAc(1)Sulf(1) (S)">dHex(1)Hex(1)HexNAc(3)NeuAc(1)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(3)NeuAc(1)Sulf(1) (T)">dHex(1)Hex(1)HexNAc(3)NeuAc(1)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(3)NeuGc(1) (S)">dHex(1)Hex(1)HexNAc(3)NeuGc(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(3)NeuGc(1) (T)">dHex(1)Hex(1)HexNAc(3)NeuGc(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(3)Sulf(1) (S)">dHex(1)Hex(1)HexNAc(3)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(3)Sulf(1) (T)">dHex(1)Hex(1)HexNAc(3)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(4) (S)">dHex(1)Hex(1)HexNAc(4) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(4) (T)">dHex(1)Hex(1)HexNAc(4) (T)</option>
      <option value="dHex(1)Hex(2) (S)">dHex(1)Hex(2) (S)</option>
      <option value="dHex(1)Hex(2) (T)">dHex(1)Hex(2) (T)</option>
      <option value="dHex(1)Hex(2)HexA(1) (S)">dHex(1)Hex(2)HexA(1) (S)</option>
      <option value="dHex(1)Hex(2)HexA(1) (T)">dHex(1)Hex(2)HexA(1) (T)</option>
      <option value="dHex(1)Hex(2)HexA(1)HexNAc(1) (S)">dHex(1)Hex(2)HexA(1)HexNAc(1) (S)</option>
      <option value="dHex(1)Hex(2)HexA(1)HexNAc(1) (T)">dHex(1)Hex(2)HexA(1)HexNAc(1) (T)</option>
      <option value="dHex(1)Hex(2)HexA(1)HexNAc(1)Sulf(1) (S)">dHex(1)Hex(2)HexA(1)HexNAc(1)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(2)HexA(1)HexNAc(1)Sulf(1) (T)">dHex(1)Hex(2)HexA(1)HexNAc(1)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(2)HexA(1)HexNAc(2) (S)">dHex(1)Hex(2)HexA(1)HexNAc(2) (S)</option>
      <option value="dHex(1)Hex(2)HexA(1)HexNAc(2) (T)">dHex(1)Hex(2)HexA(1)HexNAc(2) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(1) (S)">dHex(1)Hex(2)HexNAc(1) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(1) (T)">dHex(1)Hex(2)HexNAc(1) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(1)NeuAc(2) (S)">dHex(1)Hex(2)HexNAc(1)NeuAc(2) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(1)NeuAc(2) (T)">dHex(1)Hex(2)HexNAc(1)NeuAc(2) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(1)Sulf(1) (S)">dHex(1)Hex(2)HexNAc(1)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(1)Sulf(1) (T)">dHex(1)Hex(2)HexNAc(1)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (S)">dHex(1)Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (T)">dHex(1)Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuAc(2) (S)">dHex(1)Hex(2)HexNAc(2)NeuAc(2) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuAc(2) (T)">dHex(1)Hex(2)HexNAc(2)NeuAc(2) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuAc(2)Sulf(1) (S)">dHex(1)Hex(2)HexNAc(2)NeuAc(2)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuAc(2)Sulf(1) (T)">dHex(1)Hex(2)HexNAc(2)NeuAc(2)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuGc(1) (N)">dHex(1)Hex(2)HexNAc(2)NeuGc(1) (N)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuGc(1) (S)">dHex(1)Hex(2)HexNAc(2)NeuGc(1) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuGc(1) (T)">dHex(1)Hex(2)HexNAc(2)NeuGc(1) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuGc(2) (S)">dHex(1)Hex(2)HexNAc(2)NeuGc(2) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuGc(2) (T)">dHex(1)Hex(2)HexNAc(2)NeuGc(2) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuGc(3) (S)">dHex(1)Hex(2)HexNAc(2)NeuGc(3) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuGc(3) (T)">dHex(1)Hex(2)HexNAc(2)NeuGc(3) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)Pent(1) (N)">dHex(1)Hex(2)HexNAc(2)Pent(1) (N)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)Sulf(1) (S)">dHex(1)Hex(2)HexNAc(2)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)Sulf(1) (T)">dHex(1)Hex(2)HexNAc(2)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(3) (N)">dHex(1)Hex(2)HexNAc(3) (N)</option>
      <option value="dHex(1)Hex(2)HexNAc(3) (S)">dHex(1)Hex(2)HexNAc(3) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(3) (T)">dHex(1)Hex(2)HexNAc(3) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(3)NeuAc(1) (S)">dHex(1)Hex(2)HexNAc(3)NeuAc(1) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(3)NeuAc(1) (T)">dHex(1)Hex(2)HexNAc(3)NeuAc(1) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(3)NeuAc(1)Sulf(1) (S)">dHex(1)Hex(2)HexNAc(3)NeuAc(1)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(3)NeuAc(1)Sulf(1) (T)">dHex(1)Hex(2)HexNAc(3)NeuAc(1)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(3)Sulf(1) (S)">dHex(1)Hex(2)HexNAc(3)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(3)Sulf(1) (T)">dHex(1)Hex(2)HexNAc(3)Sulf(1) (T)</option>
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      <option value="dHex(1)Hex(4)HexNAc(4)NeuAc(1) (T)">dHex(1)Hex(4)HexNAc(4)NeuAc(1) (T)</option>
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      <option value="dHex(1)Hex(5)HexNAc(3)NeuGc(1)Sulf(1) (N)">dHex(1)Hex(5)HexNAc(3)NeuGc(1)Sulf(1) (N)</option>
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      <option value="dHex(1)Hex(5)HexNAc(4)Me(2)Pent(1) (N)">dHex(1)Hex(5)HexNAc(4)Me(2)Pent(1) (N)</option>
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      <option value="dHex(2)Hex(1)HexNAc(2)NeuAc(1) (T)">dHex(2)Hex(1)HexNAc(2)NeuAc(1) (T)</option>
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      <option value="dHex(2)Hex(1)HexNAc(2)NeuGc(1) (T)">dHex(2)Hex(1)HexNAc(2)NeuGc(1) (T)</option>
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      <option value="dHex(2)Hex(2)HexA(1)HexNAc(2)Sulf(1) (S)">dHex(2)Hex(2)HexA(1)HexNAc(2)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(2)HexA(1)HexNAc(2)Sulf(1) (T)">dHex(2)Hex(2)HexA(1)HexNAc(2)Sulf(1) (T)</option>
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      <option value="dHex(2)Hex(2)HexNAc(1) (T)">dHex(2)Hex(2)HexNAc(1) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(2) (N)">dHex(2)Hex(2)HexNAc(2) (N)</option>
      <option value="dHex(2)Hex(2)HexNAc(2) (S)">dHex(2)Hex(2)HexNAc(2) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(2) (T)">dHex(2)Hex(2)HexNAc(2) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)Kdn(1) (S)">dHex(2)Hex(2)HexNAc(2)Kdn(1) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)Kdn(1) (T)">dHex(2)Hex(2)HexNAc(2)Kdn(1) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)NeuAc(1) (S)">dHex(2)Hex(2)HexNAc(2)NeuAc(1) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)NeuAc(1) (T)">dHex(2)Hex(2)HexNAc(2)NeuAc(1) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (S)">dHex(2)Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (T)">dHex(2)Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)NeuGc(1) (S)">dHex(2)Hex(2)HexNAc(2)NeuGc(1) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)NeuGc(1) (T)">dHex(2)Hex(2)HexNAc(2)NeuGc(1) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)Sulf(1) (S)">dHex(2)Hex(2)HexNAc(2)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)Sulf(1) (T)">dHex(2)Hex(2)HexNAc(2)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)Sulf(2) (S)">dHex(2)Hex(2)HexNAc(2)Sulf(2) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)Sulf(2) (T)">dHex(2)Hex(2)HexNAc(2)Sulf(2) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(3) (N)">dHex(2)Hex(2)HexNAc(3) (N)</option>
      <option value="dHex(2)Hex(2)HexNAc(3) (S)">dHex(2)Hex(2)HexNAc(3) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(3) (T)">dHex(2)Hex(2)HexNAc(3) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(3)NeuAc(1) (S)">dHex(2)Hex(2)HexNAc(3)NeuAc(1) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(3)NeuAc(1) (T)">dHex(2)Hex(2)HexNAc(3)NeuAc(1) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(3)NeuGc(1) (S)">dHex(2)Hex(2)HexNAc(3)NeuGc(1) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(3)NeuGc(1) (T)">dHex(2)Hex(2)HexNAc(3)NeuGc(1) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(3)Sulf(1) (S)">dHex(2)Hex(2)HexNAc(3)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(3)Sulf(1) (T)">dHex(2)Hex(2)HexNAc(3)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(4) (S)">dHex(2)Hex(2)HexNAc(4) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(4) (T)">dHex(2)Hex(2)HexNAc(4) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(4)Sulf(2) (S)">dHex(2)Hex(2)HexNAc(4)Sulf(2) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(4)Sulf(2) (T)">dHex(2)Hex(2)HexNAc(4)Sulf(2) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(5) (S)">dHex(2)Hex(2)HexNAc(5) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(5) (T)">dHex(2)Hex(2)HexNAc(5) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(6)Sulf(1) (S)">dHex(2)Hex(2)HexNAc(6)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(6)Sulf(1) (T)">dHex(2)Hex(2)HexNAc(6)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(3) (S)">dHex(2)Hex(3) (S)</option>
      <option value="dHex(2)Hex(3) (T)">dHex(2)Hex(3) (T)</option>
      <option value="dHex(2)Hex(3)HexA(1)HexNAc(1)Sulf(1) (S)">dHex(2)Hex(3)HexA(1)HexNAc(1)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(3)HexA(1)HexNAc(1)Sulf(1) (T)">dHex(2)Hex(3)HexA(1)HexNAc(1)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(3)HexA(1)HexNAc(2)Sulf(1) (S)">dHex(2)Hex(3)HexA(1)HexNAc(2)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(3)HexA(1)HexNAc(2)Sulf(1) (T)">dHex(2)Hex(3)HexA(1)HexNAc(2)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(3)HexA(1)HexNAc(3)Sulf(1) (S)">dHex(2)Hex(3)HexA(1)HexNAc(3)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(3)HexA(1)HexNAc(3)Sulf(1) (T)">dHex(2)Hex(3)HexA(1)HexNAc(3)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(1)Sulf(1) (S)">dHex(2)Hex(3)HexNAc(1)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(3)HexNAc(1)Sulf(1) (T)">dHex(2)Hex(3)HexNAc(1)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(2) (N)">dHex(2)Hex(3)HexNAc(2) (N)</option>
      <option value="dHex(2)Hex(3)HexNAc(2) (S)">dHex(2)Hex(3)HexNAc(2) (S)</option>
      <option value="dHex(2)Hex(3)HexNAc(2) (T)">dHex(2)Hex(3)HexNAc(2) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(2)NeuGc(1) (S)">dHex(2)Hex(3)HexNAc(2)NeuGc(1) (S)</option>
      <option value="dHex(2)Hex(3)HexNAc(2)NeuGc(1) (T)">dHex(2)Hex(3)HexNAc(2)NeuGc(1) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(2)Sulf(1) (S)">dHex(2)Hex(3)HexNAc(2)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(3)HexNAc(2)Sulf(1) (T)">dHex(2)Hex(3)HexNAc(2)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(3) (N)">dHex(2)Hex(3)HexNAc(3) (N)</option>
      <option value="dHex(2)Hex(3)HexNAc(3) (S)">dHex(2)Hex(3)HexNAc(3) (S)</option>
      <option value="dHex(2)Hex(3)HexNAc(3) (T)">dHex(2)Hex(3)HexNAc(3) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(3)NeuAc(1) (S)">dHex(2)Hex(3)HexNAc(3)NeuAc(1) (S)</option>
      <option value="dHex(2)Hex(3)HexNAc(3)NeuAc(1) (T)">dHex(2)Hex(3)HexNAc(3)NeuAc(1) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(3)NeuAc(2) (S)">dHex(2)Hex(3)HexNAc(3)NeuAc(2) (S)</option>
      <option value="dHex(2)Hex(3)HexNAc(3)NeuAc(2) (T)">dHex(2)Hex(3)HexNAc(3)NeuAc(2) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(3)Pent(1) (N)">dHex(2)Hex(3)HexNAc(3)Pent(1) (N)</option>
      <option value="dHex(2)Hex(3)HexNAc(3)Pent(2) (N)">dHex(2)Hex(3)HexNAc(3)Pent(2) (N)</option>
      <option value="dHex(2)Hex(3)HexNAc(3)Sulf(1) (S)">dHex(2)Hex(3)HexNAc(3)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(3)HexNAc(3)Sulf(1) (T)">dHex(2)Hex(3)HexNAc(3)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(4) (N)">dHex(2)Hex(3)HexNAc(4) (N)</option>
      <option value="dHex(2)Hex(3)HexNAc(4) (S)">dHex(2)Hex(3)HexNAc(4) (S)</option>
      <option value="dHex(2)Hex(3)HexNAc(4) (T)">dHex(2)Hex(3)HexNAc(4) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(4)NeuAc(1) (N)">dHex(2)Hex(3)HexNAc(4)NeuAc(1) (N)</option>
      <option value="dHex(2)Hex(3)HexNAc(4)Pent(1) (N)">dHex(2)Hex(3)HexNAc(4)Pent(1) (N)</option>
      <option value="dHex(2)Hex(3)HexNAc(4)Pent(2) (N)">dHex(2)Hex(3)HexNAc(4)Pent(2) (N)</option>
      <option value="dHex(2)Hex(3)HexNAc(5) (N)">dHex(2)Hex(3)HexNAc(5) (N)</option>
      <option value="dHex(2)Hex(3)HexNAc(5) (S)">dHex(2)Hex(3)HexNAc(5) (S)</option>
      <option value="dHex(2)Hex(3)HexNAc(5) (T)">dHex(2)Hex(3)HexNAc(5) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(6) (N)">dHex(2)Hex(3)HexNAc(6) (N)</option>
      <option value="dHex(2)Hex(4) (S)">dHex(2)Hex(4) (S)</option>
      <option value="dHex(2)Hex(4) (T)">dHex(2)Hex(4) (T)</option>
      <option value="dHex(2)Hex(4)HexA(1)HexNAc(3)Sulf(1) (S)">dHex(2)Hex(4)HexA(1)HexNAc(3)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(4)HexA(1)HexNAc(3)Sulf(1) (T)">dHex(2)Hex(4)HexA(1)HexNAc(3)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(4)HexNAc(1) (S)">dHex(2)Hex(4)HexNAc(1) (S)</option>
      <option value="dHex(2)Hex(4)HexNAc(1) (T)">dHex(2)Hex(4)HexNAc(1) (T)</option>
      <option value="dHex(2)Hex(4)HexNAc(2) (N)">dHex(2)Hex(4)HexNAc(2) (N)</option>
      <option value="dHex(2)Hex(4)HexNAc(2) (S)">dHex(2)Hex(4)HexNAc(2) (S)</option>
      <option value="dHex(2)Hex(4)HexNAc(2) (T)">dHex(2)Hex(4)HexNAc(2) (T)</option>
      <option value="dHex(2)Hex(4)HexNAc(3) (N)">dHex(2)Hex(4)HexNAc(3) (N)</option>
      <option value="dHex(2)Hex(4)HexNAc(3)NeuAc(1)Sulf(1) (N)">dHex(2)Hex(4)HexNAc(3)NeuAc(1)Sulf(1) (N)</option>
      <option value="dHex(2)Hex(4)HexNAc(3)Pent(1) (N)">dHex(2)Hex(4)HexNAc(3)Pent(1) (N)</option>
      <option value="dHex(2)Hex(4)HexNAc(4) (N)">dHex(2)Hex(4)HexNAc(4) (N)</option>
      <option value="dHex(2)Hex(4)HexNAc(4) (S)">dHex(2)Hex(4)HexNAc(4) (S)</option>
      <option value="dHex(2)Hex(4)HexNAc(4) (T)">dHex(2)Hex(4)HexNAc(4) (T)</option>
      <option value="dHex(2)Hex(4)HexNAc(4)Pent(1) (N)">dHex(2)Hex(4)HexNAc(4)Pent(1) (N)</option>
      <option value="dHex(2)Hex(4)HexNAc(4)Sulf(1) (N)">dHex(2)Hex(4)HexNAc(4)Sulf(1) (N)</option>
      <option value="dHex(2)Hex(4)HexNAc(5) (N)">dHex(2)Hex(4)HexNAc(5) (N)</option>
      <option value="dHex(2)Hex(4)HexNAc(5) (S)">dHex(2)Hex(4)HexNAc(5) (S)</option>
      <option value="dHex(2)Hex(4)HexNAc(5) (T)">dHex(2)Hex(4)HexNAc(5) (T)</option>
      <option value="dHex(2)Hex(5)HexNAc(2)Me(1) (S)">dHex(2)Hex(5)HexNAc(2)Me(1) (S)</option>
      <option value="dHex(2)Hex(5)HexNAc(2)Me(1) (T)">dHex(2)Hex(5)HexNAc(2)Me(1) (T)</option>
      <option value="dHex(2)Hex(5)HexNAc(3)Pent(1) (N)">dHex(2)Hex(5)HexNAc(3)Pent(1) (N)</option>
      <option value="dHex(2)Hex(5)HexNAc(4) (N)">dHex(2)Hex(5)HexNAc(4) (N)</option>
      <option value="dHex(2)HexNAc(2)Kdn(1) (S)">dHex(2)HexNAc(2)Kdn(1) (S)</option>
      <option value="dHex(2)HexNAc(2)Kdn(1) (T)">dHex(2)HexNAc(2)Kdn(1) (T)</option>
      <option value="dHex(2)HexNAc(5) (S)">dHex(2)HexNAc(5) (S)</option>
      <option value="dHex(2)HexNAc(5) (T)">dHex(2)HexNAc(5) (T)</option>
      <option value="dHex(2)HexNAc(7) (S)">dHex(2)HexNAc(7) (S)</option>
      <option value="dHex(2)HexNAc(7) (T)">dHex(2)HexNAc(7) (T)</option>
      <option value="dHex(3)Hex(1)HexNAc(2)Kdn(1) (S)">dHex(3)Hex(1)HexNAc(2)Kdn(1) (S)</option>
      <option value="dHex(3)Hex(1)HexNAc(2)Kdn(1) (T)">dHex(3)Hex(1)HexNAc(2)Kdn(1) (T)</option>
      <option value="dHex(3)Hex(1)HexNAc(3)Kdn(1) (S)">dHex(3)Hex(1)HexNAc(3)Kdn(1) (S)</option>
      <option value="dHex(3)Hex(1)HexNAc(3)Kdn(1) (T)">dHex(3)Hex(1)HexNAc(3)Kdn(1) (T)</option>
      <option value="dHex(3)Hex(2)HexA(1)HexNAc(2)Sulf(1) (S)">dHex(3)Hex(2)HexA(1)HexNAc(2)Sulf(1) (S)</option>
      <option value="dHex(3)Hex(2)HexA(1)HexNAc(2)Sulf(1) (T)">dHex(3)Hex(2)HexA(1)HexNAc(2)Sulf(1) (T)</option>
      <option value="dHex(3)Hex(2)HexNAc(2) (S)">dHex(3)Hex(2)HexNAc(2) (S)</option>
      <option value="dHex(3)Hex(2)HexNAc(2) (T)">dHex(3)Hex(2)HexNAc(2) (T)</option>
      <option value="dHex(3)Hex(2)HexNAc(2)Kdn(1) (S)">dHex(3)Hex(2)HexNAc(2)Kdn(1) (S)</option>
      <option value="dHex(3)Hex(2)HexNAc(2)Kdn(1) (T)">dHex(3)Hex(2)HexNAc(2)Kdn(1) (T)</option>
      <option value="dHex(3)Hex(2)HexNAc(3) (S)">dHex(3)Hex(2)HexNAc(3) (S)</option>
      <option value="dHex(3)Hex(2)HexNAc(3) (T)">dHex(3)Hex(2)HexNAc(3) (T)</option>
      <option value="dHex(3)Hex(2)HexNAc(3)Kdn(1) (S)">dHex(3)Hex(2)HexNAc(3)Kdn(1) (S)</option>
      <option value="dHex(3)Hex(2)HexNAc(3)Kdn(1) (T)">dHex(3)Hex(2)HexNAc(3)Kdn(1) (T)</option>
      <option value="dHex(3)Hex(2)HexNAc(4) (S)">dHex(3)Hex(2)HexNAc(4) (S)</option>
      <option value="dHex(3)Hex(2)HexNAc(4) (T)">dHex(3)Hex(2)HexNAc(4) (T)</option>
      <option value="dHex(3)Hex(2)HexNAc(4)Sulf(2) (S)">dHex(3)Hex(2)HexNAc(4)Sulf(2) (S)</option>
      <option value="dHex(3)Hex(2)HexNAc(4)Sulf(2) (T)">dHex(3)Hex(2)HexNAc(4)Sulf(2) (T)</option>
      <option value="dHex(3)Hex(3)HexNAc(1) (S)">dHex(3)Hex(3)HexNAc(1) (S)</option>
      <option value="dHex(3)Hex(3)HexNAc(1) (T)">dHex(3)Hex(3)HexNAc(1) (T)</option>
      <option value="dHex(3)Hex(3)HexNAc(2) (S)">dHex(3)Hex(3)HexNAc(2) (S)</option>
      <option value="dHex(3)Hex(3)HexNAc(2) (T)">dHex(3)Hex(3)HexNAc(2) (T)</option>
      <option value="dHex(3)Hex(3)HexNAc(3) (S)">dHex(3)Hex(3)HexNAc(3) (S)</option>
      <option value="dHex(3)Hex(3)HexNAc(3) (T)">dHex(3)Hex(3)HexNAc(3) (T)</option>
      <option value="dHex(3)Hex(3)HexNAc(3)NeuAc(1) (S)">dHex(3)Hex(3)HexNAc(3)NeuAc(1) (S)</option>
      <option value="dHex(3)Hex(3)HexNAc(3)NeuAc(1) (T)">dHex(3)Hex(3)HexNAc(3)NeuAc(1) (T)</option>
      <option value="dHex(3)Hex(3)HexNAc(3)Pent(1) (N)">dHex(3)Hex(3)HexNAc(3)Pent(1) (N)</option>
      <option value="dHex(3)Hex(3)HexNAc(4) (N)">dHex(3)Hex(3)HexNAc(4) (N)</option>
      <option value="dHex(3)Hex(3)HexNAc(4)Pent(1) (N)">dHex(3)Hex(3)HexNAc(4)Pent(1) (N)</option>
      <option value="dHex(3)Hex(4)HexNAc(4) (N)">dHex(3)Hex(4)HexNAc(4) (N)</option>
      <option value="dHex(3)Hex(4)HexNAc(4) (S)">dHex(3)Hex(4)HexNAc(4) (S)</option>
      <option value="dHex(3)Hex(4)HexNAc(4) (T)">dHex(3)Hex(4)HexNAc(4) (T)</option>
      <option value="dHex(3)Hex(4)HexNAc(4)Sulf(1) (N)">dHex(3)Hex(4)HexNAc(4)Sulf(1) (N)</option>
      <option value="dHex(3)HexNAc(3)Kdn(1) (S)">dHex(3)HexNAc(3)Kdn(1) (S)</option>
      <option value="dHex(3)HexNAc(3)Kdn(1) (T)">dHex(3)HexNAc(3)Kdn(1) (T)</option>
      <option value="dHex(4)Hex(1)HexNAc(1)Kdn(2) (S)">dHex(4)Hex(1)HexNAc(1)Kdn(2) (S)</option>
      <option value="dHex(4)Hex(1)HexNAc(1)Kdn(2) (T)">dHex(4)Hex(1)HexNAc(1)Kdn(2) (T)</option>
      <option value="dHex(4)Hex(1)HexNAc(2)Kdn(1) (S)">dHex(4)Hex(1)HexNAc(2)Kdn(1) (S)</option>
      <option value="dHex(4)Hex(1)HexNAc(2)Kdn(1) (T)">dHex(4)Hex(1)HexNAc(2)Kdn(1) (T)</option>
      <option value="dHex(4)Hex(1)HexNAc(3)Kdn(1) (S)">dHex(4)Hex(1)HexNAc(3)Kdn(1) (S)</option>
      <option value="dHex(4)Hex(1)HexNAc(3)Kdn(1) (T)">dHex(4)Hex(1)HexNAc(3)Kdn(1) (T)</option>
      <option value="dHex(4)Hex(2)HexNAc(2)Kdn(1) (S)">dHex(4)Hex(2)HexNAc(2)Kdn(1) (S)</option>
      <option value="dHex(4)Hex(2)HexNAc(2)Kdn(1) (T)">dHex(4)Hex(2)HexNAc(2)Kdn(1) (T)</option>
      <option value="dHex(4)Hex(2)HexNAc(3) (S)">dHex(4)Hex(2)HexNAc(3) (S)</option>
      <option value="dHex(4)Hex(2)HexNAc(3) (T)">dHex(4)Hex(2)HexNAc(3) (T)</option>
      <option value="dHex(4)Hex(3)HexNAc(2)NeuAc(1) (S)">dHex(4)Hex(3)HexNAc(2)NeuAc(1) (S)</option>
      <option value="dHex(4)Hex(3)HexNAc(2)NeuAc(1) (T)">dHex(4)Hex(3)HexNAc(2)NeuAc(1) (T)</option>
      <option value="dHex(4)Hex(3)HexNAc(3) (S)">dHex(4)Hex(3)HexNAc(3) (S)</option>
      <option value="dHex(4)Hex(3)HexNAc(3) (T)">dHex(4)Hex(3)HexNAc(3) (T)</option>
      <option value="dHex(4)HexNAc(3)Kdn(1) (S)">dHex(4)HexNAc(3)Kdn(1) (S)</option>
      <option value="dHex(4)HexNAc(3)Kdn(1) (T)">dHex(4)HexNAc(3)Kdn(1) (T)</option>
      <option value="DHP (C)">DHP (C)</option>
      <option value="Diacylglycerol (C)">Diacylglycerol (C)</option>
      <option value="DiART6plex (K)">DiART6plex (K)</option>
      <option value="DiART6plex (N-term)">DiART6plex (N-term)</option>
      <option value="DiART6plex (Protein N-term)">DiART6plex (Protein N-term)</option>
      <option value="DiART6plex (Y)">DiART6plex (Y)</option>
      <option value="DiART6plex115 (K)">DiART6plex115 (K)</option>
      <option value="DiART6plex115 (N-term)">DiART6plex115 (N-term)</option>
      <option value="DiART6plex115 (Protein N-term)">DiART6plex115 (Protein N-term)</option>
      <option value="DiART6plex115 (Y)">DiART6plex115 (Y)</option>
      <option value="DiART6plex116/119 (K)">DiART6plex116/119 (K)</option>
      <option value="DiART6plex116/119 (N-term)">DiART6plex116/119 (N-term)</option>
      <option value="DiART6plex116/119 (Protein N-term)">DiART6plex116/119 (Protein N-term)</option>
      <option value="DiART6plex116/119 (Y)">DiART6plex116/119 (Y)</option>
      <option value="DiART6plex117 (K)">DiART6plex117 (K)</option>
      <option value="DiART6plex117 (N-term)">DiART6plex117 (N-term)</option>
      <option value="DiART6plex117 (Protein N-term)">DiART6plex117 (Protein N-term)</option>
      <option value="DiART6plex117 (Y)">DiART6plex117 (Y)</option>
      <option value="DiART6plex118 (K)">DiART6plex118 (K)</option>
      <option value="DiART6plex118 (N-term)">DiART6plex118 (N-term)</option>
      <option value="DiART6plex118 (Protein N-term)">DiART6plex118 (Protein N-term)</option>
      <option value="DiART6plex118 (Y)">DiART6plex118 (Y)</option>
      <option value="Dibromo (Y)">Dibromo (Y)</option>
      <option value="Dicarbamidomethyl (C)">Dicarbamidomethyl (C)</option>
      <option value="Dicarbamidomethyl (H)">Dicarbamidomethyl (H)</option>
      <option value="Dicarbamidomethyl (K)">Dicarbamidomethyl (K)</option>
      <option value="Dicarbamidomethyl (N-term)">Dicarbamidomethyl (N-term)</option>
      <option value="Dicarbamidomethyl (R)">Dicarbamidomethyl (R)</option>
      <option value="dichlorination (C)">dichlorination (C)</option>
      <option value="dichlorination (Y)">dichlorination (Y)</option>
      <option value="Didehydro (C-term K)">Didehydro (C-term K)</option>
      <option value="Didehydro (S)">Didehydro (S)</option>
      <option value="Didehydro (T)">Didehydro (T)</option>
      <option value="Didehydro (Y)">Didehydro (Y)</option>
      <option value="Didehydroretinylidene (K)">Didehydroretinylidene (K)</option>
      <option value="Diethyl (K)">Diethyl (K)</option>
      <option value="Diethyl (N-term)">Diethyl (N-term)</option>
      <option value="Diethylphosphate (C)">Diethylphosphate (C)</option>
      <option value="Diethylphosphate (H)">Diethylphosphate (H)</option>
      <option value="Diethylphosphate (K)">Diethylphosphate (K)</option>
      <option value="Diethylphosphate (N-term)">Diethylphosphate (N-term)</option>
      <option value="Diethylphosphate (S)">Diethylphosphate (S)</option>
      <option value="Diethylphosphate (T)">Diethylphosphate (T)</option>
      <option value="Diethylphosphate (Y)">Diethylphosphate (Y)</option>
      <option value="Diethylphosphothione (C)">Diethylphosphothione (C)</option>
      <option value="Diethylphosphothione (H)">Diethylphosphothione (H)</option>
      <option value="Diethylphosphothione (K)">Diethylphosphothione (K)</option>
      <option value="Diethylphosphothione (S)">Diethylphosphothione (S)</option>
      <option value="Diethylphosphothione (T)">Diethylphosphothione (T)</option>
      <option value="Diethylphosphothione (Y)">Diethylphosphothione (Y)</option>
      <option value="Difuran (Y)">Difuran (Y)</option>
      <option value="Dihydroxyimidazolidine (R)">Dihydroxyimidazolidine (R)</option>
      <option value="Diiodo (H)">Diiodo (H)</option>
      <option value="Diiodo (Y)">Diiodo (Y)</option>
      <option value="Diironsubcluster (C)">Diironsubcluster (C)</option>
      <option value="Diisopropylphosphate (K)">Diisopropylphosphate (K)</option>
      <option value="Diisopropylphosphate (N-term)">Diisopropylphosphate (N-term)</option>
      <option value="Diisopropylphosphate (S)">Diisopropylphosphate (S)</option>
      <option value="Diisopropylphosphate (T)">Diisopropylphosphate (T)</option>
      <option value="Diisopropylphosphate (Y)">Diisopropylphosphate (Y)</option>
      <option value="DiLeu4plex (K)">DiLeu4plex (K)</option>
      <option value="DiLeu4plex (N-term)">DiLeu4plex (N-term)</option>
      <option value="DiLeu4plex (Y)">DiLeu4plex (Y)</option>
      <option value="DiLeu4plex115 (K)">DiLeu4plex115 (K)</option>
      <option value="DiLeu4plex115 (N-term)">DiLeu4plex115 (N-term)</option>
      <option value="DiLeu4plex115 (Y)">DiLeu4plex115 (Y)</option>
      <option value="DiLeu4plex117 (K)">DiLeu4plex117 (K)</option>
      <option value="DiLeu4plex117 (N-term)">DiLeu4plex117 (N-term)</option>
      <option value="DiLeu4plex117 (Y)">DiLeu4plex117 (Y)</option>
      <option value="DiLeu4plex118 (K)">DiLeu4plex118 (K)</option>
      <option value="DiLeu4plex118 (N-term)">DiLeu4plex118 (N-term)</option>
      <option value="DiLeu4plex118 (Y)">DiLeu4plex118 (Y)</option>
      <option value="Dimethyl (K)">Dimethyl (K)</option>
      <option value="Dimethyl (N)">Dimethyl (N)</option>
      <option value="Dimethyl (N-term)">Dimethyl (N-term)</option>
      <option value="Dimethyl (Protein N-term P)">Dimethyl (Protein N-term P)</option>
      <option value="Dimethyl (Protein N-term)">Dimethyl (Protein N-term)</option>
      <option value="Dimethyl (R)">Dimethyl (R)</option>
      <option value="Dimethyl:2H(2)13C (K)">Dimethyl:2H(2)13C (K)</option>
      <option value="Dimethyl:2H(2)13C (N)">Dimethyl:2H(2)13C (N)</option>
      <option value="Dimethyl:2H(2)13C (N-term)">Dimethyl:2H(2)13C (N-term)</option>
      <option value="Dimethyl:2H(2)13C (Protein N-term P)">Dimethyl:2H(2)13C (Protein N-term P)</option>
      <option value="Dimethyl:2H(2)13C (R)">Dimethyl:2H(2)13C (R)</option>
      <option value="Dimethyl:2H(4) (K)">Dimethyl:2H(4) (K)</option>
      <option value="Dimethyl:2H(4) (N-term)">Dimethyl:2H(4) (N-term)</option>
      <option value="Dimethyl:2H(4) (Protein N-term)">Dimethyl:2H(4) (Protein N-term)</option>
      <option value="Dimethyl:2H(4) (R)">Dimethyl:2H(4) (R)</option>
      <option value="Dimethyl:2H(4)13C(2) (K)">Dimethyl:2H(4)13C(2) (K)</option>
      <option value="Dimethyl:2H(4)13C(2) (N-term)">Dimethyl:2H(4)13C(2) (N-term)</option>
      <option value="Dimethyl:2H(4)13C(2) (Protein N-term)">Dimethyl:2H(4)13C(2) (Protein N-term)</option>
      <option value="Dimethyl:2H(4)13C(2) (R)">Dimethyl:2H(4)13C(2) (R)</option>
      <option value="Dimethyl:2H(6) (K)">Dimethyl:2H(6) (K)</option>
      <option value="Dimethyl:2H(6) (N-term)">Dimethyl:2H(6) (N-term)</option>
      <option value="Dimethyl:2H(6) (R)">Dimethyl:2H(6) (R)</option>
      <option value="Dimethyl:2H(6)13C(2) (K)">Dimethyl:2H(6)13C(2) (K)</option>
      <option value="Dimethyl:2H(6)13C(2) (N-term)">Dimethyl:2H(6)13C(2) (N-term)</option>
      <option value="Dimethyl:2H(6)13C(2) (Protein N-term)">Dimethyl:2H(6)13C(2) (Protein N-term)</option>
      <option value="Dimethyl:2H(6)13C(2) (R)">Dimethyl:2H(6)13C(2) (R)</option>
      <option value="DimethylamineGMBS (C)">DimethylamineGMBS (C)</option>
      <option value="Dimethylaminoethyl (C)">Dimethylaminoethyl (C)</option>
      <option value="DimethylArsino (C)">DimethylArsino (C)</option>
      <option value="Dimethylphosphothione (C)">Dimethylphosphothione (C)</option>
      <option value="Dimethylphosphothione (H)">Dimethylphosphothione (H)</option>
      <option value="Dimethylphosphothione (K)">Dimethylphosphothione (K)</option>
      <option value="Dimethylphosphothione (S)">Dimethylphosphothione (S)</option>
      <option value="Dimethylphosphothione (T)">Dimethylphosphothione (T)</option>
      <option value="Dimethylphosphothione (Y)">Dimethylphosphothione (Y)</option>
      <option value="DimethylpyrroleAdduct (K)">DimethylpyrroleAdduct (K)</option>
      <option value="Dioxidation (C)">Dioxidation (C)</option>
      <option value="Dioxidation (E)">Dioxidation (E)</option>
      <option value="Dioxidation (F)">Dioxidation (F)</option>
      <option value="Dioxidation (I)">Dioxidation (I)</option>
      <option value="Dioxidation (K)">Dioxidation (K)</option>
      <option value="Dioxidation (L)">Dioxidation (L)</option>
      <option value="Dioxidation (M)">Dioxidation (M)</option>
      <option value="Dioxidation (P)">Dioxidation (P)</option>
      <option value="Dioxidation (R)">Dioxidation (R)</option>
      <option value="Dioxidation (U)">Dioxidation (U)</option>
      <option value="Dioxidation (V)">Dioxidation (V)</option>
      <option value="Dioxidation (W)">Dioxidation (W)</option>
      <option value="Dioxidation (Y)">Dioxidation (Y)</option>
      <option value="Diphthamide (H)">Diphthamide (H)</option>
      <option value="Dipyridyl (C)">Dipyridyl (C)</option>
      <option value="Dipyrrolylmethanemethyl (C)">Dipyrrolylmethanemethyl (C)</option>
      <option value="DMPO (C)">DMPO (C)</option>
      <option value="DMPO (H)">DMPO (H)</option>
      <option value="DMPO (Y)">DMPO (Y)</option>
      <option value="DNCB_hapten (C)">DNCB_hapten (C)</option>
      <option value="DNCB_hapten (H)">DNCB_hapten (H)</option>
      <option value="DNCB_hapten (K)">DNCB_hapten (K)</option>
      <option value="DNCB_hapten (Y)">DNCB_hapten (Y)</option>
      <option value="dNIC (K)">dNIC (K)</option>
      <option value="dNIC (N-term)">dNIC (N-term)</option>
      <option value="DNPS (C)">DNPS (C)</option>
      <option value="DNPS (W)">DNPS (W)</option>
      <option value="DTT (C)">DTT (C)</option>
      <option value="DyLight-maleimide (C)">DyLight-maleimide (C)</option>
      <option value="DYn-2 (C)">DYn-2 (C)</option>
      <option value="EDEDTIDVFQQQTGG (K)">EDEDTIDVFQQQTGG (K)</option>
      <option value="EDT-iodoacetyl-PEO-biotin (S)">EDT-iodoacetyl-PEO-biotin (S)</option>
      <option value="EDT-iodoacetyl-PEO-biotin (T)">EDT-iodoacetyl-PEO-biotin (T)</option>
      <option value="EDT-maleimide-PEO-biotin (S)">EDT-maleimide-PEO-biotin (S)</option>
      <option value="EDT-maleimide-PEO-biotin (T)">EDT-maleimide-PEO-biotin (T)</option>
      <option value="EEEDVIEVYQEQTGG (K)">EEEDVIEVYQEQTGG (K)</option>
      <option value="EGCG1 (C)">EGCG1 (C)</option>
      <option value="EGCG2 (C)">EGCG2 (C)</option>
      <option value="EHD-diphenylpentanone (C)">EHD-diphenylpentanone (C)</option>
      <option value="EHD-diphenylpentanone (M)">EHD-diphenylpentanone (M)</option>
      <option value="EQAT (C)">EQAT (C)</option>
      <option value="EQAT:2H(5) (C)">EQAT:2H(5) (C)</option>
      <option value="EQIGG (K)">EQIGG (K)</option>
      <option value="ESP (K)">ESP (K)</option>
      <option value="ESP (N-term)">ESP (N-term)</option>
      <option value="ESP:2H(10) (K)">ESP:2H(10) (K)</option>
      <option value="ESP:2H(10) (N-term)">ESP:2H(10) (N-term)</option>
      <option value="Ethanedithiol (S)">Ethanedithiol (S)</option>
      <option value="Ethanedithiol (T)">Ethanedithiol (T)</option>
      <option value="Ethanolamine (C)">Ethanolamine (C)</option>
      <option value="Ethanolamine (C-term)">Ethanolamine (C-term)</option>
      <option value="Ethanolamine (D)">Ethanolamine (D)</option>
      <option value="Ethanolamine (E)">Ethanolamine (E)</option>
      <option value="Ethanolyl (C)">Ethanolyl (C)</option>
      <option value="Ethanolyl (K)">Ethanolyl (K)</option>
      <option value="Ethanolyl (R)">Ethanolyl (R)</option>
      <option value="Ethoxyformyl (H)">Ethoxyformyl (H)</option>
      <option value="Ethyl (C-term)">Ethyl (C-term)</option>
      <option value="Ethyl (D)">Ethyl (D)</option>
      <option value="Ethyl (E)">Ethyl (E)</option>
      <option value="Ethyl (K)">Ethyl (K)</option>
      <option value="Ethyl (N-term)">Ethyl (N-term)</option>
      <option value="Ethyl (Protein N-term)">Ethyl (Protein N-term)</option>
      <option value="Ethyl+Deamidated (N)">Ethyl+Deamidated (N)</option>
      <option value="Ethyl+Deamidated (Q)">Ethyl+Deamidated (Q)</option>
      <option value="ethylamino (S)">ethylamino (S)</option>
      <option value="ethylamino (T)">ethylamino (T)</option>
      <option value="Ethylphosphate (K)">Ethylphosphate (K)</option>
      <option value="Ethylphosphate (N-term)">Ethylphosphate (N-term)</option>
      <option value="Ethylphosphate (S)">Ethylphosphate (S)</option>
      <option value="Ethylphosphate (T)">Ethylphosphate (T)</option>
      <option value="Ethylphosphate (Y)">Ethylphosphate (Y)</option>
      <option value="ethylsulfonylethyl (C)">ethylsulfonylethyl (C)</option>
      <option value="ethylsulfonylethyl (H)">ethylsulfonylethyl (H)</option>
      <option value="ethylsulfonylethyl (K)">ethylsulfonylethyl (K)</option>
      <option value="ExacTagAmine (K)">ExacTagAmine (K)</option>
      <option value="ExacTagThiol (C)">ExacTagThiol (C)</option>
      <option value="FAD (C)">FAD (C)</option>
      <option value="FAD (H)">FAD (H)</option>
      <option value="FAD (Y)">FAD (Y)</option>
      <option value="Farnesyl (C)">Farnesyl (C)</option>
      <option value="Fluorescein (C)">Fluorescein (C)</option>
      <option value="Fluorescein-tyramine (Y)">Fluorescein-tyramine (Y)</option>
      <option value="Fluoro (A)">Fluoro (A)</option>
      <option value="Fluoro (F)">Fluoro (F)</option>
      <option value="Fluoro (W)">Fluoro (W)</option>
      <option value="Fluoro (Y)">Fluoro (Y)</option>
      <option value="FMN (S)">FMN (S)</option>
      <option value="FMN (T)">FMN (T)</option>
      <option value="FMNC (C)">FMNC (C)</option>
      <option value="FMNH (C)">FMNH (C)</option>
      <option value="FMNH (H)">FMNH (H)</option>
      <option value="FNEM (C)">FNEM (C)</option>
      <option value="Formyl (K)">Formyl (K)</option>
      <option value="Formyl (N-term)">Formyl (N-term)</option>
      <option value="Formyl (Protein N-term)">Formyl (Protein N-term)</option>
      <option value="Formyl (S)">Formyl (S)</option>
      <option value="Formyl (T)">Formyl (T)</option>
      <option value="Formylasparagine (H)">Formylasparagine (H)</option>
      <option value="FormylMet (Protein N-term)">FormylMet (Protein N-term)</option>
      <option value="FP-Biotin (K)">FP-Biotin (K)</option>
      <option value="FP-Biotin (S)">FP-Biotin (S)</option>
      <option value="FP-Biotin (T)">FP-Biotin (T)</option>
      <option value="FP-Biotin (Y)">FP-Biotin (Y)</option>
      <option value="FTC (C)">FTC (C)</option>
      <option value="FTC (K)">FTC (K)</option>
      <option value="FTC (P)">FTC (P)</option>
      <option value="FTC (R)">FTC (R)</option>
      <option value="FTC (S)">FTC (S)</option>
      <option value="Furan (Y)">Furan (Y)</option>
      <option value="G-H1 (R)">G-H1 (R)</option>
      <option value="Galactosyl (K)">Galactosyl (K)</option>
      <option value="Galactosyl (N-term)">Galactosyl (N-term)</option>
      <option value="GEE (Q)">GEE (Q)</option>
      <option value="GeranylGeranyl (C)">GeranylGeranyl (C)</option>
      <option value="GG (C)">GG (C)</option>
      <option value="GG (K)">GG (K)</option>
      <option value="GG (Protein N-term)">GG (Protein N-term)</option>
      <option value="GG (S)">GG (S)</option>
      <option value="GG (T)">GG (T)</option>
      <option value="GGQ (K)">GGQ (K)</option>
      <option value="GIST-Quat (K)">GIST-Quat (K)</option>
      <option value="GIST-Quat (N-term)">GIST-Quat (N-term)</option>
      <option value="GIST-Quat:2H(3) (K)">GIST-Quat:2H(3) (K)</option>
      <option value="GIST-Quat:2H(3) (N-term)">GIST-Quat:2H(3) (N-term)</option>
      <option value="GIST-Quat:2H(6) (K)">GIST-Quat:2H(6) (K)</option>
      <option value="GIST-Quat:2H(6) (N-term)">GIST-Quat:2H(6) (N-term)</option>
      <option value="GIST-Quat:2H(9) (K)">GIST-Quat:2H(9) (K)</option>
      <option value="GIST-Quat:2H(9) (N-term)">GIST-Quat:2H(9) (N-term)</option>
      <option value="Gln-&gt;Ala (Q)">Gln-&gt;Ala (Q)</option>
      <option value="Gln-&gt;Arg (Q)">Gln-&gt;Arg (Q)</option>
      <option value="Gln-&gt;Asn (Q)">Gln-&gt;Asn (Q)</option>
      <option value="Gln-&gt;Asp (Q)">Gln-&gt;Asp (Q)</option>
      <option value="Gln-&gt;Cys (Q)">Gln-&gt;Cys (Q)</option>
      <option value="Gln-&gt;Glu (Q)">Gln-&gt;Glu (Q)</option>
      <option value="Gln-&gt;Gly (Q)">Gln-&gt;Gly (Q)</option>
      <option value="Gln-&gt;His (Q)">Gln-&gt;His (Q)</option>
      <option value="Gln-&gt;Lys (Q)">Gln-&gt;Lys (Q)</option>
      <option value="Gln-&gt;Met (Q)">Gln-&gt;Met (Q)</option>
      <option value="Gln-&gt;Phe (Q)">Gln-&gt;Phe (Q)</option>
      <option value="Gln-&gt;Pro (Q)">Gln-&gt;Pro (Q)</option>
      <option value="Gln-&gt;pyro-Glu (N-term Q)">Gln-&gt;pyro-Glu (N-term Q)</option>
      <option value="Gln-&gt;Ser (Q)">Gln-&gt;Ser (Q)</option>
      <option value="Gln-&gt;Thr (Q)">Gln-&gt;Thr (Q)</option>
      <option value="Gln-&gt;Trp (Q)">Gln-&gt;Trp (Q)</option>
      <option value="Gln-&gt;Tyr (Q)">Gln-&gt;Tyr (Q)</option>
      <option value="Gln-&gt;Val (Q)">Gln-&gt;Val (Q)</option>
      <option value="Gln-&gt;Xle (Q)">Gln-&gt;Xle (Q)</option>
      <option value="Glu (E)">Glu (E)</option>
      <option value="Glu (Protein C-term)">Glu (Protein C-term)</option>
      <option value="Glu-&gt;Ala (E)">Glu-&gt;Ala (E)</option>
      <option value="Glu-&gt;Arg (E)">Glu-&gt;Arg (E)</option>
      <option value="Glu-&gt;Asn (E)">Glu-&gt;Asn (E)</option>
      <option value="Glu-&gt;Asp (E)">Glu-&gt;Asp (E)</option>
      <option value="Glu-&gt;Cys (E)">Glu-&gt;Cys (E)</option>
      <option value="Glu-&gt;Gln (E)">Glu-&gt;Gln (E)</option>
      <option value="Glu-&gt;Gly (E)">Glu-&gt;Gly (E)</option>
      <option value="Glu-&gt;His (E)">Glu-&gt;His (E)</option>
      <option value="Glu-&gt;Lys (E)">Glu-&gt;Lys (E)</option>
      <option value="Glu-&gt;Met (E)">Glu-&gt;Met (E)</option>
      <option value="Glu-&gt;Phe (E)">Glu-&gt;Phe (E)</option>
      <option value="Glu-&gt;Pro (E)">Glu-&gt;Pro (E)</option>
      <option value="Glu-&gt;pyro-Glu (N-term E)">Glu-&gt;pyro-Glu (N-term E)</option>
      <option value="Glu-&gt;pyro-Glu+Methyl (N-term E)">Glu-&gt;pyro-Glu+Methyl (N-term E)</option>
      <option value="Glu-&gt;pyro-Glu+Methyl:2H(2)13C (N-term E)">Glu-&gt;pyro-Glu+Methyl:2H(2)13C (N-term E)</option>
      <option value="Glu-&gt;pyro-Glu+Methyl:2H(2)13C(1) (N-term E)">Glu-&gt;pyro-Glu+Methyl:2H(2)13C(1) (N-term E)</option>
      <option value="Glu-&gt;Ser (E)">Glu-&gt;Ser (E)</option>
      <option value="Glu-&gt;Thr (E)">Glu-&gt;Thr (E)</option>
      <option value="Glu-&gt;Trp (E)">Glu-&gt;Trp (E)</option>
      <option value="Glu-&gt;Tyr (E)">Glu-&gt;Tyr (E)</option>
      <option value="Glu-&gt;Val (E)">Glu-&gt;Val (E)</option>
      <option value="Glu-&gt;Xle (E)">Glu-&gt;Xle (E)</option>
      <option value="glucosone (R)">glucosone (R)</option>
      <option value="Glucosylgalactosyl (K)">Glucosylgalactosyl (K)</option>
      <option value="Glucuronyl (Protein N-term)">Glucuronyl (Protein N-term)</option>
      <option value="Glucuronyl (S)">Glucuronyl (S)</option>
      <option value="Glucuronyl (T)">Glucuronyl (T)</option>
      <option value="GluGlu (E)">GluGlu (E)</option>
      <option value="GluGlu (Protein C-term)">GluGlu (Protein C-term)</option>
      <option value="GluGluGlu (E)">GluGluGlu (E)</option>
      <option value="GluGluGlu (Protein C-term)">GluGluGlu (Protein C-term)</option>
      <option value="GluGluGluGlu (E)">GluGluGluGlu (E)</option>
      <option value="GluGluGluGlu (Protein C-term)">GluGluGluGlu (Protein C-term)</option>
      <option value="Gluratylation (K)">Gluratylation (K)</option>
      <option value="Glutathione (C)">Glutathione (C)</option>
      <option value="Gly (K)">Gly (K)</option>
      <option value="Gly (S)">Gly (S)</option>
      <option value="Gly (T)">Gly (T)</option>
      <option value="Gly-&gt;Ala (G)">Gly-&gt;Ala (G)</option>
      <option value="Gly-&gt;Arg (G)">Gly-&gt;Arg (G)</option>
      <option value="Gly-&gt;Asn (G)">Gly-&gt;Asn (G)</option>
      <option value="Gly-&gt;Asp (G)">Gly-&gt;Asp (G)</option>
      <option value="Gly-&gt;Cys (G)">Gly-&gt;Cys (G)</option>
      <option value="Gly-&gt;Gln (G)">Gly-&gt;Gln (G)</option>
      <option value="Gly-&gt;Glu (G)">Gly-&gt;Glu (G)</option>
      <option value="Gly-&gt;His (G)">Gly-&gt;His (G)</option>
      <option value="Gly-&gt;Lys (G)">Gly-&gt;Lys (G)</option>
      <option value="Gly-&gt;Met (G)">Gly-&gt;Met (G)</option>
      <option value="Gly-&gt;Phe (G)">Gly-&gt;Phe (G)</option>
      <option value="Gly-&gt;Pro (G)">Gly-&gt;Pro (G)</option>
      <option value="Gly-&gt;Ser (G)">Gly-&gt;Ser (G)</option>
      <option value="Gly-&gt;Thr (G)">Gly-&gt;Thr (G)</option>
      <option value="Gly-&gt;Trp (G)">Gly-&gt;Trp (G)</option>
      <option value="Gly-&gt;Tyr (G)">Gly-&gt;Tyr (G)</option>
      <option value="Gly-&gt;Val (G)">Gly-&gt;Val (G)</option>
      <option value="Gly-&gt;Xle (G)">Gly-&gt;Xle (G)</option>
      <option value="Gly-loss+Amide (C-term G)">Gly-loss+Amide (C-term G)</option>
      <option value="Glycerophospho (S)">Glycerophospho (S)</option>
      <option value="GlycerylPE (E)">GlycerylPE (E)</option>
      <option value="glycidamide (K)">glycidamide (K)</option>
      <option value="glycidamide (N-term)">glycidamide (N-term)</option>
      <option value="Glycosyl (P)">Glycosyl (P)</option>
      <option value="glyoxalAGE (R)">glyoxalAGE (R)</option>
      <option value="GNLLFLACYCIGG (K)">GNLLFLACYCIGG (K)</option>
      <option value="GPIanchor (Protein C-term)">GPIanchor (Protein C-term)</option>
      <option value="Guanidinyl (K)">Guanidinyl (K)</option>
      <option value="Guanidinyl (N-term)">Guanidinyl (N-term)</option>
      <option value="Haloxon (C)">Haloxon (C)</option>
      <option value="Haloxon (H)">Haloxon (H)</option>
      <option value="Haloxon (K)">Haloxon (K)</option>
      <option value="Haloxon (S)">Haloxon (S)</option>
      <option value="Haloxon (T)">Haloxon (T)</option>
      <option value="Haloxon (Y)">Haloxon (Y)</option>
      <option value="HCysteinyl (C)">HCysteinyl (C)</option>
      <option value="HCysThiolactone (K)">HCysThiolactone (K)</option>
      <option value="Heme (C)">Heme (C)</option>
      <option value="Heme (H)">Heme (H)</option>
      <option value="Hep (K)">Hep (K)</option>
      <option value="Hep (N)">Hep (N)</option>
      <option value="Hep (Q)">Hep (Q)</option>
      <option value="Hep (R)">Hep (R)</option>
      <option value="Hep (S)">Hep (S)</option>
      <option value="Hep (T)">Hep (T)</option>
      <option value="Hex (C)">Hex (C)</option>
      <option value="Hex (K)">Hex (K)</option>
      <option value="Hex (N)">Hex (N)</option>
      <option value="Hex (N-term)">Hex (N-term)</option>
      <option value="Hex (R)">Hex (R)</option>
      <option value="Hex (S)">Hex (S)</option>
      <option value="Hex (T)">Hex (T)</option>
      <option value="Hex (W)">Hex (W)</option>
      <option value="Hex (Y)">Hex (Y)</option>
      <option value="Hex(1)HexA(1) (S)">Hex(1)HexA(1) (S)</option>
      <option value="Hex(1)HexA(1) (T)">Hex(1)HexA(1) (T)</option>
      <option value="Hex(1)HexA(1)HexNAc(1) (S)">Hex(1)HexA(1)HexNAc(1) (S)</option>
      <option value="Hex(1)HexA(1)HexNAc(1) (T)">Hex(1)HexA(1)HexNAc(1) (T)</option>
      <option value="Hex(1)HexA(1)HexNAc(2) (S)">Hex(1)HexA(1)HexNAc(2) (S)</option>
      <option value="Hex(1)HexA(1)HexNAc(2) (T)">Hex(1)HexA(1)HexNAc(2) (T)</option>
      <option value="Hex(1)HexNAc(1) (N)">Hex(1)HexNAc(1) (N)</option>
      <option value="Hex(1)HexNAc(1) (S)">Hex(1)HexNAc(1) (S)</option>
      <option value="Hex(1)HexNAc(1) (T)">Hex(1)HexNAc(1) (T)</option>
      <option value="Hex(1)HexNAc(1)dHex(1) (N)">Hex(1)HexNAc(1)dHex(1) (N)</option>
      <option value="Hex(1)HexNAc(1)dHex(1) (S)">Hex(1)HexNAc(1)dHex(1) (S)</option>
      <option value="Hex(1)HexNAc(1)dHex(1) (T)">Hex(1)HexNAc(1)dHex(1) (T)</option>
      <option value="Hex(1)HexNAc(1)dHex(1)Me(1) (S)">Hex(1)HexNAc(1)dHex(1)Me(1) (S)</option>
      <option value="Hex(1)HexNAc(1)dHex(1)Me(1) (T)">Hex(1)HexNAc(1)dHex(1)Me(1) (T)</option>
      <option value="Hex(1)HexNAc(1)dHex(1)Me(2) (S)">Hex(1)HexNAc(1)dHex(1)Me(2) (S)</option>
      <option value="Hex(1)HexNAc(1)dHex(1)Me(2) (T)">Hex(1)HexNAc(1)dHex(1)Me(2) (T)</option>
      <option value="Hex(1)HexNAc(1)Kdn(1)Sulf(1) (S)">Hex(1)HexNAc(1)Kdn(1)Sulf(1) (S)</option>
      <option value="Hex(1)HexNAc(1)Kdn(1)Sulf(1) (T)">Hex(1)HexNAc(1)Kdn(1)Sulf(1) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(1) (N)">Hex(1)HexNAc(1)NeuAc(1) (N)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(1) (S)">Hex(1)HexNAc(1)NeuAc(1) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(1) (T)">Hex(1)HexNAc(1)NeuAc(1) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(1)Ac(1) (S)">Hex(1)HexNAc(1)NeuAc(1)Ac(1) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(1)Ac(1) (T)">Hex(1)HexNAc(1)NeuAc(1)Ac(1) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(1)NeuGc(1) (S)">Hex(1)HexNAc(1)NeuAc(1)NeuGc(1) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(1)NeuGc(1) (T)">Hex(1)HexNAc(1)NeuAc(1)NeuGc(1) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(1)Sulf(1) (S)">Hex(1)HexNAc(1)NeuAc(1)Sulf(1) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(1)Sulf(1) (T)">Hex(1)HexNAc(1)NeuAc(1)Sulf(1) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(2) (N)">Hex(1)HexNAc(1)NeuAc(2) (N)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(2) (S)">Hex(1)HexNAc(1)NeuAc(2) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(2) (T)">Hex(1)HexNAc(1)NeuAc(2) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(2)Ac(1) (S)">Hex(1)HexNAc(1)NeuAc(2)Ac(1) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(2)Ac(1) (T)">Hex(1)HexNAc(1)NeuAc(2)Ac(1) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(2)Ac(2) (S)">Hex(1)HexNAc(1)NeuAc(2)Ac(2) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(2)Ac(2) (T)">Hex(1)HexNAc(1)NeuAc(2)Ac(2) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(3) (S)">Hex(1)HexNAc(1)NeuAc(3) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(3) (T)">Hex(1)HexNAc(1)NeuAc(3) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuGc(1) (S)">Hex(1)HexNAc(1)NeuGc(1) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuGc(1) (T)">Hex(1)HexNAc(1)NeuGc(1) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuGc(2) (S)">Hex(1)HexNAc(1)NeuGc(2) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuGc(2) (T)">Hex(1)HexNAc(1)NeuGc(2) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuGc(3) (S)">Hex(1)HexNAc(1)NeuGc(3) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuGc(3) (T)">Hex(1)HexNAc(1)NeuGc(3) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuGc(4) (S)">Hex(1)HexNAc(1)NeuGc(4) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuGc(4) (T)">Hex(1)HexNAc(1)NeuGc(4) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuGc(5) (S)">Hex(1)HexNAc(1)NeuGc(5) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuGc(5) (T)">Hex(1)HexNAc(1)NeuGc(5) (T)</option>
      <option value="Hex(1)HexNAc(1)Phos(1) (S)">Hex(1)HexNAc(1)Phos(1) (S)</option>
      <option value="Hex(1)HexNAc(1)Phos(1) (T)">Hex(1)HexNAc(1)Phos(1) (T)</option>
      <option value="Hex(1)HexNAc(1)Sulf(1) (S)">Hex(1)HexNAc(1)Sulf(1) (S)</option>
      <option value="Hex(1)HexNAc(1)Sulf(1) (T)">Hex(1)HexNAc(1)Sulf(1) (T)</option>
      <option value="Hex(1)HexNAc(2) (N)">Hex(1)HexNAc(2) (N)</option>
      <option value="Hex(1)HexNAc(2) (S)">Hex(1)HexNAc(2) (S)</option>
      <option value="Hex(1)HexNAc(2) (T)">Hex(1)HexNAc(2) (T)</option>
      <option value="Hex(1)HexNAc(2)dHex(1) (N)">Hex(1)HexNAc(2)dHex(1) (N)</option>
      <option value="Hex(1)HexNAc(2)dHex(1) (S)">Hex(1)HexNAc(2)dHex(1) (S)</option>
      <option value="Hex(1)HexNAc(2)dHex(1) (T)">Hex(1)HexNAc(2)dHex(1) (T)</option>
      <option value="Hex(1)HexNAc(2)dHex(1)Pent(1) (N)">Hex(1)HexNAc(2)dHex(1)Pent(1) (N)</option>
      <option value="Hex(1)HexNAc(2)dHex(2) (N)">Hex(1)HexNAc(2)dHex(2) (N)</option>
      <option value="Hex(1)HexNAc(2)dHex(2) (S)">Hex(1)HexNAc(2)dHex(2) (S)</option>
      <option value="Hex(1)HexNAc(2)dHex(2) (T)">Hex(1)HexNAc(2)dHex(2) (T)</option>
      <option value="Hex(1)HexNAc(2)dHex(2)Sulf(1) (S)">Hex(1)HexNAc(2)dHex(2)Sulf(1) (S)</option>
      <option value="Hex(1)HexNAc(2)dHex(2)Sulf(1) (T)">Hex(1)HexNAc(2)dHex(2)Sulf(1) (T)</option>
      <option value="Hex(1)HexNAc(2)NeuAc(1) (S)">Hex(1)HexNAc(2)NeuAc(1) (S)</option>
      <option value="Hex(1)HexNAc(2)NeuAc(1) (T)">Hex(1)HexNAc(2)NeuAc(1) (T)</option>
      <option value="Hex(1)HexNAc(2)NeuAc(1)Sulf(1) (S)">Hex(1)HexNAc(2)NeuAc(1)Sulf(1) (S)</option>
      <option value="Hex(1)HexNAc(2)NeuAc(1)Sulf(1) (T)">Hex(1)HexNAc(2)NeuAc(1)Sulf(1) (T)</option>
      <option value="Hex(1)HexNAc(2)NeuAc(2) (S)">Hex(1)HexNAc(2)NeuAc(2) (S)</option>
      <option value="Hex(1)HexNAc(2)NeuAc(2) (T)">Hex(1)HexNAc(2)NeuAc(2) (T)</option>
      <option value="Hex(1)HexNAc(2)NeuAc(2)Sulf(1) (S)">Hex(1)HexNAc(2)NeuAc(2)Sulf(1) (S)</option>
      <option value="Hex(1)HexNAc(2)NeuAc(2)Sulf(1) (T)">Hex(1)HexNAc(2)NeuAc(2)Sulf(1) (T)</option>
      <option value="Hex(1)HexNAc(2)NeuGc(1) (S)">Hex(1)HexNAc(2)NeuGc(1) (S)</option>
      <option value="Hex(1)HexNAc(2)NeuGc(1) (T)">Hex(1)HexNAc(2)NeuGc(1) (T)</option>
      <option value="Hex(1)HexNAc(2)Pent(1) (N)">Hex(1)HexNAc(2)Pent(1) (N)</option>
      <option value="Hex(1)HexNAc(2)Sulf(1) (S)">Hex(1)HexNAc(2)Sulf(1) (S)</option>
      <option value="Hex(1)HexNAc(2)Sulf(1) (T)">Hex(1)HexNAc(2)Sulf(1) (T)</option>
      <option value="Hex(1)HexNAc(3) (S)">Hex(1)HexNAc(3) (S)</option>
      <option value="Hex(1)HexNAc(3) (T)">Hex(1)HexNAc(3) (T)</option>
      <option value="Hex(1)HexNAc(3)NeuAc(1) (S)">Hex(1)HexNAc(3)NeuAc(1) (S)</option>
      <option value="Hex(1)HexNAc(3)NeuAc(1) (T)">Hex(1)HexNAc(3)NeuAc(1) (T)</option>
      <option value="Hex(1)HexNAc(3)NeuAc(2) (S)">Hex(1)HexNAc(3)NeuAc(2) (S)</option>
      <option value="Hex(1)HexNAc(3)NeuAc(2) (T)">Hex(1)HexNAc(3)NeuAc(2) (T)</option>
      <option value="Hex(1)HexNAc(3)NeuGc(1) (S)">Hex(1)HexNAc(3)NeuGc(1) (S)</option>
      <option value="Hex(1)HexNAc(3)NeuGc(1) (T)">Hex(1)HexNAc(3)NeuGc(1) (T)</option>
      <option value="Hex(1)HexNAc(3)Sulf(1) (S)">Hex(1)HexNAc(3)Sulf(1) (S)</option>
      <option value="Hex(1)HexNAc(3)Sulf(1) (T)">Hex(1)HexNAc(3)Sulf(1) (T)</option>
      <option value="Hex(1)HexNAc(4)dHex(1)Sulf(1) (S)">Hex(1)HexNAc(4)dHex(1)Sulf(1) (S)</option>
      <option value="Hex(1)HexNAc(4)dHex(1)Sulf(1) (T)">Hex(1)HexNAc(4)dHex(1)Sulf(1) (T)</option>
      <option value="Hex(1)NeuAc(1) (S)">Hex(1)NeuAc(1) (S)</option>
      <option value="Hex(1)NeuAc(1) (T)">Hex(1)NeuAc(1) (T)</option>
      <option value="Hex(1)NeuAc(1)Pent(1) (S)">Hex(1)NeuAc(1)Pent(1) (S)</option>
      <option value="Hex(1)NeuAc(1)Pent(1) (T)">Hex(1)NeuAc(1)Pent(1) (T)</option>
      <option value="Hex(1)NeuGc(1) (S)">Hex(1)NeuGc(1) (S)</option>
      <option value="Hex(1)NeuGc(1) (T)">Hex(1)NeuGc(1) (T)</option>
      <option value="Hex(1)Pent(1) (S)">Hex(1)Pent(1) (S)</option>
      <option value="Hex(1)Pent(1) (T)">Hex(1)Pent(1) (T)</option>
      <option value="Hex(1)Pent(2) (S)">Hex(1)Pent(2) (S)</option>
      <option value="Hex(1)Pent(2) (T)">Hex(1)Pent(2) (T)</option>
      <option value="Hex(1)Pent(2)Me(1) (S)">Hex(1)Pent(2)Me(1) (S)</option>
      <option value="Hex(1)Pent(2)Me(1) (T)">Hex(1)Pent(2)Me(1) (T)</option>
      <option value="Hex(1)Pent(3) (S)">Hex(1)Pent(3) (S)</option>
      <option value="Hex(1)Pent(3) (T)">Hex(1)Pent(3) (T)</option>
      <option value="Hex(1)Pent(3)Me(1) (S)">Hex(1)Pent(3)Me(1) (S)</option>
      <option value="Hex(1)Pent(3)Me(1) (T)">Hex(1)Pent(3)Me(1) (T)</option>
      <option value="Hex(10)HexNAc(1) (N)">Hex(10)HexNAc(1) (N)</option>
      <option value="Hex(10)Phos(3) (S)">Hex(10)Phos(3) (S)</option>
      <option value="Hex(10)Phos(3) (T)">Hex(10)Phos(3) (T)</option>
      <option value="Hex(2) (K)">Hex(2) (K)</option>
      <option value="Hex(2) (R)">Hex(2) (R)</option>
      <option value="Hex(2) (S)">Hex(2) (S)</option>
      <option value="Hex(2) (T)">Hex(2) (T)</option>
      <option value="Hex(2)HexA(1)HexNAc(1)Sulf(1) (S)">Hex(2)HexA(1)HexNAc(1)Sulf(1) (S)</option>
      <option value="Hex(2)HexA(1)HexNAc(1)Sulf(1) (T)">Hex(2)HexA(1)HexNAc(1)Sulf(1) (T)</option>
      <option value="Hex(2)HexA(1)NeuAc(1)Pent(1)Sulf(1) (S)">Hex(2)HexA(1)NeuAc(1)Pent(1)Sulf(1) (S)</option>
      <option value="Hex(2)HexA(1)NeuAc(1)Pent(1)Sulf(1) (T)">Hex(2)HexA(1)NeuAc(1)Pent(1)Sulf(1) (T)</option>
      <option value="Hex(2)HexA(1)Pent(1)Sulf(1) (S)">Hex(2)HexA(1)Pent(1)Sulf(1) (S)</option>
      <option value="Hex(2)HexA(1)Pent(1)Sulf(1) (T)">Hex(2)HexA(1)Pent(1)Sulf(1) (T)</option>
      <option value="Hex(2)HexNAc(1) (N)">Hex(2)HexNAc(1) (N)</option>
      <option value="Hex(2)HexNAc(1) (S)">Hex(2)HexNAc(1) (S)</option>
      <option value="Hex(2)HexNAc(1) (T)">Hex(2)HexNAc(1) (T)</option>
      <option value="Hex(2)HexNAc(1)Me(1) (S)">Hex(2)HexNAc(1)Me(1) (S)</option>
      <option value="Hex(2)HexNAc(1)Me(1) (T)">Hex(2)HexNAc(1)Me(1) (T)</option>
      <option value="Hex(2)HexNAc(1)NeuGc(1) (S)">Hex(2)HexNAc(1)NeuGc(1) (S)</option>
      <option value="Hex(2)HexNAc(1)NeuGc(1) (T)">Hex(2)HexNAc(1)NeuGc(1) (T)</option>
      <option value="Hex(2)HexNAc(1)NeuGc(2) (S)">Hex(2)HexNAc(1)NeuGc(2) (S)</option>
      <option value="Hex(2)HexNAc(1)NeuGc(2) (T)">Hex(2)HexNAc(1)NeuGc(2) (T)</option>
      <option value="Hex(2)HexNAc(1)NeuGc(3) (S)">Hex(2)HexNAc(1)NeuGc(3) (S)</option>
      <option value="Hex(2)HexNAc(1)NeuGc(3) (T)">Hex(2)HexNAc(1)NeuGc(3) (T)</option>
      <option value="Hex(2)HexNAc(1)NeuGc(4) (S)">Hex(2)HexNAc(1)NeuGc(4) (S)</option>
      <option value="Hex(2)HexNAc(1)NeuGc(4) (T)">Hex(2)HexNAc(1)NeuGc(4) (T)</option>
      <option value="Hex(2)HexNAc(1)Pent(1)HexA(1) (S)">Hex(2)HexNAc(1)Pent(1)HexA(1) (S)</option>
      <option value="Hex(2)HexNAc(1)Pent(1)HexA(1) (T)">Hex(2)HexNAc(1)Pent(1)HexA(1) (T)</option>
      <option value="Hex(2)HexNAc(1)Sulf(1) (S)">Hex(2)HexNAc(1)Sulf(1) (S)</option>
      <option value="Hex(2)HexNAc(1)Sulf(1) (T)">Hex(2)HexNAc(1)Sulf(1) (T)</option>
      <option value="Hex(2)HexNAc(2) (N)">Hex(2)HexNAc(2) (N)</option>
      <option value="Hex(2)HexNAc(2) (S)">Hex(2)HexNAc(2) (S)</option>
      <option value="Hex(2)HexNAc(2) (T)">Hex(2)HexNAc(2) (T)</option>
      <option value="Hex(2)HexNAc(2)dHex(1) (N)">Hex(2)HexNAc(2)dHex(1) (N)</option>
      <option value="Hex(2)HexNAc(2)dHex(1) (S)">Hex(2)HexNAc(2)dHex(1) (S)</option>
      <option value="Hex(2)HexNAc(2)dHex(1) (T)">Hex(2)HexNAc(2)dHex(1) (T)</option>
      <option value="Hex(2)HexNAc(2)NeuAc(1) (N)">Hex(2)HexNAc(2)NeuAc(1) (N)</option>
      <option value="Hex(2)HexNAc(2)NeuAc(1) (S)">Hex(2)HexNAc(2)NeuAc(1) (S)</option>
      <option value="Hex(2)HexNAc(2)NeuAc(1) (T)">Hex(2)HexNAc(2)NeuAc(1) (T)</option>
      <option value="Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (S)">Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (S)</option>
      <option value="Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (T)">Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (T)</option>
      <option value="Hex(2)HexNAc(2)NeuAc(2) (S)">Hex(2)HexNAc(2)NeuAc(2) (S)</option>
      <option value="Hex(2)HexNAc(2)NeuAc(2) (T)">Hex(2)HexNAc(2)NeuAc(2) (T)</option>
      <option value="Hex(2)HexNAc(2)NeuAc(2)Sulf(1) (S)">Hex(2)HexNAc(2)NeuAc(2)Sulf(1) (S)</option>
      <option value="Hex(2)HexNAc(2)NeuAc(2)Sulf(1) (T)">Hex(2)HexNAc(2)NeuAc(2)Sulf(1) (T)</option>
      <option value="Hex(2)HexNAc(2)NeuGc(1) (S)">Hex(2)HexNAc(2)NeuGc(1) (S)</option>
      <option value="Hex(2)HexNAc(2)NeuGc(1) (T)">Hex(2)HexNAc(2)NeuGc(1) (T)</option>
      <option value="Hex(2)HexNAc(2)Pent(1) (N)">Hex(2)HexNAc(2)Pent(1) (N)</option>
      <option value="Hex(2)HexNAc(2)Sulf(1) (S)">Hex(2)HexNAc(2)Sulf(1) (S)</option>
      <option value="Hex(2)HexNAc(2)Sulf(1) (T)">Hex(2)HexNAc(2)Sulf(1) (T)</option>
      <option value="Hex(2)HexNAc(3) (N)">Hex(2)HexNAc(3) (N)</option>
      <option value="Hex(2)HexNAc(3) (S)">Hex(2)HexNAc(3) (S)</option>
      <option value="Hex(2)HexNAc(3) (T)">Hex(2)HexNAc(3) (T)</option>
      <option value="Hex(2)HexNAc(3)NeuAc(1)NeuGc(1) (S)">Hex(2)HexNAc(3)NeuAc(1)NeuGc(1) (S)</option>
      <option value="Hex(2)HexNAc(3)NeuAc(1)NeuGc(1) (T)">Hex(2)HexNAc(3)NeuAc(1)NeuGc(1) (T)</option>
      <option value="Hex(2)HexNAc(3)NeuAc(1)Sulf(1) (S)">Hex(2)HexNAc(3)NeuAc(1)Sulf(1) (S)</option>
      <option value="Hex(2)HexNAc(3)NeuAc(1)Sulf(1) (T)">Hex(2)HexNAc(3)NeuAc(1)Sulf(1) (T)</option>
      <option value="Hex(2)HexNAc(3)NeuAc(2) (S)">Hex(2)HexNAc(3)NeuAc(2) (S)</option>
      <option value="Hex(2)HexNAc(3)NeuAc(2) (T)">Hex(2)HexNAc(3)NeuAc(2) (T)</option>
      <option value="Hex(2)HexNAc(3)NeuAc(3) (S)">Hex(2)HexNAc(3)NeuAc(3) (S)</option>
      <option value="Hex(2)HexNAc(3)NeuAc(3) (T)">Hex(2)HexNAc(3)NeuAc(3) (T)</option>
      <option value="Hex(2)HexNAc(3)NeuGc(1) (S)">Hex(2)HexNAc(3)NeuGc(1) (S)</option>
      <option value="Hex(2)HexNAc(3)NeuGc(1) (T)">Hex(2)HexNAc(3)NeuGc(1) (T)</option>
      <option value="Hex(2)HexNAc(3)NeuGc(2) (S)">Hex(2)HexNAc(3)NeuGc(2) (S)</option>
      <option value="Hex(2)HexNAc(3)NeuGc(2) (T)">Hex(2)HexNAc(3)NeuGc(2) (T)</option>
      <option value="Hex(2)HexNAc(3)NeuGc(3) (S)">Hex(2)HexNAc(3)NeuGc(3) (S)</option>
      <option value="Hex(2)HexNAc(3)NeuGc(3) (T)">Hex(2)HexNAc(3)NeuGc(3) (T)</option>
      <option value="Hex(2)HexNAc(3)Sulf(1) (S)">Hex(2)HexNAc(3)Sulf(1) (S)</option>
      <option value="Hex(2)HexNAc(3)Sulf(1) (T)">Hex(2)HexNAc(3)Sulf(1) (T)</option>
      <option value="Hex(2)HexNAc(4) (N)">Hex(2)HexNAc(4) (N)</option>
      <option value="Hex(2)HexNAc(4) (S)">Hex(2)HexNAc(4) (S)</option>
      <option value="Hex(2)HexNAc(4) (T)">Hex(2)HexNAc(4) (T)</option>
      <option value="Hex(2)HexNAc(4)NeuAc(1) (S)">Hex(2)HexNAc(4)NeuAc(1) (S)</option>
      <option value="Hex(2)HexNAc(4)NeuAc(1) (T)">Hex(2)HexNAc(4)NeuAc(1) (T)</option>
      <option value="Hex(2)HexNAc(5) (S)">Hex(2)HexNAc(5) (S)</option>
      <option value="Hex(2)HexNAc(5) (T)">Hex(2)HexNAc(5) (T)</option>
      <option value="Hex(2)NeuAc(1) (S)">Hex(2)NeuAc(1) (S)</option>
      <option value="Hex(2)NeuAc(1) (T)">Hex(2)NeuAc(1) (T)</option>
      <option value="Hex(2)Pent(2) (S)">Hex(2)Pent(2) (S)</option>
      <option value="Hex(2)Pent(2) (T)">Hex(2)Pent(2) (T)</option>
      <option value="Hex(2)Pent(2)Me(1) (S)">Hex(2)Pent(2)Me(1) (S)</option>
      <option value="Hex(2)Pent(2)Me(1) (T)">Hex(2)Pent(2)Me(1) (T)</option>
      <option value="Hex(2)Sulf(1) (S)">Hex(2)Sulf(1) (S)</option>
      <option value="Hex(2)Sulf(1) (T)">Hex(2)Sulf(1) (T)</option>
      <option value="Hex(3) (N)">Hex(3) (N)</option>
      <option value="Hex(3) (S)">Hex(3) (S)</option>
      <option value="Hex(3) (T)">Hex(3) (T)</option>
      <option value="Hex(3)HexNAc(1) (N)">Hex(3)HexNAc(1) (N)</option>
      <option value="Hex(3)HexNAc(1) (S)">Hex(3)HexNAc(1) (S)</option>
      <option value="Hex(3)HexNAc(1) (T)">Hex(3)HexNAc(1) (T)</option>
      <option value="Hex(3)HexNAc(1)HexA(1) (S)">Hex(3)HexNAc(1)HexA(1) (S)</option>
      <option value="Hex(3)HexNAc(1)HexA(1) (T)">Hex(3)HexNAc(1)HexA(1) (T)</option>
      <option value="Hex(3)HexNAc(1)Me(1) (S)">Hex(3)HexNAc(1)Me(1) (S)</option>
      <option value="Hex(3)HexNAc(1)Me(1) (T)">Hex(3)HexNAc(1)Me(1) (T)</option>
      <option value="Hex(3)HexNAc(1)Pent(1) (N)">Hex(3)HexNAc(1)Pent(1) (N)</option>
      <option value="Hex(3)HexNAc(2) (N)">Hex(3)HexNAc(2) (N)</option>
      <option value="Hex(3)HexNAc(2) (S)">Hex(3)HexNAc(2) (S)</option>
      <option value="Hex(3)HexNAc(2) (T)">Hex(3)HexNAc(2) (T)</option>
      <option value="Hex(3)HexNAc(2)NeuAc(1) (N)">Hex(3)HexNAc(2)NeuAc(1) (N)</option>
      <option value="Hex(3)HexNAc(2)NeuAc(2) (S)">Hex(3)HexNAc(2)NeuAc(2) (S)</option>
      <option value="Hex(3)HexNAc(2)NeuAc(2) (T)">Hex(3)HexNAc(2)NeuAc(2) (T)</option>
      <option value="Hex(3)HexNAc(2)Pent(1) (N)">Hex(3)HexNAc(2)Pent(1) (N)</option>
      <option value="Hex(3)HexNAc(2)Phos(1) (N)">Hex(3)HexNAc(2)Phos(1) (N)</option>
      <option value="Hex(3)HexNAc(3) (N)">Hex(3)HexNAc(3) (N)</option>
      <option value="Hex(3)HexNAc(3) (S)">Hex(3)HexNAc(3) (S)</option>
      <option value="Hex(3)HexNAc(3) (T)">Hex(3)HexNAc(3) (T)</option>
      <option value="Hex(3)HexNAc(3)NeuAc(1) (S)">Hex(3)HexNAc(3)NeuAc(1) (S)</option>
      <option value="Hex(3)HexNAc(3)NeuAc(1) (T)">Hex(3)HexNAc(3)NeuAc(1) (T)</option>
      <option value="Hex(3)HexNAc(3)NeuAc(1)Sulf(1) (S)">Hex(3)HexNAc(3)NeuAc(1)Sulf(1) (S)</option>
      <option value="Hex(3)HexNAc(3)NeuAc(1)Sulf(1) (T)">Hex(3)HexNAc(3)NeuAc(1)Sulf(1) (T)</option>
      <option value="Hex(3)HexNAc(3)NeuAc(2) (S)">Hex(3)HexNAc(3)NeuAc(2) (S)</option>
      <option value="Hex(3)HexNAc(3)NeuAc(2) (T)">Hex(3)HexNAc(3)NeuAc(2) (T)</option>
      <option value="Hex(3)HexNAc(3)NeuAc(2)Sulf(1) (S)">Hex(3)HexNAc(3)NeuAc(2)Sulf(1) (S)</option>
      <option value="Hex(3)HexNAc(3)NeuAc(2)Sulf(1) (T)">Hex(3)HexNAc(3)NeuAc(2)Sulf(1) (T)</option>
      <option value="Hex(3)HexNAc(3)NeuAc(3) (S)">Hex(3)HexNAc(3)NeuAc(3) (S)</option>
      <option value="Hex(3)HexNAc(3)NeuAc(3) (T)">Hex(3)HexNAc(3)NeuAc(3) (T)</option>
      <option value="Hex(3)HexNAc(3)NeuGc(1) (S)">Hex(3)HexNAc(3)NeuGc(1) (S)</option>
      <option value="Hex(3)HexNAc(3)NeuGc(1) (T)">Hex(3)HexNAc(3)NeuGc(1) (T)</option>
      <option value="Hex(3)HexNAc(3)NeuGc(1)Sulf(1) (S)">Hex(3)HexNAc(3)NeuGc(1)Sulf(1) (S)</option>
      <option value="Hex(3)HexNAc(3)NeuGc(1)Sulf(1) (T)">Hex(3)HexNAc(3)NeuGc(1)Sulf(1) (T)</option>
      <option value="Hex(3)HexNAc(3)Pent(1) (N)">Hex(3)HexNAc(3)Pent(1) (N)</option>
      <option value="Hex(3)HexNAc(3)Sulf(1) (N)">Hex(3)HexNAc(3)Sulf(1) (N)</option>
      <option value="Hex(3)HexNAc(3)Sulf(1) (S)">Hex(3)HexNAc(3)Sulf(1) (S)</option>
      <option value="Hex(3)HexNAc(3)Sulf(1) (T)">Hex(3)HexNAc(3)Sulf(1) (T)</option>
      <option value="Hex(3)HexNAc(4) (N)">Hex(3)HexNAc(4) (N)</option>
      <option value="Hex(3)HexNAc(4) (S)">Hex(3)HexNAc(4) (S)</option>
      <option value="Hex(3)HexNAc(4) (T)">Hex(3)HexNAc(4) (T)</option>
      <option value="Hex(3)HexNAc(4)NeuAc(1) (N)">Hex(3)HexNAc(4)NeuAc(1) (N)</option>
      <option value="Hex(3)HexNAc(4)NeuAc(2) (N)">Hex(3)HexNAc(4)NeuAc(2) (N)</option>
      <option value="Hex(3)HexNAc(4)Pent(1) (N)">Hex(3)HexNAc(4)Pent(1) (N)</option>
      <option value="Hex(3)HexNAc(4)Sulf(1) (N)">Hex(3)HexNAc(4)Sulf(1) (N)</option>
      <option value="Hex(3)HexNAc(5) (N)">Hex(3)HexNAc(5) (N)</option>
      <option value="Hex(3)HexNAc(5) (S)">Hex(3)HexNAc(5) (S)</option>
      <option value="Hex(3)HexNAc(5) (T)">Hex(3)HexNAc(5) (T)</option>
      <option value="Hex(3)HexNAc(5)NeuAc(1) (N)">Hex(3)HexNAc(5)NeuAc(1) (N)</option>
      <option value="Hex(3)HexNAc(5)Sulf(1) (N)">Hex(3)HexNAc(5)Sulf(1) (N)</option>
      <option value="Hex(3)HexNAc(6) (N)">Hex(3)HexNAc(6) (N)</option>
      <option value="Hex(3)HexNAc(6) (S)">Hex(3)HexNAc(6) (S)</option>
      <option value="Hex(3)HexNAc(6) (T)">Hex(3)HexNAc(6) (T)</option>
      <option value="Hex(3)HexNAc(6)NeuAc(1) (N)">Hex(3)HexNAc(6)NeuAc(1) (N)</option>
      <option value="Hex(3)HexNAc(6)Sulf(1) (N)">Hex(3)HexNAc(6)Sulf(1) (N)</option>
      <option value="Hex(3)HexNAc(6)Sulf(2) (N)">Hex(3)HexNAc(6)Sulf(2) (N)</option>
      <option value="Hex(3)HexNAc(7) (N)">Hex(3)HexNAc(7) (N)</option>
      <option value="Hex(3)HexNAc(7)Sulf(1) (N)">Hex(3)HexNAc(7)Sulf(1) (N)</option>
      <option value="Hex(4) (S)">Hex(4) (S)</option>
      <option value="Hex(4) (T)">Hex(4) (T)</option>
      <option value="Hex(4)HexA(1) (S)">Hex(4)HexA(1) (S)</option>
      <option value="Hex(4)HexA(1) (T)">Hex(4)HexA(1) (T)</option>
      <option value="Hex(4)HexA(1)HexNAc(1) (S)">Hex(4)HexA(1)HexNAc(1) (S)</option>
      <option value="Hex(4)HexA(1)HexNAc(1) (T)">Hex(4)HexA(1)HexNAc(1) (T)</option>
      <option value="Hex(4)HexNAc(1) (N)">Hex(4)HexNAc(1) (N)</option>
      <option value="Hex(4)HexNAc(1) (S)">Hex(4)HexNAc(1) (S)</option>
      <option value="Hex(4)HexNAc(1) (T)">Hex(4)HexNAc(1) (T)</option>
      <option value="Hex(4)HexNAc(2) (N)">Hex(4)HexNAc(2) (N)</option>
      <option value="Hex(4)HexNAc(2)NeuAc(1) (N)">Hex(4)HexNAc(2)NeuAc(1) (N)</option>
      <option value="Hex(4)HexNAc(2)NeuAc(1) (S)">Hex(4)HexNAc(2)NeuAc(1) (S)</option>
      <option value="Hex(4)HexNAc(2)NeuAc(1) (T)">Hex(4)HexNAc(2)NeuAc(1) (T)</option>
      <option value="Hex(4)HexNAc(2)Pent(1) (N)">Hex(4)HexNAc(2)Pent(1) (N)</option>
      <option value="Hex(4)HexNAc(3) (N)">Hex(4)HexNAc(3) (N)</option>
      <option value="Hex(4)HexNAc(3) (S)">Hex(4)HexNAc(3) (S)</option>
      <option value="Hex(4)HexNAc(3) (T)">Hex(4)HexNAc(3) (T)</option>
      <option value="Hex(4)HexNAc(3)NeuAc(1) (N)">Hex(4)HexNAc(3)NeuAc(1) (N)</option>
      <option value="Hex(4)HexNAc(3)NeuAc(1) (S)">Hex(4)HexNAc(3)NeuAc(1) (S)</option>
      <option value="Hex(4)HexNAc(3)NeuAc(1) (T)">Hex(4)HexNAc(3)NeuAc(1) (T)</option>
      <option value="Hex(4)HexNAc(3)NeuAc(2) (N)">Hex(4)HexNAc(3)NeuAc(2) (N)</option>
      <option value="Hex(4)HexNAc(3)NeuGc(1) (N)">Hex(4)HexNAc(3)NeuGc(1) (N)</option>
      <option value="Hex(4)HexNAc(3)Pent(1) (N)">Hex(4)HexNAc(3)Pent(1) (N)</option>
      <option value="Hex(4)HexNAc(4) (N)">Hex(4)HexNAc(4) (N)</option>
      <option value="Hex(4)HexNAc(4) (S)">Hex(4)HexNAc(4) (S)</option>
      <option value="Hex(4)HexNAc(4) (T)">Hex(4)HexNAc(4) (T)</option>
      <option value="Hex(4)HexNAc(4)Me(2)Pent(1) (N)">Hex(4)HexNAc(4)Me(2)Pent(1) (N)</option>
      <option value="Hex(4)HexNAc(4)NeuAc(1) (N)">Hex(4)HexNAc(4)NeuAc(1) (N)</option>
      <option value="Hex(4)HexNAc(4)NeuAc(1) (S)">Hex(4)HexNAc(4)NeuAc(1) (S)</option>
      <option value="Hex(4)HexNAc(4)NeuAc(1) (T)">Hex(4)HexNAc(4)NeuAc(1) (T)</option>
      <option value="Hex(4)HexNAc(4)NeuAc(1)Sulf(2) (S)">Hex(4)HexNAc(4)NeuAc(1)Sulf(2) (S)</option>
      <option value="Hex(4)HexNAc(4)NeuAc(1)Sulf(2) (T)">Hex(4)HexNAc(4)NeuAc(1)Sulf(2) (T)</option>
      <option value="Hex(4)HexNAc(4)NeuAc(1)Sulf(3) (S)">Hex(4)HexNAc(4)NeuAc(1)Sulf(3) (S)</option>
      <option value="Hex(4)HexNAc(4)NeuAc(1)Sulf(3) (T)">Hex(4)HexNAc(4)NeuAc(1)Sulf(3) (T)</option>
      <option value="Hex(4)HexNAc(4)NeuGc(1) (N)">Hex(4)HexNAc(4)NeuGc(1) (N)</option>
      <option value="Hex(4)HexNAc(4)NeuGc(1) (S)">Hex(4)HexNAc(4)NeuGc(1) (S)</option>
      <option value="Hex(4)HexNAc(4)NeuGc(1) (T)">Hex(4)HexNAc(4)NeuGc(1) (T)</option>
      <option value="Hex(4)HexNAc(4)NeuGc(1)Sulf(2) (S)">Hex(4)HexNAc(4)NeuGc(1)Sulf(2) (S)</option>
      <option value="Hex(4)HexNAc(4)NeuGc(1)Sulf(2) (T)">Hex(4)HexNAc(4)NeuGc(1)Sulf(2) (T)</option>
      <option value="Hex(4)HexNAc(4)Pent(1) (N)">Hex(4)HexNAc(4)Pent(1) (N)</option>
      <option value="Hex(4)HexNAc(4)Sulf(1) (N)">Hex(4)HexNAc(4)Sulf(1) (N)</option>
      <option value="Hex(4)HexNAc(4)Sulf(2) (S)">Hex(4)HexNAc(4)Sulf(2) (S)</option>
      <option value="Hex(4)HexNAc(4)Sulf(2) (T)">Hex(4)HexNAc(4)Sulf(2) (T)</option>
      <option value="Hex(4)HexNAc(5) (N)">Hex(4)HexNAc(5) (N)</option>
      <option value="Hex(4)HexNAc(5)NeuAc(1) (N)">Hex(4)HexNAc(5)NeuAc(1) (N)</option>
      <option value="Hex(4)HexNAc(5)Sulf(1) (N)">Hex(4)HexNAc(5)Sulf(1) (N)</option>
      <option value="Hex(4)HexNAc(6) (N)">Hex(4)HexNAc(6) (N)</option>
      <option value="Hex(4)Phos(1) (S)">Hex(4)Phos(1) (S)</option>
      <option value="Hex(4)Phos(1) (T)">Hex(4)Phos(1) (T)</option>
      <option value="Hex(5) (S)">Hex(5) (S)</option>
      <option value="Hex(5) (T)">Hex(5) (T)</option>
      <option value="Hex(5)HexA(1) (S)">Hex(5)HexA(1) (S)</option>
      <option value="Hex(5)HexA(1) (T)">Hex(5)HexA(1) (T)</option>
      <option value="Hex(5)HexNAc(1) (N)">Hex(5)HexNAc(1) (N)</option>
      <option value="Hex(5)HexNAc(1) (S)">Hex(5)HexNAc(1) (S)</option>
      <option value="Hex(5)HexNAc(1) (T)">Hex(5)HexNAc(1) (T)</option>
      <option value="Hex(5)HexNAc(2) (N)">Hex(5)HexNAc(2) (N)</option>
      <option value="Hex(5)HexNAc(2)Phos(1) (N)">Hex(5)HexNAc(2)Phos(1) (N)</option>
      <option value="Hex(5)HexNAc(3) (N)">Hex(5)HexNAc(3) (N)</option>
      <option value="Hex(5)HexNAc(3)Pent(1) (N)">Hex(5)HexNAc(3)Pent(1) (N)</option>
      <option value="Hex(5)HexNAc(4) (N)">Hex(5)HexNAc(4) (N)</option>
      <option value="Hex(5)HexNAc(4) (S)">Hex(5)HexNAc(4) (S)</option>
      <option value="Hex(5)HexNAc(4) (T)">Hex(5)HexNAc(4) (T)</option>
      <option value="Hex(5)HexNAc(4)Me(2)Pent(1) (N)">Hex(5)HexNAc(4)Me(2)Pent(1) (N)</option>
      <option value="Hex(5)HexNAc(4)NeuAc(1) (N)">Hex(5)HexNAc(4)NeuAc(1) (N)</option>
      <option value="Hex(5)HexNAc(4)NeuAc(1)Ac(1) (N)">Hex(5)HexNAc(4)NeuAc(1)Ac(1) (N)</option>
      <option value="Hex(5)HexNAc(4)NeuAc(1)Ac(2) (N)">Hex(5)HexNAc(4)NeuAc(1)Ac(2) (N)</option>
      <option value="Hex(5)HexNAc(4)NeuAc(1)Sulf(1) (N)">Hex(5)HexNAc(4)NeuAc(1)Sulf(1) (N)</option>
      <option value="Hex(5)HexNAc(4)NeuAc(2) (N)">Hex(5)HexNAc(4)NeuAc(2) (N)</option>
      <option value="Hex(5)HexNAc(4)NeuGc(1) (N)">Hex(5)HexNAc(4)NeuGc(1) (N)</option>
      <option value="Hex(5)HexNAc(4)Sulf(1) (N)">Hex(5)HexNAc(4)Sulf(1) (N)</option>
      <option value="Hex(5)HexNAc(5) (N)">Hex(5)HexNAc(5) (N)</option>
      <option value="Hex(5)HexNAc(5) (S)">Hex(5)HexNAc(5) (S)</option>
      <option value="Hex(5)HexNAc(5) (T)">Hex(5)HexNAc(5) (T)</option>
      <option value="Hex(5)Phos(1) (S)">Hex(5)Phos(1) (S)</option>
      <option value="Hex(5)Phos(1) (T)">Hex(5)Phos(1) (T)</option>
      <option value="Hex(5)Phos(3) (S)">Hex(5)Phos(3) (S)</option>
      <option value="Hex(5)Phos(3) (T)">Hex(5)Phos(3) (T)</option>
      <option value="Hex(6)HexNAc(1) (N)">Hex(6)HexNAc(1) (N)</option>
      <option value="Hex(6)HexNAc(2) (N)">Hex(6)HexNAc(2) (N)</option>
      <option value="Hex(6)HexNAc(2)Phos(1) (N)">Hex(6)HexNAc(2)Phos(1) (N)</option>
      <option value="Hex(6)HexNAc(3) (N)">Hex(6)HexNAc(3) (N)</option>
      <option value="Hex(6)HexNAc(3)Phos(1) (N)">Hex(6)HexNAc(3)Phos(1) (N)</option>
      <option value="Hex(6)HexNAc(4) (N)">Hex(6)HexNAc(4) (N)</option>
      <option value="Hex(6)HexNAc(4) (S)">Hex(6)HexNAc(4) (S)</option>
      <option value="Hex(6)HexNAc(4) (T)">Hex(6)HexNAc(4) (T)</option>
      <option value="Hex(6)HexNAc(4)Me(3) (N)">Hex(6)HexNAc(4)Me(3) (N)</option>
      <option value="Hex(6)HexNAc(4)Me(3)Pent(1) (N)">Hex(6)HexNAc(4)Me(3)Pent(1) (N)</option>
      <option value="Hex(6)HexNAc(5) (N)">Hex(6)HexNAc(5) (N)</option>
      <option value="Hex(6)Phos(1) (S)">Hex(6)Phos(1) (S)</option>
      <option value="Hex(6)Phos(1) (T)">Hex(6)Phos(1) (T)</option>
      <option value="Hex(6)Phos(3) (S)">Hex(6)Phos(3) (S)</option>
      <option value="Hex(6)Phos(3) (T)">Hex(6)Phos(3) (T)</option>
      <option value="Hex(7)HexNAc(1) (N)">Hex(7)HexNAc(1) (N)</option>
      <option value="Hex(7)HexNAc(2) (N)">Hex(7)HexNAc(2) (N)</option>
      <option value="Hex(7)HexNAc(2)Phos(1) (N)">Hex(7)HexNAc(2)Phos(1) (N)</option>
      <option value="Hex(7)HexNAc(2)Phos(2) (N)">Hex(7)HexNAc(2)Phos(2) (N)</option>
      <option value="Hex(7)HexNAc(3) (N)">Hex(7)HexNAc(3) (N)</option>
      <option value="Hex(7)HexNAc(3)Phos(1) (N)">Hex(7)HexNAc(3)Phos(1) (N)</option>
      <option value="Hex(7)HexNAc(4) (N)">Hex(7)HexNAc(4) (N)</option>
      <option value="Hex(7)Phos(3) (S)">Hex(7)Phos(3) (S)</option>
      <option value="Hex(7)Phos(3) (T)">Hex(7)Phos(3) (T)</option>
      <option value="Hex(8)HexNAc(1) (N)">Hex(8)HexNAc(1) (N)</option>
      <option value="Hex(8)HexNAc(2) (N)">Hex(8)HexNAc(2) (N)</option>
      <option value="Hex(8)Phos(3) (S)">Hex(8)Phos(3) (S)</option>
      <option value="Hex(8)Phos(3) (T)">Hex(8)Phos(3) (T)</option>
      <option value="Hex(9) (N)">Hex(9) (N)</option>
      <option value="Hex(9)HexNAc(1) (N)">Hex(9)HexNAc(1) (N)</option>
      <option value="Hex(9)HexNAc(2) (N)">Hex(9)HexNAc(2) (N)</option>
      <option value="Hex(9)Phos(3) (S)">Hex(9)Phos(3) (S)</option>
      <option value="Hex(9)Phos(3) (T)">Hex(9)Phos(3) (T)</option>
      <option value="HexA(2)HexNAc(3) (S)">HexA(2)HexNAc(3) (S)</option>
      <option value="HexA(2)HexNAc(3) (T)">HexA(2)HexNAc(3) (T)</option>
      <option value="HexN (K)">HexN (K)</option>
      <option value="HexN (N)">HexN (N)</option>
      <option value="HexN (S)">HexN (S)</option>
      <option value="HexN (T)">HexN (T)</option>
      <option value="HexN (W)">HexN (W)</option>
      <option value="HexNAc (C)">HexNAc (C)</option>
      <option value="HexNAc (N)">HexNAc (N)</option>
      <option value="HexNAc (S)">HexNAc (S)</option>
      <option value="HexNAc (T)">HexNAc (T)</option>
      <option value="HexNAc(1)dHex(1) (N)">HexNAc(1)dHex(1) (N)</option>
      <option value="HexNAc(1)dHex(1) (S)">HexNAc(1)dHex(1) (S)</option>
      <option value="HexNAc(1)dHex(1) (T)">HexNAc(1)dHex(1) (T)</option>
      <option value="HexNAc(1)dHex(2) (N)">HexNAc(1)dHex(2) (N)</option>
      <option value="HexNAc(1)Kdn(2) (S)">HexNAc(1)Kdn(2) (S)</option>
      <option value="HexNAc(1)Kdn(2) (T)">HexNAc(1)Kdn(2) (T)</option>
      <option value="HexNAc(1)NeuAc(1) (S)">HexNAc(1)NeuAc(1) (S)</option>
      <option value="HexNAc(1)NeuAc(1) (T)">HexNAc(1)NeuAc(1) (T)</option>
      <option value="HexNAc(1)NeuGc(1) (S)">HexNAc(1)NeuGc(1) (S)</option>
      <option value="HexNAc(1)NeuGc(1) (T)">HexNAc(1)NeuGc(1) (T)</option>
      <option value="HexNAc(1)NeuGc(2) (S)">HexNAc(1)NeuGc(2) (S)</option>
      <option value="HexNAc(1)NeuGc(2) (T)">HexNAc(1)NeuGc(2) (T)</option>
      <option value="HexNAc(2) (N)">HexNAc(2) (N)</option>
      <option value="HexNAc(2) (S)">HexNAc(2) (S)</option>
      <option value="HexNAc(2) (T)">HexNAc(2) (T)</option>
      <option value="HexNAc(2)dHex(1) (N)">HexNAc(2)dHex(1) (N)</option>
      <option value="HexNAc(2)dHex(2) (N)">HexNAc(2)dHex(2) (N)</option>
      <option value="HexNAc(2)NeuAc(1) (S)">HexNAc(2)NeuAc(1) (S)</option>
      <option value="HexNAc(2)NeuAc(1) (T)">HexNAc(2)NeuAc(1) (T)</option>
      <option value="HexNAc(2)NeuAc(1)Sulf(1) (S)">HexNAc(2)NeuAc(1)Sulf(1) (S)</option>
      <option value="HexNAc(2)NeuAc(1)Sulf(1) (T)">HexNAc(2)NeuAc(1)Sulf(1) (T)</option>
      <option value="HexNAc(2)NeuGc(1) (S)">HexNAc(2)NeuGc(1) (S)</option>
      <option value="HexNAc(2)NeuGc(1) (T)">HexNAc(2)NeuGc(1) (T)</option>
      <option value="HexNAc(2)Sulf(1) (S)">HexNAc(2)Sulf(1) (S)</option>
      <option value="HexNAc(2)Sulf(1) (T)">HexNAc(2)Sulf(1) (T)</option>
      <option value="HexNAc(3) (S)">HexNAc(3) (S)</option>
      <option value="HexNAc(3) (T)">HexNAc(3) (T)</option>
      <option value="HexNAc(3)Sulf(1) (S)">HexNAc(3)Sulf(1) (S)</option>
      <option value="HexNAc(3)Sulf(1) (T)">HexNAc(3)Sulf(1) (T)</option>
      <option value="HexNAc(4) (S)">HexNAc(4) (S)</option>
      <option value="HexNAc(4) (T)">HexNAc(4) (T)</option>
      <option value="HexNAc(5) (S)">HexNAc(5) (S)</option>
      <option value="HexNAc(5) (T)">HexNAc(5) (T)</option>
      <option value="His-&gt;Ala (H)">His-&gt;Ala (H)</option>
      <option value="His-&gt;Arg (H)">His-&gt;Arg (H)</option>
      <option value="His-&gt;Asn (H)">His-&gt;Asn (H)</option>
      <option value="His-&gt;Asp (H)">His-&gt;Asp (H)</option>
      <option value="His-&gt;Cys (H)">His-&gt;Cys (H)</option>
      <option value="His-&gt;Gln (H)">His-&gt;Gln (H)</option>
      <option value="His-&gt;Glu (H)">His-&gt;Glu (H)</option>
      <option value="His-&gt;Gly (H)">His-&gt;Gly (H)</option>
      <option value="His-&gt;Lys (H)">His-&gt;Lys (H)</option>
      <option value="His-&gt;Met (H)">His-&gt;Met (H)</option>
      <option value="His-&gt;Phe (H)">His-&gt;Phe (H)</option>
      <option value="His-&gt;Pro (H)">His-&gt;Pro (H)</option>
      <option value="His-&gt;Ser (H)">His-&gt;Ser (H)</option>
      <option value="His-&gt;Thr (H)">His-&gt;Thr (H)</option>
      <option value="His-&gt;Trp (H)">His-&gt;Trp (H)</option>
      <option value="His-&gt;Tyr (H)">His-&gt;Tyr (H)</option>
      <option value="His-&gt;Val (H)">His-&gt;Val (H)</option>
      <option value="His-&gt;Xle (H)">His-&gt;Xle (H)</option>
      <option value="HMVK (C)">HMVK (C)</option>
      <option value="HN2_mustard (C)">HN2_mustard (C)</option>
      <option value="HN2_mustard (H)">HN2_mustard (H)</option>
      <option value="HN2_mustard (K)">HN2_mustard (K)</option>
      <option value="HN3_mustard (C)">HN3_mustard (C)</option>
      <option value="HN3_mustard (H)">HN3_mustard (H)</option>
      <option value="HN3_mustard (K)">HN3_mustard (K)</option>
      <option value="HNE (A)">HNE (A)</option>
      <option value="HNE (C)">HNE (C)</option>
      <option value="HNE (H)">HNE (H)</option>
      <option value="HNE (K)">HNE (K)</option>
      <option value="HNE (L)">HNE (L)</option>
      <option value="HNE+Delta:H(2) (C)">HNE+Delta:H(2) (C)</option>
      <option value="HNE+Delta:H(2) (H)">HNE+Delta:H(2) (H)</option>
      <option value="HNE+Delta:H(2) (K)">HNE+Delta:H(2) (K)</option>
      <option value="HNE-BAHAH (C)">HNE-BAHAH (C)</option>
      <option value="HNE-BAHAH (H)">HNE-BAHAH (H)</option>
      <option value="HNE-BAHAH (K)">HNE-BAHAH (K)</option>
      <option value="HNE-Delta:H(2)O (C)">HNE-Delta:H(2)O (C)</option>
      <option value="HNE-Delta:H(2)O (H)">HNE-Delta:H(2)O (H)</option>
      <option value="HNE-Delta:H(2)O (K)">HNE-Delta:H(2)O (K)</option>
      <option value="Homocysteic_acid (M)">Homocysteic_acid (M)</option>
      <option value="HPG (R)">HPG (R)</option>
      <option value="Hydroxamic_acid (D)">Hydroxamic_acid (D)</option>
      <option value="Hydroxamic_acid (E)">Hydroxamic_acid (E)</option>
      <option value="Hydroxycinnamyl (C)">Hydroxycinnamyl (C)</option>
      <option value="Hydroxyfarnesyl (C)">Hydroxyfarnesyl (C)</option>
      <option value="Hydroxyheme (E)">Hydroxyheme (E)</option>
      <option value="hydroxyisobutyryl (K)">hydroxyisobutyryl (K)</option>
      <option value="Hydroxymethyl (N)">Hydroxymethyl (N)</option>
      <option value="HydroxymethylOP (K)">HydroxymethylOP (K)</option>
      <option value="Hydroxytrimethyl (K)">Hydroxytrimethyl (K)</option>
      <option value="Hypusine (K)">Hypusine (K)</option>
      <option value="IASD (C)">IASD (C)</option>
      <option value="IBTP (C)">IBTP (C)</option>
      <option value="ICAT-C (C)">ICAT-C (C)</option>
      <option value="ICAT-C:13C(9) (C)">ICAT-C:13C(9) (C)</option>
      <option value="ICAT-D (C)">ICAT-D (C)</option>
      <option value="ICAT-D:2H(8) (C)">ICAT-D:2H(8) (C)</option>
      <option value="ICAT-G (C)">ICAT-G (C)</option>
      <option value="ICAT-G:2H(8) (C)">ICAT-G:2H(8) (C)</option>
      <option value="ICAT-H (C)">ICAT-H (C)</option>
      <option value="ICAT-H:13C(6) (C)">ICAT-H:13C(6) (C)</option>
      <option value="ICDID (C)">ICDID (C)</option>
      <option value="ICDID:2H(6) (C)">ICDID:2H(6) (C)</option>
      <option value="ICPL (K)">ICPL (K)</option>
      <option value="ICPL (N-term)">ICPL (N-term)</option>
      <option value="ICPL (Protein N-term)">ICPL (Protein N-term)</option>
      <option value="ICPL:13C(6) (K)">ICPL:13C(6) (K)</option>
      <option value="ICPL:13C(6) (N-term)">ICPL:13C(6) (N-term)</option>
      <option value="ICPL:13C(6) (Protein N-term)">ICPL:13C(6) (Protein N-term)</option>
      <option value="ICPL:13C(6)2H(4) (K)">ICPL:13C(6)2H(4) (K)</option>
      <option value="ICPL:13C(6)2H(4) (N-term)">ICPL:13C(6)2H(4) (N-term)</option>
      <option value="ICPL:13C(6)2H(4) (Protein N-term)">ICPL:13C(6)2H(4) (Protein N-term)</option>
      <option value="ICPL:2H(4) (K)">ICPL:2H(4) (K)</option>
      <option value="ICPL:2H(4) (N-term)">ICPL:2H(4) (N-term)</option>
      <option value="ICPL:2H(4) (Protein N-term)">ICPL:2H(4) (Protein N-term)</option>
      <option value="IDEnT (C)">IDEnT (C)</option>
      <option value="IED-Biotin (C)">IED-Biotin (C)</option>
      <option value="IGBP (C)">IGBP (C)</option>
      <option value="IGBP:13C(2) (C)">IGBP:13C(2) (C)</option>
      <option value="IMEHex(2)NeuAc(1) (K)">IMEHex(2)NeuAc(1) (K)</option>
      <option value="IMID (K)">IMID (K)</option>
      <option value="IMID:2H(4) (K)">IMID:2H(4) (K)</option>
      <option value="Iminobiotin (K)">Iminobiotin (K)</option>
      <option value="Iminobiotin (N-term)">Iminobiotin (N-term)</option>
      <option value="Iodo (H)">Iodo (H)</option>
      <option value="Iodo (Y)">Iodo (Y)</option>
      <option value="Iodoacetanilide (C)">Iodoacetanilide (C)</option>
      <option value="Iodoacetanilide (K)">Iodoacetanilide (K)</option>
      <option value="Iodoacetanilide (N-term)">Iodoacetanilide (N-term)</option>
      <option value="Iodoacetanilide:13C(6) (C)">Iodoacetanilide:13C(6) (C)</option>
      <option value="Iodoacetanilide:13C(6) (K)">Iodoacetanilide:13C(6) (K)</option>
      <option value="Iodoacetanilide:13C(6) (N-term)">Iodoacetanilide:13C(6) (N-term)</option>
      <option value="iodoTMT (C)">iodoTMT (C)</option>
      <option value="iodoTMT (D)">iodoTMT (D)</option>
      <option value="iodoTMT (E)">iodoTMT (E)</option>
      <option value="iodoTMT (H)">iodoTMT (H)</option>
      <option value="iodoTMT (K)">iodoTMT (K)</option>
      <option value="iodoTMT6plex (C)">iodoTMT6plex (C)</option>
      <option value="iodoTMT6plex (D)">iodoTMT6plex (D)</option>
      <option value="iodoTMT6plex (E)">iodoTMT6plex (E)</option>
      <option value="iodoTMT6plex (H)">iodoTMT6plex (H)</option>
      <option value="iodoTMT6plex (K)">iodoTMT6plex (K)</option>
      <option value="IodoU-AMP (F)">IodoU-AMP (F)</option>
      <option value="IodoU-AMP (W)">IodoU-AMP (W)</option>
      <option value="IodoU-AMP (Y)">IodoU-AMP (Y)</option>
      <option value="ISD_z+2_ion (N-term)">ISD_z+2_ion (N-term)</option>
      <option value="Isopropylphospho (S)">Isopropylphospho (S)</option>
      <option value="Isopropylphospho (T)">Isopropylphospho (T)</option>
      <option value="Isopropylphospho (Y)">Isopropylphospho (Y)</option>
      <option value="iTRAQ4plex (C)">iTRAQ4plex (C)</option>
      <option value="iTRAQ4plex (H)">iTRAQ4plex (H)</option>
      <option value="iTRAQ4plex (K)">iTRAQ4plex (K)</option>
      <option value="iTRAQ4plex (N-term)">iTRAQ4plex (N-term)</option>
      <option value="iTRAQ4plex (Protein N-term)">iTRAQ4plex (Protein N-term)</option>
      <option value="iTRAQ4plex (S)">iTRAQ4plex (S)</option>
      <option value="iTRAQ4plex (T)">iTRAQ4plex (T)</option>
      <option value="iTRAQ4plex (Y)">iTRAQ4plex (Y)</option>
      <option value="iTRAQ4plex114 (C)">iTRAQ4plex114 (C)</option>
      <option value="iTRAQ4plex114 (K)">iTRAQ4plex114 (K)</option>
      <option value="iTRAQ4plex114 (N-term)">iTRAQ4plex114 (N-term)</option>
      <option value="iTRAQ4plex114 (Y)">iTRAQ4plex114 (Y)</option>
      <option value="iTRAQ4plex115 (C)">iTRAQ4plex115 (C)</option>
      <option value="iTRAQ4plex115 (K)">iTRAQ4plex115 (K)</option>
      <option value="iTRAQ4plex115 (N-term)">iTRAQ4plex115 (N-term)</option>
      <option value="iTRAQ4plex115 (Y)">iTRAQ4plex115 (Y)</option>
      <option value="iTRAQ8plex (C)">iTRAQ8plex (C)</option>
      <option value="iTRAQ8plex (H)">iTRAQ8plex (H)</option>
      <option value="iTRAQ8plex (K)">iTRAQ8plex (K)</option>
      <option value="iTRAQ8plex (N-term)">iTRAQ8plex (N-term)</option>
      <option value="iTRAQ8plex (Protein N-term)">iTRAQ8plex (Protein N-term)</option>
      <option value="iTRAQ8plex (S)">iTRAQ8plex (S)</option>
      <option value="iTRAQ8plex (T)">iTRAQ8plex (T)</option>
      <option value="iTRAQ8plex (Y)">iTRAQ8plex (Y)</option>
      <option value="iTRAQ8plex:13C(6)15N(2) (C)">iTRAQ8plex:13C(6)15N(2) (C)</option>
      <option value="iTRAQ8plex:13C(6)15N(2) (K)">iTRAQ8plex:13C(6)15N(2) (K)</option>
      <option value="iTRAQ8plex:13C(6)15N(2) (N-term)">iTRAQ8plex:13C(6)15N(2) (N-term)</option>
      <option value="iTRAQ8plex:13C(6)15N(2) (Y)">iTRAQ8plex:13C(6)15N(2) (Y)</option>
      <option value="Label:13C(1)2H(3) (M)">Label:13C(1)2H(3) (M)</option>
      <option value="Label:13C(1)2H(3)+Oxidation (M)">Label:13C(1)2H(3)+Oxidation (M)</option>
      <option value="Label:13C(2)15N(2) (K)">Label:13C(2)15N(2) (K)</option>
      <option value="Label:13C(3) (A)">Label:13C(3) (A)</option>
      <option value="Label:13C(3)15N(1) (A)">Label:13C(3)15N(1) (A)</option>
      <option value="Label:13C(4) (M)">Label:13C(4) (M)</option>
      <option value="Label:13C(4)+Oxidation (M)">Label:13C(4)+Oxidation (M)</option>
      <option value="Label:13C(4)15N(1) (D)">Label:13C(4)15N(1) (D)</option>
      <option value="Label:13C(4)15N(2)+GG (K)">Label:13C(4)15N(2)+GG (K)</option>
      <option value="Label:13C(5) (P)">Label:13C(5) (P)</option>
      <option value="Label:13C(5)15N(1) (E)">Label:13C(5)15N(1) (E)</option>
      <option value="Label:13C(5)15N(1) (M)">Label:13C(5)15N(1) (M)</option>
      <option value="Label:13C(5)15N(1) (P)">Label:13C(5)15N(1) (P)</option>
      <option value="Label:13C(5)15N(1) (V)">Label:13C(5)15N(1) (V)</option>
      <option value="Label:13C(6) (I)">Label:13C(6) (I)</option>
      <option value="Label:13C(6) (K)">Label:13C(6) (K)</option>
      <option value="Label:13C(6) (L)">Label:13C(6) (L)</option>
      <option value="Label:13C(6) (R)">Label:13C(6) (R)</option>
      <option value="Label:13C(6)+Acetyl (K)">Label:13C(6)+Acetyl (K)</option>
      <option value="Label:13C(6)+Dimethyl (K)">Label:13C(6)+Dimethyl (K)</option>
      <option value="Label:13C(6)+GG (K)">Label:13C(6)+GG (K)</option>
      <option value="Label:13C(6)15N(1) (I)">Label:13C(6)15N(1) (I)</option>
      <option value="Label:13C(6)15N(1) (L)">Label:13C(6)15N(1) (L)</option>
      <option value="Label:13C(6)15N(2) (K)">Label:13C(6)15N(2) (K)</option>
      <option value="Label:13C(6)15N(2)+Acetyl (K)">Label:13C(6)15N(2)+Acetyl (K)</option>
      <option value="Label:13C(6)15N(2)+Dimethyl (K)">Label:13C(6)15N(2)+Dimethyl (K)</option>
      <option value="Label:13C(6)15N(2)+GG (K)">Label:13C(6)15N(2)+GG (K)</option>
      <option value="Label:13C(6)15N(4) (R)">Label:13C(6)15N(4) (R)</option>
      <option value="Label:13C(6)15N(4)+Dimethyl (R)">Label:13C(6)15N(4)+Dimethyl (R)</option>
      <option value="Label:13C(6)15N(4)+Dimethyl:2H(6)13C(2) (R)">Label:13C(6)15N(4)+Dimethyl:2H(6)13C(2) (R)</option>
      <option value="Label:13C(6)15N(4)+Methyl (R)">Label:13C(6)15N(4)+Methyl (R)</option>
      <option value="Label:13C(6)15N(4)+Methyl:2H(3)13C(1) (R)">Label:13C(6)15N(4)+Methyl:2H(3)13C(1) (R)</option>
      <option value="Label:13C(9) (F)">Label:13C(9) (F)</option>
      <option value="Label:13C(9) (Y)">Label:13C(9) (Y)</option>
      <option value="Label:13C(9)+Phospho (Y)">Label:13C(9)+Phospho (Y)</option>
      <option value="Label:13C(9)15N(1) (F)">Label:13C(9)15N(1) (F)</option>
      <option value="Label:15N(1) (A)">Label:15N(1) (A)</option>
      <option value="Label:15N(1) (C)">Label:15N(1) (C)</option>
      <option value="Label:15N(1) (D)">Label:15N(1) (D)</option>
      <option value="Label:15N(1) (E)">Label:15N(1) (E)</option>
      <option value="Label:15N(1) (F)">Label:15N(1) (F)</option>
      <option value="Label:15N(1) (G)">Label:15N(1) (G)</option>
      <option value="Label:15N(1) (I)">Label:15N(1) (I)</option>
      <option value="Label:15N(1) (L)">Label:15N(1) (L)</option>
      <option value="Label:15N(1) (M)">Label:15N(1) (M)</option>
      <option value="Label:15N(1) (P)">Label:15N(1) (P)</option>
      <option value="Label:15N(1) (S)">Label:15N(1) (S)</option>
      <option value="Label:15N(1) (T)">Label:15N(1) (T)</option>
      <option value="Label:15N(1) (V)">Label:15N(1) (V)</option>
      <option value="Label:15N(1) (Y)">Label:15N(1) (Y)</option>
      <option value="Label:15N(2) (K)">Label:15N(2) (K)</option>
      <option value="Label:15N(2) (N)">Label:15N(2) (N)</option>
      <option value="Label:15N(2) (Q)">Label:15N(2) (Q)</option>
      <option value="Label:15N(2) (W)">Label:15N(2) (W)</option>
      <option value="Label:15N(2)2H(9) (K)">Label:15N(2)2H(9) (K)</option>
      <option value="Label:15N(3) (H)">Label:15N(3) (H)</option>
      <option value="Label:15N(4) (R)">Label:15N(4) (R)</option>
      <option value="Label:18O(1) (C-term)">Label:18O(1) (C-term)</option>
      <option value="Label:18O(1) (S)">Label:18O(1) (S)</option>
      <option value="Label:18O(1) (T)">Label:18O(1) (T)</option>
      <option value="Label:18O(1) (Y)">Label:18O(1) (Y)</option>
      <option value="Label:18O(2) (C-term)">Label:18O(2) (C-term)</option>
      <option value="Label:2H(10) (L)">Label:2H(10) (L)</option>
      <option value="Label:2H(3) (L)">Label:2H(3) (L)</option>
      <option value="Label:2H(3) (M)">Label:2H(3) (M)</option>
      <option value="Label:2H(3)+Oxidation (M)">Label:2H(3)+Oxidation (M)</option>
      <option value="Label:2H(4) (A)">Label:2H(4) (A)</option>
      <option value="Label:2H(4) (F)">Label:2H(4) (F)</option>
      <option value="Label:2H(4) (K)">Label:2H(4) (K)</option>
      <option value="Label:2H(4) (U)">Label:2H(4) (U)</option>
      <option value="Label:2H(4) (Y)">Label:2H(4) (Y)</option>
      <option value="Label:2H(4)+Acetyl (K)">Label:2H(4)+Acetyl (K)</option>
      <option value="Label:2H(4)+GG (K)">Label:2H(4)+GG (K)</option>
      <option value="Label:2H(4)13C(1) (R)">Label:2H(4)13C(1) (R)</option>
      <option value="Label:2H(6)15N(1) (P)">Label:2H(6)15N(1) (P)</option>
      <option value="Label:2H(7)15N(4) (R)">Label:2H(7)15N(4) (R)</option>
      <option value="Label:2H(9)13C(6)15N(2) (K)">Label:2H(9)13C(6)15N(2) (K)</option>
      <option value="lapachenole (C)">lapachenole (C)</option>
      <option value="Leu-&gt;MetOx (L)">Leu-&gt;MetOx (L)</option>
      <option value="LG-anhydrolactam (K)">LG-anhydrolactam (K)</option>
      <option value="LG-anhydrolactam (N-term)">LG-anhydrolactam (N-term)</option>
      <option value="LG-anhyropyrrole (K)">LG-anhyropyrrole (K)</option>
      <option value="LG-anhyropyrrole (N-term)">LG-anhyropyrrole (N-term)</option>
      <option value="LG-Hlactam-K (K)">LG-Hlactam-K (K)</option>
      <option value="LG-Hlactam-K (Protein N-term)">LG-Hlactam-K (Protein N-term)</option>
      <option value="LG-Hlactam-R (R)">LG-Hlactam-R (R)</option>
      <option value="LG-lactam-K (K)">LG-lactam-K (K)</option>
      <option value="LG-lactam-K (Protein N-term)">LG-lactam-K (Protein N-term)</option>
      <option value="LG-lactam-R (R)">LG-lactam-R (R)</option>
      <option value="LG-pyrrole (K)">LG-pyrrole (K)</option>
      <option value="LG-pyrrole (N-term)">LG-pyrrole (N-term)</option>
      <option value="Lipoyl (K)">Lipoyl (K)</option>
      <option value="LRGG (K)">LRGG (K)</option>
      <option value="LRGG+dimethyl (K)">LRGG+dimethyl (K)</option>
      <option value="LRGG+methyl (K)">LRGG+methyl (K)</option>
      <option value="Lys (N-term)">Lys (N-term)</option>
      <option value="Lys-&gt;Ala (K)">Lys-&gt;Ala (K)</option>
      <option value="Lys-&gt;Allysine (K)">Lys-&gt;Allysine (K)</option>
      <option value="Lys-&gt;AminoadipicAcid (K)">Lys-&gt;AminoadipicAcid (K)</option>
      <option value="Lys-&gt;Arg (K)">Lys-&gt;Arg (K)</option>
      <option value="Lys-&gt;Asn (K)">Lys-&gt;Asn (K)</option>
      <option value="Lys-&gt;Asp (K)">Lys-&gt;Asp (K)</option>
      <option value="Lys-&gt;CamCys (K)">Lys-&gt;CamCys (K)</option>
      <option value="Lys-&gt;Cys (K)">Lys-&gt;Cys (K)</option>
      <option value="Lys-&gt;Gln (K)">Lys-&gt;Gln (K)</option>
      <option value="Lys-&gt;Glu (K)">Lys-&gt;Glu (K)</option>
      <option value="Lys-&gt;Gly (K)">Lys-&gt;Gly (K)</option>
      <option value="Lys-&gt;His (K)">Lys-&gt;His (K)</option>
      <option value="Lys-&gt;Met (K)">Lys-&gt;Met (K)</option>
      <option value="Lys-&gt;MetOx (K)">Lys-&gt;MetOx (K)</option>
      <option value="Lys-&gt;Phe (K)">Lys-&gt;Phe (K)</option>
      <option value="Lys-&gt;Pro (K)">Lys-&gt;Pro (K)</option>
      <option value="Lys-&gt;Ser (K)">Lys-&gt;Ser (K)</option>
      <option value="Lys-&gt;Thr (K)">Lys-&gt;Thr (K)</option>
      <option value="Lys-&gt;Trp (K)">Lys-&gt;Trp (K)</option>
      <option value="Lys-&gt;Tyr (K)">Lys-&gt;Tyr (K)</option>
      <option value="Lys-&gt;Val (K)">Lys-&gt;Val (K)</option>
      <option value="Lys-&gt;Xle (K)">Lys-&gt;Xle (K)</option>
      <option value="Lys-loss (Protein C-term K)">Lys-loss (Protein C-term K)</option>
      <option value="Lysbiotinhydrazide (K)">Lysbiotinhydrazide (K)</option>
      <option value="maleimide (C)">maleimide (C)</option>
      <option value="maleimide (K)">maleimide (K)</option>
      <option value="Maleimide-PEO2-Biotin (C)">Maleimide-PEO2-Biotin (C)</option>
      <option value="maleimide3 (C)">maleimide3 (C)</option>
      <option value="maleimide3 (K)">maleimide3 (K)</option>
      <option value="maleimide5 (C)">maleimide5 (C)</option>
      <option value="maleimide5 (K)">maleimide5 (K)</option>
      <option value="Malonyl (C)">Malonyl (C)</option>
      <option value="Malonyl (K)">Malonyl (K)</option>
      <option value="Malonyl (S)">Malonyl (S)</option>
      <option value="MDCC (C)">MDCC (C)</option>
      <option value="MeMePhosphorothioate (S)">MeMePhosphorothioate (S)</option>
      <option value="Menadione (C)">Menadione (C)</option>
      <option value="Menadione (K)">Menadione (K)</option>
      <option value="Menadione-HQ (C)">Menadione-HQ (C)</option>
      <option value="Menadione-HQ (K)">Menadione-HQ (K)</option>
      <option value="MercaptoEthanol (S)">MercaptoEthanol (S)</option>
      <option value="MercaptoEthanol (T)">MercaptoEthanol (T)</option>
      <option value="MesitylOxide (H)">MesitylOxide (H)</option>
      <option value="MesitylOxide (K)">MesitylOxide (K)</option>
      <option value="MesitylOxide (Protein N-term)">MesitylOxide (Protein N-term)</option>
      <option value="Met-&gt;Aha (M)">Met-&gt;Aha (M)</option>
      <option value="Met-&gt;Ala (M)">Met-&gt;Ala (M)</option>
      <option value="Met-&gt;Arg (M)">Met-&gt;Arg (M)</option>
      <option value="Met-&gt;Asn (M)">Met-&gt;Asn (M)</option>
      <option value="Met-&gt;Asp (M)">Met-&gt;Asp (M)</option>
      <option value="Met-&gt;AspSA (M)">Met-&gt;AspSA (M)</option>
      <option value="Met-&gt;Cys (M)">Met-&gt;Cys (M)</option>
      <option value="Met-&gt;Gln (M)">Met-&gt;Gln (M)</option>
      <option value="Met-&gt;Glu (M)">Met-&gt;Glu (M)</option>
      <option value="Met-&gt;Gly (M)">Met-&gt;Gly (M)</option>
      <option value="Met-&gt;His (M)">Met-&gt;His (M)</option>
      <option value="Met-&gt;Hpg (M)">Met-&gt;Hpg (M)</option>
      <option value="Met-&gt;Hse (C-term M)">Met-&gt;Hse (C-term M)</option>
      <option value="Met-&gt;Hsl (C-term M)">Met-&gt;Hsl (C-term M)</option>
      <option value="Met-&gt;Lys (M)">Met-&gt;Lys (M)</option>
      <option value="Met-&gt;Phe (M)">Met-&gt;Phe (M)</option>
      <option value="Met-&gt;Pro (M)">Met-&gt;Pro (M)</option>
      <option value="Met-&gt;Ser (M)">Met-&gt;Ser (M)</option>
      <option value="Met-&gt;Thr (M)">Met-&gt;Thr (M)</option>
      <option value="Met-&gt;Trp (M)">Met-&gt;Trp (M)</option>
      <option value="Met-&gt;Tyr (M)">Met-&gt;Tyr (M)</option>
      <option value="Met-&gt;Val (M)">Met-&gt;Val (M)</option>
      <option value="Met-&gt;Xle (M)">Met-&gt;Xle (M)</option>
      <option value="Met-loss (Protein N-term M)">Met-loss (Protein N-term M)</option>
      <option value="Met-loss+Acetyl (Protein N-term M)">Met-loss+Acetyl (Protein N-term M)</option>
      <option value="Methamidophos-O (C)">Methamidophos-O (C)</option>
      <option value="Methamidophos-O (H)">Methamidophos-O (H)</option>
      <option value="Methamidophos-O (K)">Methamidophos-O (K)</option>
      <option value="Methamidophos-O (S)">Methamidophos-O (S)</option>
      <option value="Methamidophos-O (T)">Methamidophos-O (T)</option>
      <option value="Methamidophos-O (Y)">Methamidophos-O (Y)</option>
      <option value="Methamidophos-S (C)">Methamidophos-S (C)</option>
      <option value="Methamidophos-S (H)">Methamidophos-S (H)</option>
      <option value="Methamidophos-S (K)">Methamidophos-S (K)</option>
      <option value="Methamidophos-S (S)">Methamidophos-S (S)</option>
      <option value="Methamidophos-S (T)">Methamidophos-S (T)</option>
      <option value="Methamidophos-S (Y)">Methamidophos-S (Y)</option>
      <option value="Methyl (C)">Methyl (C)</option>
      <option value="Methyl (C-term)">Methyl (C-term)</option>
      <option value="Methyl (D)">Methyl (D)</option>
      <option value="Methyl (E)">Methyl (E)</option>
      <option value="Methyl (H)">Methyl (H)</option>
      <option value="Methyl (I)">Methyl (I)</option>
      <option value="Methyl (K)">Methyl (K)</option>
      <option value="Methyl (L)">Methyl (L)</option>
      <option value="Methyl (N)">Methyl (N)</option>
      <option value="Methyl (N-term)">Methyl (N-term)</option>
      <option value="Methyl (Protein N-term)">Methyl (Protein N-term)</option>
      <option value="Methyl (Q)">Methyl (Q)</option>
      <option value="Methyl (R)">Methyl (R)</option>
      <option value="Methyl (S)">Methyl (S)</option>
      <option value="Methyl (T)">Methyl (T)</option>
      <option value="Methyl+Acetyl:2H(3) (K)">Methyl+Acetyl:2H(3) (K)</option>
      <option value="Methyl+Deamidated (N)">Methyl+Deamidated (N)</option>
      <option value="Methyl+Deamidated (Q)">Methyl+Deamidated (Q)</option>
      <option value="Methyl-PEO12-Maleimide (C)">Methyl-PEO12-Maleimide (C)</option>
      <option value="Methyl:2H(2) (K)">Methyl:2H(2) (K)</option>
      <option value="Methyl:2H(2) (N-term)">Methyl:2H(2) (N-term)</option>
      <option value="Methyl:2H(2)13C (C)">Methyl:2H(2)13C (C)</option>
      <option value="Methyl:2H(2)13C (C-term)">Methyl:2H(2)13C (C-term)</option>
      <option value="Methyl:2H(2)13C (D)">Methyl:2H(2)13C (D)</option>
      <option value="Methyl:2H(2)13C (E)">Methyl:2H(2)13C (E)</option>
      <option value="Methyl:2H(2)13C (H)">Methyl:2H(2)13C (H)</option>
      <option value="Methyl:2H(2)13C (I)">Methyl:2H(2)13C (I)</option>
      <option value="Methyl:2H(2)13C (K)">Methyl:2H(2)13C (K)</option>
      <option value="Methyl:2H(2)13C (L)">Methyl:2H(2)13C (L)</option>
      <option value="Methyl:2H(2)13C (N)">Methyl:2H(2)13C (N)</option>
      <option value="Methyl:2H(2)13C (N-term)">Methyl:2H(2)13C (N-term)</option>
      <option value="Methyl:2H(2)13C (Protein N-term)">Methyl:2H(2)13C (Protein N-term)</option>
      <option value="Methyl:2H(2)13C (Q)">Methyl:2H(2)13C (Q)</option>
      <option value="Methyl:2H(2)13C (R)">Methyl:2H(2)13C (R)</option>
      <option value="Methyl:2H(2)13C (S)">Methyl:2H(2)13C (S)</option>
      <option value="Methyl:2H(2)13C (T)">Methyl:2H(2)13C (T)</option>
      <option value="Methyl:2H(3) (D)">Methyl:2H(3) (D)</option>
      <option value="Methyl:2H(3) (E)">Methyl:2H(3) (E)</option>
      <option value="Methyl:2H(3) (K)">Methyl:2H(3) (K)</option>
      <option value="Methyl:2H(3) (R)">Methyl:2H(3) (R)</option>
      <option value="Methyl:2H(3) (X)">Methyl:2H(3) (X)</option>
      <option value="Methyl:2H(3)+Acetyl:2H(3) (K)">Methyl:2H(3)+Acetyl:2H(3) (K)</option>
      <option value="Methyl:2H(3)13C(1) (K)">Methyl:2H(3)13C(1) (K)</option>
      <option value="Methyl:2H(3)13C(1) (N-term)">Methyl:2H(3)13C(1) (N-term)</option>
      <option value="Methyl:2H(3)13C(1) (R)">Methyl:2H(3)13C(1) (R)</option>
      <option value="Methylamine (S)">Methylamine (S)</option>
      <option value="Methylamine (T)">Methylamine (T)</option>
      <option value="Methylmalonylation (S)">Methylmalonylation (S)</option>
      <option value="methylol (K)">methylol (K)</option>
      <option value="methylol (W)">methylol (W)</option>
      <option value="methylol (Y)">methylol (Y)</option>
      <option value="Methylphosphonate (S)">Methylphosphonate (S)</option>
      <option value="Methylphosphonate (T)">Methylphosphonate (T)</option>
      <option value="Methylphosphonate (Y)">Methylphosphonate (Y)</option>
      <option value="Methylpyrroline (K)">Methylpyrroline (K)</option>
      <option value="methylsulfonylethyl (C)">methylsulfonylethyl (C)</option>
      <option value="methylsulfonylethyl (H)">methylsulfonylethyl (H)</option>
      <option value="methylsulfonylethyl (K)">methylsulfonylethyl (K)</option>
      <option value="Methylthio (C)">Methylthio (C)</option>
      <option value="Methylthio (D)">Methylthio (D)</option>
      <option value="Methylthio (K)">Methylthio (K)</option>
      <option value="Methylthio (N)">Methylthio (N)</option>
      <option value="Methylthio (N-term)">Methylthio (N-term)</option>
      <option value="MG-H1 (R)">MG-H1 (R)</option>
      <option value="Microcin (Protein C-term)">Microcin (Protein C-term)</option>
      <option value="MicrocinC7 (Protein C-term)">MicrocinC7 (Protein C-term)</option>
      <option value="MM-diphenylpentanone (C)">MM-diphenylpentanone (C)</option>
      <option value="Molybdopterin (C)">Molybdopterin (C)</option>
      <option value="MolybdopterinGD (C)">MolybdopterinGD (C)</option>
      <option value="MolybdopterinGD (D)">MolybdopterinGD (D)</option>
      <option value="MolybdopterinGD (U)">MolybdopterinGD (U)</option>
      <option value="MolybdopterinGD+Delta:S(-1)Se(1) (C)">MolybdopterinGD+Delta:S(-1)Se(1) (C)</option>
      <option value="monomethylphosphothione (C)">monomethylphosphothione (C)</option>
      <option value="monomethylphosphothione (H)">monomethylphosphothione (H)</option>
      <option value="monomethylphosphothione (K)">monomethylphosphothione (K)</option>
      <option value="monomethylphosphothione (S)">monomethylphosphothione (S)</option>
      <option value="monomethylphosphothione (T)">monomethylphosphothione (T)</option>
      <option value="monomethylphosphothione (Y)">monomethylphosphothione (Y)</option>
      <option value="mTRAQ (H)">mTRAQ (H)</option>
      <option value="mTRAQ (K)">mTRAQ (K)</option>
      <option value="mTRAQ (N-term)">mTRAQ (N-term)</option>
      <option value="mTRAQ (S)">mTRAQ (S)</option>
      <option value="mTRAQ (T)">mTRAQ (T)</option>
      <option value="mTRAQ (Y)">mTRAQ (Y)</option>
      <option value="mTRAQ:13C(3)15N(1) (H)">mTRAQ:13C(3)15N(1) (H)</option>
      <option value="mTRAQ:13C(3)15N(1) (K)">mTRAQ:13C(3)15N(1) (K)</option>
      <option value="mTRAQ:13C(3)15N(1) (N-term)">mTRAQ:13C(3)15N(1) (N-term)</option>
      <option value="mTRAQ:13C(3)15N(1) (S)">mTRAQ:13C(3)15N(1) (S)</option>
      <option value="mTRAQ:13C(3)15N(1) (T)">mTRAQ:13C(3)15N(1) (T)</option>
      <option value="mTRAQ:13C(3)15N(1) (Y)">mTRAQ:13C(3)15N(1) (Y)</option>
      <option value="mTRAQ:13C(6)15N(2) (H)">mTRAQ:13C(6)15N(2) (H)</option>
      <option value="mTRAQ:13C(6)15N(2) (K)">mTRAQ:13C(6)15N(2) (K)</option>
      <option value="mTRAQ:13C(6)15N(2) (N-term)">mTRAQ:13C(6)15N(2) (N-term)</option>
      <option value="mTRAQ:13C(6)15N(2) (S)">mTRAQ:13C(6)15N(2) (S)</option>
      <option value="mTRAQ:13C(6)15N(2) (T)">mTRAQ:13C(6)15N(2) (T)</option>
      <option value="mTRAQ:13C(6)15N(2) (Y)">mTRAQ:13C(6)15N(2) (Y)</option>
      <option value="MTSL (C)">MTSL (C)</option>
      <option value="MurNAc (A)">MurNAc (A)</option>
      <option value="Myristoleyl (Protein N-term G)">Myristoleyl (Protein N-term G)</option>
      <option value="Myristoyl (C)">Myristoyl (C)</option>
      <option value="Myristoyl (K)">Myristoyl (K)</option>
      <option value="Myristoyl (N-term G)">Myristoyl (N-term G)</option>
      <option value="Myristoyl+Delta:H(-4) (Protein N-term G)">Myristoyl+Delta:H(-4) (Protein N-term G)</option>
      <option value="N-dimethylphosphate (S)">N-dimethylphosphate (S)</option>
      <option value="NA-LNO2 (C)">NA-LNO2 (C)</option>
      <option value="NA-LNO2 (H)">NA-LNO2 (H)</option>
      <option value="NA-OA-NO2 (C)">NA-OA-NO2 (C)</option>
      <option value="NA-OA-NO2 (H)">NA-OA-NO2 (H)</option>
      <option value="NBS (W)">NBS (W)</option>
      <option value="NBS:13C(6) (W)">NBS:13C(6) (W)</option>
      <option value="NDA (K)">NDA (K)</option>
      <option value="NDA (N-term)">NDA (N-term)</option>
      <option value="NEIAA (C)">NEIAA (C)</option>
      <option value="NEIAA (Y)">NEIAA (Y)</option>
      <option value="NEIAA:2H(5) (C)">NEIAA:2H(5) (C)</option>
      <option value="NEIAA:2H(5) (Y)">NEIAA:2H(5) (Y)</option>
      <option value="NEM:2H(5) (C)">NEM:2H(5) (C)</option>
      <option value="NEM:2H(5)+H2O (C)">NEM:2H(5)+H2O (C)</option>
      <option value="NEMsulfur (C)">NEMsulfur (C)</option>
      <option value="NEMsulfurWater (C)">NEMsulfurWater (C)</option>
      <option value="Nethylmaleimide (C)">Nethylmaleimide (C)</option>
      <option value="Nethylmaleimide+water (C)">Nethylmaleimide+water (C)</option>
      <option value="Nethylmaleimide+water (K)">Nethylmaleimide+water (K)</option>
      <option value="NeuAc (N)">NeuAc (N)</option>
      <option value="NeuAc (S)">NeuAc (S)</option>
      <option value="NeuAc (T)">NeuAc (T)</option>
      <option value="NeuGc (N)">NeuGc (N)</option>
      <option value="NeuGc (S)">NeuGc (S)</option>
      <option value="NeuGc (T)">NeuGc (T)</option>
      <option value="NHS-fluorescein (K)">NHS-fluorescein (K)</option>
      <option value="NHS-LC-Biotin (K)">NHS-LC-Biotin (K)</option>
      <option value="NHS-LC-Biotin (N-term)">NHS-LC-Biotin (N-term)</option>
      <option value="NIC (K)">NIC (K)</option>
      <option value="NIC (N-term)">NIC (N-term)</option>
      <option value="NIPCAM (C)">NIPCAM (C)</option>
      <option value="Nitrene (Y)">Nitrene (Y)</option>
      <option value="Nitro (F)">Nitro (F)</option>
      <option value="Nitro (W)">Nitro (W)</option>
      <option value="Nitro (Y)">Nitro (Y)</option>
      <option value="Nitrosyl (C)">Nitrosyl (C)</option>
      <option value="Nitrosyl (Y)">Nitrosyl (Y)</option>
      <option value="Nmethylmaleimide (C)">Nmethylmaleimide (C)</option>
      <option value="Nmethylmaleimide (K)">Nmethylmaleimide (K)</option>
      <option value="Nmethylmaleimide+water (C)">Nmethylmaleimide+water (C)</option>
      <option value="NO_SMX_SEMD (C)">NO_SMX_SEMD (C)</option>
      <option value="NO_SMX_SIMD (C)">NO_SMX_SIMD (C)</option>
      <option value="NO_SMX_SMCT (C)">NO_SMX_SMCT (C)</option>
      <option value="NP40 (N-term)">NP40 (N-term)</option>
      <option value="NQIGG (K)">NQIGG (K)</option>
      <option value="O-Dimethylphosphate (S)">O-Dimethylphosphate (S)</option>
      <option value="O-Dimethylphosphate (T)">O-Dimethylphosphate (T)</option>
      <option value="O-Dimethylphosphate (Y)">O-Dimethylphosphate (Y)</option>
      <option value="O-Et-N-diMePhospho (S)">O-Et-N-diMePhospho (S)</option>
      <option value="O-Isopropylmethylphosphonate (S)">O-Isopropylmethylphosphonate (S)</option>
      <option value="O-Isopropylmethylphosphonate (T)">O-Isopropylmethylphosphonate (T)</option>
      <option value="O-Isopropylmethylphosphonate (Y)">O-Isopropylmethylphosphonate (Y)</option>
      <option value="O-Methylphosphate (S)">O-Methylphosphate (S)</option>
      <option value="O-Methylphosphate (T)">O-Methylphosphate (T)</option>
      <option value="O-Methylphosphate (Y)">O-Methylphosphate (Y)</option>
      <option value="O-pinacolylmethylphosphonate (H)">O-pinacolylmethylphosphonate (H)</option>
      <option value="O-pinacolylmethylphosphonate (K)">O-pinacolylmethylphosphonate (K)</option>
      <option value="O-pinacolylmethylphosphonate (S)">O-pinacolylmethylphosphonate (S)</option>
      <option value="O-pinacolylmethylphosphonate (T)">O-pinacolylmethylphosphonate (T)</option>
      <option value="O-pinacolylmethylphosphonate (Y)">O-pinacolylmethylphosphonate (Y)</option>
      <option value="Octanoyl (C)">Octanoyl (C)</option>
      <option value="Octanoyl (S)">Octanoyl (S)</option>
      <option value="Octanoyl (T)">Octanoyl (T)</option>
      <option value="OxArgBiotin (R)">OxArgBiotin (R)</option>
      <option value="OxArgBiotinRed (R)">OxArgBiotinRed (R)</option>
      <option value="Oxidation (C)">Oxidation (C)</option>
      <option value="Oxidation (C-term G)">Oxidation (C-term G)</option>
      <option value="Oxidation (D)">Oxidation (D)</option>
      <option value="Oxidation (E)">Oxidation (E)</option>
      <option value="Oxidation (F)">Oxidation (F)</option>
      <option value="Oxidation (H)">Oxidation (H)</option>
      <option value="Oxidation (I)">Oxidation (I)</option>
      <option value="Oxidation (K)">Oxidation (K)</option>
      <option value="Oxidation (L)">Oxidation (L)</option>
      <option value="Oxidation (M)">Oxidation (M)</option>
      <option value="Oxidation (N)">Oxidation (N)</option>
      <option value="Oxidation (P)">Oxidation (P)</option>
      <option value="Oxidation (Q)">Oxidation (Q)</option>
      <option value="Oxidation (R)">Oxidation (R)</option>
      <option value="Oxidation (S)">Oxidation (S)</option>
      <option value="Oxidation (T)">Oxidation (T)</option>
      <option value="Oxidation (U)">Oxidation (U)</option>
      <option value="Oxidation (V)">Oxidation (V)</option>
      <option value="Oxidation (W)">Oxidation (W)</option>
      <option value="Oxidation (Y)">Oxidation (Y)</option>
      <option value="Oxidation+NEM (C)">Oxidation+NEM (C)</option>
      <option value="OxLysBiotin (K)">OxLysBiotin (K)</option>
      <option value="OxLysBiotinRed (K)">OxLysBiotinRed (K)</option>
      <option value="OxProBiotin (P)">OxProBiotin (P)</option>
      <option value="OxProBiotinRed (P)">OxProBiotinRed (P)</option>
      <option value="Palmitoleyl (C)">Palmitoleyl (C)</option>
      <option value="Palmitoleyl (S)">Palmitoleyl (S)</option>
      <option value="Palmitoleyl (T)">Palmitoleyl (T)</option>
      <option value="Palmitoyl (C)">Palmitoyl (C)</option>
      <option value="Palmitoyl (K)">Palmitoyl (K)</option>
      <option value="Palmitoyl (Protein N-term)">Palmitoyl (Protein N-term)</option>
      <option value="Palmitoyl (S)">Palmitoyl (S)</option>
      <option value="Palmitoyl (T)">Palmitoyl (T)</option>
      <option value="PEITC (C)">PEITC (C)</option>
      <option value="PEITC (K)">PEITC (K)</option>
      <option value="PEITC (N-term)">PEITC (N-term)</option>
      <option value="Pent(1)HexNAc(1) (S)">Pent(1)HexNAc(1) (S)</option>
      <option value="Pent(1)HexNAc(1) (T)">Pent(1)HexNAc(1) (T)</option>
      <option value="Pent(2) (S)">Pent(2) (S)</option>
      <option value="Pent(2) (T)">Pent(2) (T)</option>
      <option value="Pentose (S)">Pentose (S)</option>
      <option value="Pentose (T)">Pentose (T)</option>
      <option value="Pentylamine (Q)">Pentylamine (Q)</option>
      <option value="PEO-Iodoacetyl-LC-Biotin (C)">PEO-Iodoacetyl-LC-Biotin (C)</option>
      <option value="PET (S)">PET (S)</option>
      <option value="PET (T)">PET (T)</option>
      <option value="Phe-&gt;Ala (F)">Phe-&gt;Ala (F)</option>
      <option value="Phe-&gt;Arg (F)">Phe-&gt;Arg (F)</option>
      <option value="Phe-&gt;Asn (F)">Phe-&gt;Asn (F)</option>
      <option value="Phe-&gt;Asp (F)">Phe-&gt;Asp (F)</option>
      <option value="Phe-&gt;CamCys (F)">Phe-&gt;CamCys (F)</option>
      <option value="Phe-&gt;Cys (F)">Phe-&gt;Cys (F)</option>
      <option value="Phe-&gt;Gln (F)">Phe-&gt;Gln (F)</option>
      <option value="Phe-&gt;Glu (F)">Phe-&gt;Glu (F)</option>
      <option value="Phe-&gt;Gly (F)">Phe-&gt;Gly (F)</option>
      <option value="Phe-&gt;His (F)">Phe-&gt;His (F)</option>
      <option value="Phe-&gt;Lys (F)">Phe-&gt;Lys (F)</option>
      <option value="Phe-&gt;Met (F)">Phe-&gt;Met (F)</option>
      <option value="Phe-&gt;Pro (F)">Phe-&gt;Pro (F)</option>
      <option value="Phe-&gt;Ser (F)">Phe-&gt;Ser (F)</option>
      <option value="Phe-&gt;Thr (F)">Phe-&gt;Thr (F)</option>
      <option value="Phe-&gt;Trp (F)">Phe-&gt;Trp (F)</option>
      <option value="Phe-&gt;Tyr (F)">Phe-&gt;Tyr (F)</option>
      <option value="Phe-&gt;Val (F)">Phe-&gt;Val (F)</option>
      <option value="Phe-&gt;Xle (F)">Phe-&gt;Xle (F)</option>
      <option value="Phenylisocyanate (N-term)">Phenylisocyanate (N-term)</option>
      <option value="Phenylisocyanate:2H(5) (N-term)">Phenylisocyanate:2H(5) (N-term)</option>
      <option value="phenylsulfonylethyl (C)">phenylsulfonylethyl (C)</option>
      <option value="Phospho (C)">Phospho (C)</option>
      <option value="Phospho (D)">Phospho (D)</option>
      <option value="Phospho (E)">Phospho (E)</option>
      <option value="Phospho (H)">Phospho (H)</option>
      <option value="Phospho (K)">Phospho (K)</option>
      <option value="Phospho (R)">Phospho (R)</option>
      <option value="Phospho (S)">Phospho (S)</option>
      <option value="Phospho (T)">Phospho (T)</option>
      <option value="Phospho (Y)">Phospho (Y)</option>
      <option value="Phosphoadenosine (H)">Phosphoadenosine (H)</option>
      <option value="Phosphoadenosine (K)">Phosphoadenosine (K)</option>
      <option value="Phosphoadenosine (T)">Phosphoadenosine (T)</option>
      <option value="Phosphoadenosine (Y)">Phosphoadenosine (Y)</option>
      <option value="PhosphoCytidine (S)">PhosphoCytidine (S)</option>
      <option value="PhosphoCytidine (T)">PhosphoCytidine (T)</option>
      <option value="PhosphoCytidine (Y)">PhosphoCytidine (Y)</option>
      <option value="Phosphogluconoylation (K)">Phosphogluconoylation (K)</option>
      <option value="Phosphogluconoylation (N-term)">Phosphogluconoylation (N-term)</option>
      <option value="Phosphoguanosine (H)">Phosphoguanosine (H)</option>
      <option value="Phosphoguanosine (K)">Phosphoguanosine (K)</option>
      <option value="PhosphoHex (S)">PhosphoHex (S)</option>
      <option value="PhosphoHex (T)">PhosphoHex (T)</option>
      <option value="PhosphoHex(2) (N)">PhosphoHex(2) (N)</option>
      <option value="PhosphoHex(2) (S)">PhosphoHex(2) (S)</option>
      <option value="PhosphoHex(2) (T)">PhosphoHex(2) (T)</option>
      <option value="PhosphoHexNAc (S)">PhosphoHexNAc (S)</option>
      <option value="PhosphoHexNAc (T)">PhosphoHexNAc (T)</option>
      <option value="Phosphopantetheine (S)">Phosphopantetheine (S)</option>
      <option value="Phosphopropargyl (S)">Phosphopropargyl (S)</option>
      <option value="Phosphopropargyl (T)">Phosphopropargyl (T)</option>
      <option value="Phosphopropargyl (Y)">Phosphopropargyl (Y)</option>
      <option value="phosphoRibosyl (D)">phosphoRibosyl (D)</option>
      <option value="phosphoRibosyl (E)">phosphoRibosyl (E)</option>
      <option value="phosphoRibosyl (R)">phosphoRibosyl (R)</option>
      <option value="PhosphoribosyldephosphoCoA (S)">PhosphoribosyldephosphoCoA (S)</option>
      <option value="PhosphoUridine (H)">PhosphoUridine (H)</option>
      <option value="PhosphoUridine (Y)">PhosphoUridine (Y)</option>
      <option value="Phycocyanobilin (C)">Phycocyanobilin (C)</option>
      <option value="Phycoerythrobilin (C)">Phycoerythrobilin (C)</option>
      <option value="Phytochromobilin (C)">Phytochromobilin (C)</option>
      <option value="Piperidine (K)">Piperidine (K)</option>
      <option value="Piperidine (N-term)">Piperidine (N-term)</option>
      <option value="Pro-&gt;Ala (P)">Pro-&gt;Ala (P)</option>
      <option value="Pro-&gt;Arg (P)">Pro-&gt;Arg (P)</option>
      <option value="Pro-&gt;Asn (P)">Pro-&gt;Asn (P)</option>
      <option value="Pro-&gt;Asp (P)">Pro-&gt;Asp (P)</option>
      <option value="Pro-&gt;Cys (P)">Pro-&gt;Cys (P)</option>
      <option value="Pro-&gt;Gln (P)">Pro-&gt;Gln (P)</option>
      <option value="Pro-&gt;Glu (P)">Pro-&gt;Glu (P)</option>
      <option value="Pro-&gt;Gly (P)">Pro-&gt;Gly (P)</option>
      <option value="Pro-&gt;HAVA (P)">Pro-&gt;HAVA (P)</option>
      <option value="Pro-&gt;His (P)">Pro-&gt;His (P)</option>
      <option value="Pro-&gt;Lys (P)">Pro-&gt;Lys (P)</option>
      <option value="Pro-&gt;Met (P)">Pro-&gt;Met (P)</option>
      <option value="Pro-&gt;Phe (P)">Pro-&gt;Phe (P)</option>
      <option value="Pro-&gt;pyro-Glu (P)">Pro-&gt;pyro-Glu (P)</option>
      <option value="Pro-&gt;Pyrrolidinone (P)">Pro-&gt;Pyrrolidinone (P)</option>
      <option value="Pro-&gt;Pyrrolidone (P)">Pro-&gt;Pyrrolidone (P)</option>
      <option value="Pro-&gt;Ser (P)">Pro-&gt;Ser (P)</option>
      <option value="Pro-&gt;Thr (P)">Pro-&gt;Thr (P)</option>
      <option value="Pro-&gt;Trp (P)">Pro-&gt;Trp (P)</option>
      <option value="Pro-&gt;Tyr (P)">Pro-&gt;Tyr (P)</option>
      <option value="Pro-&gt;Val (P)">Pro-&gt;Val (P)</option>
      <option value="Pro-&gt;Xle (P)">Pro-&gt;Xle (P)</option>
      <option value="probiotinhydrazide (P)">probiotinhydrazide (P)</option>
      <option value="Propargylamine (C-term)">Propargylamine (C-term)</option>
      <option value="Propargylamine (D)">Propargylamine (D)</option>
      <option value="Propargylamine (E)">Propargylamine (E)</option>
      <option value="Propionamide (C)">Propionamide (C)</option>
      <option value="Propionamide (K)">Propionamide (K)</option>
      <option value="Propionamide (N-term)">Propionamide (N-term)</option>
      <option value="Propionamide:2H(3) (C)">Propionamide:2H(3) (C)</option>
      <option value="Propionyl (K)">Propionyl (K)</option>
      <option value="Propionyl (N-term)">Propionyl (N-term)</option>
      <option value="Propionyl (Protein N-term)">Propionyl (Protein N-term)</option>
      <option value="Propionyl (S)">Propionyl (S)</option>
      <option value="Propionyl (T)">Propionyl (T)</option>
      <option value="Propionyl:13C(3) (K)">Propionyl:13C(3) (K)</option>
      <option value="Propionyl:13C(3) (N-term)">Propionyl:13C(3) (N-term)</option>
      <option value="Propiophenone (C)">Propiophenone (C)</option>
      <option value="Propiophenone (H)">Propiophenone (H)</option>
      <option value="Propiophenone (K)">Propiophenone (K)</option>
      <option value="Propiophenone (R)">Propiophenone (R)</option>
      <option value="Propiophenone (S)">Propiophenone (S)</option>
      <option value="Propiophenone (T)">Propiophenone (T)</option>
      <option value="Propiophenone (W)">Propiophenone (W)</option>
      <option value="Propyl (C-term)">Propyl (C-term)</option>
      <option value="Propyl (D)">Propyl (D)</option>
      <option value="Propyl (E)">Propyl (E)</option>
      <option value="Propyl (K)">Propyl (K)</option>
      <option value="Propyl (N-term)">Propyl (N-term)</option>
      <option value="Propyl (Protein C-term)">Propyl (Protein C-term)</option>
      <option value="Propyl:2H(6) (K)">Propyl:2H(6) (K)</option>
      <option value="Propyl:2H(6) (N-term)">Propyl:2H(6) (N-term)</option>
      <option value="PropylNAGthiazoline (C)">PropylNAGthiazoline (C)</option>
      <option value="PS_Hapten (C)">PS_Hapten (C)</option>
      <option value="PS_Hapten (H)">PS_Hapten (H)</option>
      <option value="PS_Hapten (K)">PS_Hapten (K)</option>
      <option value="pupylation (K)">pupylation (K)</option>
      <option value="Puromycin (C-term)">Puromycin (C-term)</option>
      <option value="PyMIC (N-term)">PyMIC (N-term)</option>
      <option value="PyridoxalPhosphate (K)">PyridoxalPhosphate (K)</option>
      <option value="PyridoxalPhosphateH2 (K)">PyridoxalPhosphateH2 (K)</option>
      <option value="Pyridylacetyl (K)">Pyridylacetyl (K)</option>
      <option value="Pyridylacetyl (N-term)">Pyridylacetyl (N-term)</option>
      <option value="Pyridylethyl (C)">Pyridylethyl (C)</option>
      <option value="Pyro-carbamidomethyl (N-term C)">Pyro-carbamidomethyl (N-term C)</option>
      <option value="pyrophospho (S)">pyrophospho (S)</option>
      <option value="pyrophospho (T)">pyrophospho (T)</option>
      <option value="PyruvicAcidIminyl (K)">PyruvicAcidIminyl (K)</option>
      <option value="PyruvicAcidIminyl (Protein N-term C)">PyruvicAcidIminyl (Protein N-term C)</option>
      <option value="PyruvicAcidIminyl (Protein N-term V)">PyruvicAcidIminyl (Protein N-term V)</option>
      <option value="QAT (C)">QAT (C)</option>
      <option value="QAT:2H(3) (C)">QAT:2H(3) (C)</option>
      <option value="QEQTGG (K)">QEQTGG (K)</option>
      <option value="QQQTGG (K)">QQQTGG (K)</option>
      <option value="QTGG (K)">QTGG (K)</option>
      <option value="Quinone (W)">Quinone (W)</option>
      <option value="Quinone (Y)">Quinone (Y)</option>
      <option value="Retinylidene (K)">Retinylidene (K)</option>
      <option value="RNPXL (N-term K)">RNPXL (N-term K)</option>
      <option value="RNPXL (N-term R)">RNPXL (N-term R)</option>
      <option value="RNPXlink1 (C)">RNPXlink1 (C)</option>
      <option value="RNPXlink2 (F)">RNPXlink2 (F)</option>
      <option value="RNPXlink2 (K)">RNPXlink2 (K)</option>
      <option value="RNPXlink2 (L)">RNPXlink2 (L)</option>
      <option value="RNPXlink3 (C)">RNPXlink3 (C)</option>
      <option value="RNPXlink3 (F)">RNPXlink3 (F)</option>
      <option value="RNPXlink4 (C)">RNPXlink4 (C)</option>
      <option value="RNPXlink5 (F)">RNPXlink5 (F)</option>
      <option value="RNPXlink5 (Y)">RNPXlink5 (Y)</option>
      <option value="s-GlcNAc (S)">s-GlcNAc (S)</option>
      <option value="s-GlcNAc (T)">s-GlcNAc (T)</option>
      <option value="Saligenin (H)">Saligenin (H)</option>
      <option value="Saligenin (K)">Saligenin (K)</option>
      <option value="Ser-&gt;Ala (S)">Ser-&gt;Ala (S)</option>
      <option value="Ser-&gt;Arg (S)">Ser-&gt;Arg (S)</option>
      <option value="Ser-&gt;Asn (S)">Ser-&gt;Asn (S)</option>
      <option value="Ser-&gt;Asp (S)">Ser-&gt;Asp (S)</option>
      <option value="Ser-&gt;Cys (S)">Ser-&gt;Cys (S)</option>
      <option value="Ser-&gt;Gln (S)">Ser-&gt;Gln (S)</option>
      <option value="Ser-&gt;Glu (S)">Ser-&gt;Glu (S)</option>
      <option value="Ser-&gt;Gly (S)">Ser-&gt;Gly (S)</option>
      <option value="Ser-&gt;His (S)">Ser-&gt;His (S)</option>
      <option value="Ser-&gt;LacticAcid (Protein N-term S)">Ser-&gt;LacticAcid (Protein N-term S)</option>
      <option value="Ser-&gt;Lys (S)">Ser-&gt;Lys (S)</option>
      <option value="Ser-&gt;Met (S)">Ser-&gt;Met (S)</option>
      <option value="Ser-&gt;Phe (S)">Ser-&gt;Phe (S)</option>
      <option value="Ser-&gt;Pro (S)">Ser-&gt;Pro (S)</option>
      <option value="Ser-&gt;Thr (S)">Ser-&gt;Thr (S)</option>
      <option value="Ser-&gt;Trp (S)">Ser-&gt;Trp (S)</option>
      <option value="Ser-&gt;Tyr (S)">Ser-&gt;Tyr (S)</option>
      <option value="Ser-&gt;Val (S)">Ser-&gt;Val (S)</option>
      <option value="Ser-&gt;Xle (S)">Ser-&gt;Xle (S)</option>
      <option value="serotonylation (Q)">serotonylation (Q)</option>
      <option value="shTMT (K)">shTMT (K)</option>
      <option value="shTMT (N-term)">shTMT (N-term)</option>
      <option value="shTMT (Protein N-term)">shTMT (Protein N-term)</option>
      <option value="SMA (K)">SMA (K)</option>
      <option value="SMA (N-term)">SMA (N-term)</option>
      <option value="spermidine (Q)">spermidine (Q)</option>
      <option value="spermine (Q)">spermine (Q)</option>
      <option value="SPITC (K)">SPITC (K)</option>
      <option value="SPITC (N-term)">SPITC (N-term)</option>
      <option value="SPITC:13C(6) (K)">SPITC:13C(6) (K)</option>
      <option value="SPITC:13C(6) (N-term)">SPITC:13C(6) (N-term)</option>
      <option value="Succinyl (K)">Succinyl (K)</option>
      <option value="Succinyl (N-term)">Succinyl (N-term)</option>
      <option value="Succinyl (Protein N-term)">Succinyl (Protein N-term)</option>
      <option value="Succinyl:13C(4) (K)">Succinyl:13C(4) (K)</option>
      <option value="Succinyl:13C(4) (N-term)">Succinyl:13C(4) (N-term)</option>
      <option value="Succinyl:2H(4) (K)">Succinyl:2H(4) (K)</option>
      <option value="Succinyl:2H(4) (N-term)">Succinyl:2H(4) (N-term)</option>
      <option value="SulfanilicAcid (C-term)">SulfanilicAcid (C-term)</option>
      <option value="SulfanilicAcid (D)">SulfanilicAcid (D)</option>
      <option value="SulfanilicAcid (E)">SulfanilicAcid (E)</option>
      <option value="SulfanilicAcid:13C(6) (C-term)">SulfanilicAcid:13C(6) (C-term)</option>
      <option value="SulfanilicAcid:13C(6) (D)">SulfanilicAcid:13C(6) (D)</option>
      <option value="SulfanilicAcid:13C(6) (E)">SulfanilicAcid:13C(6) (E)</option>
      <option value="Sulfide (C)">Sulfide (C)</option>
      <option value="Sulfide (D)">Sulfide (D)</option>
      <option value="Sulfide (W)">Sulfide (W)</option>
      <option value="Sulfo (C)">Sulfo (C)</option>
      <option value="Sulfo (S)">Sulfo (S)</option>
      <option value="Sulfo (T)">Sulfo (T)</option>
      <option value="Sulfo (Y)">Sulfo (Y)</option>
      <option value="sulfo+amino (Y)">sulfo+amino (Y)</option>
      <option value="Sulfo-NHS-LC-LC-Biotin (K)">Sulfo-NHS-LC-LC-Biotin (K)</option>
      <option value="Sulfo-NHS-LC-LC-Biotin (N-term)">Sulfo-NHS-LC-LC-Biotin (N-term)</option>
      <option value="SulfoGMBS (C)">SulfoGMBS (C)</option>
      <option value="SulfurDioxide (C)">SulfurDioxide (C)</option>
      <option value="SUMO2135 (K)">SUMO2135 (K)</option>
      <option value="SUMO3549 (K)">SUMO3549 (K)</option>
      <option value="TAMRA-FP (S)">TAMRA-FP (S)</option>
      <option value="TAMRA-FP (Y)">TAMRA-FP (Y)</option>
      <option value="Thiadiazole (C)">Thiadiazole (C)</option>
      <option value="Thiazolidine (C)">Thiazolidine (C)</option>
      <option value="Thiazolidine (F)">Thiazolidine (F)</option>
      <option value="Thiazolidine (H)">Thiazolidine (H)</option>
      <option value="Thiazolidine (K)">Thiazolidine (K)</option>
      <option value="Thiazolidine (Protein N-term)">Thiazolidine (Protein N-term)</option>
      <option value="Thiazolidine (R)">Thiazolidine (R)</option>
      <option value="Thiazolidine (W)">Thiazolidine (W)</option>
      <option value="Thiazolidine (Y)">Thiazolidine (Y)</option>
      <option value="thioacylPA (K)">thioacylPA (K)</option>
      <option value="Thiophos-S-S-biotin (S)">Thiophos-S-S-biotin (S)</option>
      <option value="Thiophos-S-S-biotin (T)">Thiophos-S-S-biotin (T)</option>
      <option value="Thiophos-S-S-biotin (Y)">Thiophos-S-S-biotin (Y)</option>
      <option value="Thiophospho (S)">Thiophospho (S)</option>
      <option value="Thiophospho (T)">Thiophospho (T)</option>
      <option value="Thiophospho (Y)">Thiophospho (Y)</option>
      <option value="Thr-&gt;Ala (T)">Thr-&gt;Ala (T)</option>
      <option value="Thr-&gt;Arg (T)">Thr-&gt;Arg (T)</option>
      <option value="Thr-&gt;Asn (T)">Thr-&gt;Asn (T)</option>
      <option value="Thr-&gt;Asp (T)">Thr-&gt;Asp (T)</option>
      <option value="Thr-&gt;Cys (T)">Thr-&gt;Cys (T)</option>
      <option value="Thr-&gt;Gln (T)">Thr-&gt;Gln (T)</option>
      <option value="Thr-&gt;Glu (T)">Thr-&gt;Glu (T)</option>
      <option value="Thr-&gt;Gly (T)">Thr-&gt;Gly (T)</option>
      <option value="Thr-&gt;His (T)">Thr-&gt;His (T)</option>
      <option value="Thr-&gt;Lys (T)">Thr-&gt;Lys (T)</option>
      <option value="Thr-&gt;Met (T)">Thr-&gt;Met (T)</option>
      <option value="Thr-&gt;Phe (T)">Thr-&gt;Phe (T)</option>
      <option value="Thr-&gt;Pro (T)">Thr-&gt;Pro (T)</option>
      <option value="Thr-&gt;Ser (T)">Thr-&gt;Ser (T)</option>
      <option value="Thr-&gt;Trp (T)">Thr-&gt;Trp (T)</option>
      <option value="Thr-&gt;Tyr (T)">Thr-&gt;Tyr (T)</option>
      <option value="Thr-&gt;Val (T)">Thr-&gt;Val (T)</option>
      <option value="Thr-&gt;Xle (T)">Thr-&gt;Xle (T)</option>
      <option value="Thrbiotinhydrazide (T)">Thrbiotinhydrazide (T)</option>
      <option value="Thyroxine (Y)">Thyroxine (Y)</option>
      <option value="TMAB (K)">TMAB (K)</option>
      <option value="TMAB (N-term)">TMAB (N-term)</option>
      <option value="TMAB:2H(9) (K)">TMAB:2H(9) (K)</option>
      <option value="TMAB:2H(9) (N-term)">TMAB:2H(9) (N-term)</option>
      <option value="TMPP-Ac (K)">TMPP-Ac (K)</option>
      <option value="TMPP-Ac (N-term)">TMPP-Ac (N-term)</option>
      <option value="TMPP-Ac (Y)">TMPP-Ac (Y)</option>
      <option value="TMPP-Ac:13C(9) (K)">TMPP-Ac:13C(9) (K)</option>
      <option value="TMPP-Ac:13C(9) (N-term)">TMPP-Ac:13C(9) (N-term)</option>
      <option value="TMPP-Ac:13C(9) (Y)">TMPP-Ac:13C(9) (Y)</option>
      <option value="TMT (H)">TMT (H)</option>
      <option value="TMT (K)">TMT (K)</option>
      <option value="TMT (N-term)">TMT (N-term)</option>
      <option value="TMT (Protein N-term)">TMT (Protein N-term)</option>
      <option value="TMT (S)">TMT (S)</option>
      <option value="TMT (T)">TMT (T)</option>
      <option value="TMT2plex (H)">TMT2plex (H)</option>
      <option value="TMT2plex (K)">TMT2plex (K)</option>
      <option value="TMT2plex (N-term)">TMT2plex (N-term)</option>
      <option value="TMT2plex (Protein N-term)">TMT2plex (Protein N-term)</option>
      <option value="TMT2plex (S)">TMT2plex (S)</option>
      <option value="TMT2plex (T)">TMT2plex (T)</option>
      <option value="TMT6plex (H)">TMT6plex (H)</option>
      <option value="TMT6plex (K)">TMT6plex (K)</option>
      <option value="TMT6plex (N-term)">TMT6plex (N-term)</option>
      <option value="TMT6plex (Protein N-term)">TMT6plex (Protein N-term)</option>
      <option value="TMT6plex (S)">TMT6plex (S)</option>
      <option value="TMT6plex (T)">TMT6plex (T)</option>
      <option value="TMTpro (H)">TMTpro (H)</option>
      <option value="TMTpro (K)">TMTpro (K)</option>
      <option value="TMTpro (N-term)">TMTpro (N-term)</option>
      <option value="TMTpro (Protein N-term)">TMTpro (Protein N-term)</option>
      <option value="TMTpro (S)">TMTpro (S)</option>
      <option value="TMTpro (T)">TMTpro (T)</option>
      <option value="TMTpro_zero (H)">TMTpro_zero (H)</option>
      <option value="TMTpro_zero (K)">TMTpro_zero (K)</option>
      <option value="TMTpro_zero (N-term)">TMTpro_zero (N-term)</option>
      <option value="TMTpro_zero (Protein N-term)">TMTpro_zero (Protein N-term)</option>
      <option value="TMTpro_zero (S)">TMTpro_zero (S)</option>
      <option value="TMTpro_zero (T)">TMTpro_zero (T)</option>
      <option value="TNBS (K)">TNBS (K)</option>
      <option value="TNBS (N-term)">TNBS (N-term)</option>
      <option value="trifluoro (L)">trifluoro (L)</option>
      <option value="Triiodo (Y)">Triiodo (Y)</option>
      <option value="Triiodothyronine (Y)">Triiodothyronine (Y)</option>
      <option value="Trimethyl (K)">Trimethyl (K)</option>
      <option value="Trimethyl (Protein N-term A)">Trimethyl (Protein N-term A)</option>
      <option value="Trimethyl (R)">Trimethyl (R)</option>
      <option value="Trimethyl:13C(3)2H(9) (K)">Trimethyl:13C(3)2H(9) (K)</option>
      <option value="Trimethyl:13C(3)2H(9) (R)">Trimethyl:13C(3)2H(9) (R)</option>
      <option value="Trimethyl:2H(9) (K)">Trimethyl:2H(9) (K)</option>
      <option value="Trimethyl:2H(9) (R)">Trimethyl:2H(9) (R)</option>
      <option value="Trioxidation (C)">Trioxidation (C)</option>
      <option value="Trioxidation (F)">Trioxidation (F)</option>
      <option value="Trioxidation (W)">Trioxidation (W)</option>
      <option value="Trioxidation (Y)">Trioxidation (Y)</option>
      <option value="Tripalmitate (Protein N-term C)">Tripalmitate (Protein N-term C)</option>
      <option value="Tris (N)">Tris (N)</option>
      <option value="Triton (C-term)">Triton (C-term)</option>
      <option value="Triton (N-term)">Triton (N-term)</option>
      <option value="Trp-&gt;Ala (W)">Trp-&gt;Ala (W)</option>
      <option value="Trp-&gt;Arg (W)">Trp-&gt;Arg (W)</option>
      <option value="Trp-&gt;Asn (W)">Trp-&gt;Asn (W)</option>
      <option value="Trp-&gt;Asp (W)">Trp-&gt;Asp (W)</option>
      <option value="Trp-&gt;Cys (W)">Trp-&gt;Cys (W)</option>
      <option value="Trp-&gt;Gln (W)">Trp-&gt;Gln (W)</option>
      <option value="Trp-&gt;Glu (W)">Trp-&gt;Glu (W)</option>
      <option value="Trp-&gt;Gly (W)">Trp-&gt;Gly (W)</option>
      <option value="Trp-&gt;His (W)">Trp-&gt;His (W)</option>
      <option value="Trp-&gt;Hydroxykynurenin (W)">Trp-&gt;Hydroxykynurenin (W)</option>
      <option value="Trp-&gt;Kynurenin (W)">Trp-&gt;Kynurenin (W)</option>
      <option value="Trp-&gt;Lys (W)">Trp-&gt;Lys (W)</option>
      <option value="Trp-&gt;Met (W)">Trp-&gt;Met (W)</option>
      <option value="Trp-&gt;Oxolactone (W)">Trp-&gt;Oxolactone (W)</option>
      <option value="Trp-&gt;Phe (W)">Trp-&gt;Phe (W)</option>
      <option value="Trp-&gt;Pro (W)">Trp-&gt;Pro (W)</option>
      <option value="Trp-&gt;Ser (W)">Trp-&gt;Ser (W)</option>
      <option value="Trp-&gt;Thr (W)">Trp-&gt;Thr (W)</option>
      <option value="Trp-&gt;Tyr (W)">Trp-&gt;Tyr (W)</option>
      <option value="Trp-&gt;Val (W)">Trp-&gt;Val (W)</option>
      <option value="Trp-&gt;Xle (W)">Trp-&gt;Xle (W)</option>
      <option value="Tween20 (N-term)">Tween20 (N-term)</option>
      <option value="Tween80 (C-term)">Tween80 (C-term)</option>
      <option value="Tyr-&gt;Ala (Y)">Tyr-&gt;Ala (Y)</option>
      <option value="Tyr-&gt;Arg (Y)">Tyr-&gt;Arg (Y)</option>
      <option value="Tyr-&gt;Asn (Y)">Tyr-&gt;Asn (Y)</option>
      <option value="Tyr-&gt;Asp (Y)">Tyr-&gt;Asp (Y)</option>
      <option value="Tyr-&gt;Cys (Y)">Tyr-&gt;Cys (Y)</option>
      <option value="Tyr-&gt;Dha (Y)">Tyr-&gt;Dha (Y)</option>
      <option value="Tyr-&gt;Gln (Y)">Tyr-&gt;Gln (Y)</option>
      <option value="Tyr-&gt;Glu (Y)">Tyr-&gt;Glu (Y)</option>
      <option value="Tyr-&gt;Gly (Y)">Tyr-&gt;Gly (Y)</option>
      <option value="Tyr-&gt;His (Y)">Tyr-&gt;His (Y)</option>
      <option value="Tyr-&gt;Lys (Y)">Tyr-&gt;Lys (Y)</option>
      <option value="Tyr-&gt;Met (Y)">Tyr-&gt;Met (Y)</option>
      <option value="Tyr-&gt;Phe (Y)">Tyr-&gt;Phe (Y)</option>
      <option value="Tyr-&gt;Pro (Y)">Tyr-&gt;Pro (Y)</option>
      <option value="Tyr-&gt;Ser (Y)">Tyr-&gt;Ser (Y)</option>
      <option value="Tyr-&gt;Thr (Y)">Tyr-&gt;Thr (Y)</option>
      <option value="Tyr-&gt;Trp (Y)">Tyr-&gt;Trp (Y)</option>
      <option value="Tyr-&gt;Val (Y)">Tyr-&gt;Val (Y)</option>
      <option value="Tyr-&gt;Xle (Y)">Tyr-&gt;Xle (Y)</option>
      <option value="Ub-amide (C)">Ub-amide (C)</option>
      <option value="Ub-Br2 (C)">Ub-Br2 (C)</option>
      <option value="Ub-fluorescein (C)">Ub-fluorescein (C)</option>
      <option value="Ub-VME (C)">Ub-VME (C)</option>
      <option value="UgiJoullie (D)">UgiJoullie (D)</option>
      <option value="UgiJoullie (E)">UgiJoullie (E)</option>
      <option value="UgiJoullieProGly (D)">UgiJoullieProGly (D)</option>
      <option value="UgiJoullieProGly (E)">UgiJoullieProGly (E)</option>
      <option value="UgiJoullieProGlyProGly (D)">UgiJoullieProGlyProGly (D)</option>
      <option value="UgiJoullieProGlyProGly (E)">UgiJoullieProGlyProGly (E)</option>
      <option value="Unknown:162 (C-term)">Unknown:162 (C-term)</option>
      <option value="Unknown:162 (D)">Unknown:162 (D)</option>
      <option value="Unknown:162 (E)">Unknown:162 (E)</option>
      <option value="Unknown:162 (N-term)">Unknown:162 (N-term)</option>
      <option value="Unknown:177 (C-term)">Unknown:177 (C-term)</option>
      <option value="Unknown:177 (D)">Unknown:177 (D)</option>
      <option value="Unknown:177 (E)">Unknown:177 (E)</option>
      <option value="Unknown:177 (N-term)">Unknown:177 (N-term)</option>
      <option value="Unknown:210 (C-term)">Unknown:210 (C-term)</option>
      <option value="Unknown:210 (D)">Unknown:210 (D)</option>
      <option value="Unknown:210 (E)">Unknown:210 (E)</option>
      <option value="Unknown:210 (N-term)">Unknown:210 (N-term)</option>
      <option value="Unknown:216 (C-term)">Unknown:216 (C-term)</option>
      <option value="Unknown:216 (D)">Unknown:216 (D)</option>
      <option value="Unknown:216 (E)">Unknown:216 (E)</option>
      <option value="Unknown:216 (N-term)">Unknown:216 (N-term)</option>
      <option value="Unknown:234 (C-term)">Unknown:234 (C-term)</option>
      <option value="Unknown:234 (D)">Unknown:234 (D)</option>
      <option value="Unknown:234 (E)">Unknown:234 (E)</option>
      <option value="Unknown:234 (N-term)">Unknown:234 (N-term)</option>
      <option value="Unknown:248 (C-term)">Unknown:248 (C-term)</option>
      <option value="Unknown:248 (D)">Unknown:248 (D)</option>
      <option value="Unknown:248 (E)">Unknown:248 (E)</option>
      <option value="Unknown:248 (N-term)">Unknown:248 (N-term)</option>
      <option value="Unknown:250 (C-term)">Unknown:250 (C-term)</option>
      <option value="Unknown:250 (D)">Unknown:250 (D)</option>
      <option value="Unknown:250 (E)">Unknown:250 (E)</option>
      <option value="Unknown:250 (N-term)">Unknown:250 (N-term)</option>
      <option value="Unknown:302 (C-term)">Unknown:302 (C-term)</option>
      <option value="Unknown:302 (D)">Unknown:302 (D)</option>
      <option value="Unknown:302 (E)">Unknown:302 (E)</option>
      <option value="Unknown:302 (N-term)">Unknown:302 (N-term)</option>
      <option value="Unknown:306 (C-term)">Unknown:306 (C-term)</option>
      <option value="Unknown:306 (D)">Unknown:306 (D)</option>
      <option value="Unknown:306 (E)">Unknown:306 (E)</option>
      <option value="Unknown:306 (N-term)">Unknown:306 (N-term)</option>
      <option value="Unknown:420 (C-term)">Unknown:420 (C-term)</option>
      <option value="Unknown:420 (N-term)">Unknown:420 (N-term)</option>
      <option value="Val-&gt;Ala (V)">Val-&gt;Ala (V)</option>
      <option value="Val-&gt;Arg (V)">Val-&gt;Arg (V)</option>
      <option value="Val-&gt;Asn (V)">Val-&gt;Asn (V)</option>
      <option value="Val-&gt;Asp (V)">Val-&gt;Asp (V)</option>
      <option value="Val-&gt;Cys (V)">Val-&gt;Cys (V)</option>
      <option value="Val-&gt;Gln (V)">Val-&gt;Gln (V)</option>
      <option value="Val-&gt;Glu (V)">Val-&gt;Glu (V)</option>
      <option value="Val-&gt;Gly (V)">Val-&gt;Gly (V)</option>
      <option value="Val-&gt;His (V)">Val-&gt;His (V)</option>
      <option value="Val-&gt;Lys (V)">Val-&gt;Lys (V)</option>
      <option value="Val-&gt;Met (V)">Val-&gt;Met (V)</option>
      <option value="Val-&gt;Phe (V)">Val-&gt;Phe (V)</option>
      <option value="Val-&gt;Pro (V)">Val-&gt;Pro (V)</option>
      <option value="Val-&gt;Ser (V)">Val-&gt;Ser (V)</option>
      <option value="Val-&gt;Thr (V)">Val-&gt;Thr (V)</option>
      <option value="Val-&gt;Trp (V)">Val-&gt;Trp (V)</option>
      <option value="Val-&gt;Tyr (V)">Val-&gt;Tyr (V)</option>
      <option value="Val-&gt;Xle (V)">Val-&gt;Xle (V)</option>
      <option value="VFQQQTGG (K)">VFQQQTGG (K)</option>
      <option value="VIEVYQEQTGG (K)">VIEVYQEQTGG (K)</option>
      <option value="Withaferin (C)">Withaferin (C)</option>
      <option value="Xle-&gt;Ala (I)">Xle-&gt;Ala (I)</option>
      <option value="Xle-&gt;Ala (L)">Xle-&gt;Ala (L)</option>
      <option value="Xle-&gt;Arg (I)">Xle-&gt;Arg (I)</option>
      <option value="Xle-&gt;Arg (L)">Xle-&gt;Arg (L)</option>
      <option value="Xle-&gt;Asn (I)">Xle-&gt;Asn (I)</option>
      <option value="Xle-&gt;Asn (L)">Xle-&gt;Asn (L)</option>
      <option value="Xle-&gt;Asp (I)">Xle-&gt;Asp (I)</option>
      <option value="Xle-&gt;Asp (L)">Xle-&gt;Asp (L)</option>
      <option value="Xle-&gt;Cys (I)">Xle-&gt;Cys (I)</option>
      <option value="Xle-&gt;Cys (L)">Xle-&gt;Cys (L)</option>
      <option value="Xle-&gt;Gln (I)">Xle-&gt;Gln (I)</option>
      <option value="Xle-&gt;Gln (L)">Xle-&gt;Gln (L)</option>
      <option value="Xle-&gt;Glu (I)">Xle-&gt;Glu (I)</option>
      <option value="Xle-&gt;Glu (L)">Xle-&gt;Glu (L)</option>
      <option value="Xle-&gt;Gly (I)">Xle-&gt;Gly (I)</option>
      <option value="Xle-&gt;Gly (L)">Xle-&gt;Gly (L)</option>
      <option value="Xle-&gt;His (I)">Xle-&gt;His (I)</option>
      <option value="Xle-&gt;His (L)">Xle-&gt;His (L)</option>
      <option value="Xle-&gt;Lys (I)">Xle-&gt;Lys (I)</option>
      <option value="Xle-&gt;Lys (L)">Xle-&gt;Lys (L)</option>
      <option value="Xle-&gt;Met (I)">Xle-&gt;Met (I)</option>
      <option value="Xle-&gt;Met (L)">Xle-&gt;Met (L)</option>
      <option value="Xle-&gt;Phe (I)">Xle-&gt;Phe (I)</option>
      <option value="Xle-&gt;Phe (L)">Xle-&gt;Phe (L)</option>
      <option value="Xle-&gt;Pro (I)">Xle-&gt;Pro (I)</option>
      <option value="Xle-&gt;Pro (L)">Xle-&gt;Pro (L)</option>
      <option value="Xle-&gt;Ser (I)">Xle-&gt;Ser (I)</option>
      <option value="Xle-&gt;Ser (L)">Xle-&gt;Ser (L)</option>
      <option value="Xle-&gt;Thr (I)">Xle-&gt;Thr (I)</option>
      <option value="Xle-&gt;Thr (L)">Xle-&gt;Thr (L)</option>
      <option value="Xle-&gt;Trp (I)">Xle-&gt;Trp (I)</option>
      <option value="Xle-&gt;Trp (L)">Xle-&gt;Trp (L)</option>
      <option value="Xle-&gt;Tyr (I)">Xle-&gt;Tyr (I)</option>
      <option value="Xle-&gt;Tyr (L)">Xle-&gt;Tyr (L)</option>
      <option value="Xle-&gt;Val (I)">Xle-&gt;Val (I)</option>
      <option value="Xle-&gt;Val (L)">Xle-&gt;Val (L)</option>
      <option value="Xlink:B10621 (C)">Xlink:B10621 (C)</option>
      <option value="Xlink:BMOE (C)">Xlink:BMOE (C)</option>
      <option value="Xlink:BS2G[113] (K)">Xlink:BS2G[113] (K)</option>
      <option value="Xlink:BS2G[113] (Protein N-term)">Xlink:BS2G[113] (Protein N-term)</option>
      <option value="Xlink:BS2G[114] (K)">Xlink:BS2G[114] (K)</option>
      <option value="Xlink:BS2G[114] (Protein N-term)">Xlink:BS2G[114] (Protein N-term)</option>
      <option value="Xlink:BS2G[217] (K)">Xlink:BS2G[217] (K)</option>
      <option value="Xlink:BS2G[217] (Protein N-term)">Xlink:BS2G[217] (Protein N-term)</option>
      <option value="Xlink:BS2G[96] (K)">Xlink:BS2G[96] (K)</option>
      <option value="Xlink:BS2G[96] (Protein N-term)">Xlink:BS2G[96] (Protein N-term)</option>
      <option value="Xlink:BuUrBu[111] (K)">Xlink:BuUrBu[111] (K)</option>
      <option value="Xlink:BuUrBu[111] (Protein N-term)">Xlink:BuUrBu[111] (Protein N-term)</option>
      <option value="Xlink:BuUrBu[196] (K)">Xlink:BuUrBu[196] (K)</option>
      <option value="Xlink:BuUrBu[196] (Protein N-term)">Xlink:BuUrBu[196] (Protein N-term)</option>
      <option value="Xlink:BuUrBu[213] (K)">Xlink:BuUrBu[213] (K)</option>
      <option value="Xlink:BuUrBu[213] (Protein N-term)">Xlink:BuUrBu[213] (Protein N-term)</option>
      <option value="Xlink:BuUrBu[214] (K)">Xlink:BuUrBu[214] (K)</option>
      <option value="Xlink:BuUrBu[214] (Protein N-term)">Xlink:BuUrBu[214] (Protein N-term)</option>
      <option value="Xlink:BuUrBu[317] (K)">Xlink:BuUrBu[317] (K)</option>
      <option value="Xlink:BuUrBu[317] (Protein N-term)">Xlink:BuUrBu[317] (Protein N-term)</option>
      <option value="Xlink:BuUrBu[85] (K)">Xlink:BuUrBu[85] (K)</option>
      <option value="Xlink:BuUrBu[85] (Protein N-term)">Xlink:BuUrBu[85] (Protein N-term)</option>
      <option value="Xlink:DFDNB (K)">Xlink:DFDNB (K)</option>
      <option value="Xlink:DFDNB (N)">Xlink:DFDNB (N)</option>
      <option value="Xlink:DFDNB (Q)">Xlink:DFDNB (Q)</option>
      <option value="Xlink:DFDNB (R)">Xlink:DFDNB (R)</option>
      <option value="Xlink:DMP[122] (K)">Xlink:DMP[122] (K)</option>
      <option value="Xlink:DMP[122] (Protein N-term)">Xlink:DMP[122] (Protein N-term)</option>
      <option value="Xlink:DMP[139] (K)">Xlink:DMP[139] (K)</option>
      <option value="Xlink:DMP[139] (Protein N-term)">Xlink:DMP[139] (Protein N-term)</option>
      <option value="Xlink:DMP[140] (K)">Xlink:DMP[140] (K)</option>
      <option value="Xlink:DMP[140] (Protein N-term)">Xlink:DMP[140] (Protein N-term)</option>
      <option value="Xlink:DMP[154] (K)">Xlink:DMP[154] (K)</option>
      <option value="Xlink:DMP[154] (Protein N-term)">Xlink:DMP[154] (Protein N-term)</option>
      <option value="Xlink:DSS[138] (K)">Xlink:DSS[138] (K)</option>
      <option value="Xlink:DSS[138] (Protein N-term)">Xlink:DSS[138] (Protein N-term)</option>
      <option value="Xlink:DSS[155] (K)">Xlink:DSS[155] (K)</option>
      <option value="Xlink:DSS[155] (Protein N-term)">Xlink:DSS[155] (Protein N-term)</option>
      <option value="Xlink:DSS[156] (K)">Xlink:DSS[156] (K)</option>
      <option value="Xlink:DSS[156] (Protein N-term)">Xlink:DSS[156] (Protein N-term)</option>
      <option value="Xlink:DSS[259] (K)">Xlink:DSS[259] (K)</option>
      <option value="Xlink:DSS[259] (Protein N-term)">Xlink:DSS[259] (Protein N-term)</option>
      <option value="Xlink:DSSO[104] (K)">Xlink:DSSO[104] (K)</option>
      <option value="Xlink:DSSO[104] (Protein N-term)">Xlink:DSSO[104] (Protein N-term)</option>
      <option value="Xlink:DSSO[158] (K)">Xlink:DSSO[158] (K)</option>
      <option value="Xlink:DSSO[158] (Protein N-term)">Xlink:DSSO[158] (Protein N-term)</option>
      <option value="Xlink:DSSO[175] (K)">Xlink:DSSO[175] (K)</option>
      <option value="Xlink:DSSO[175] (Protein N-term)">Xlink:DSSO[175] (Protein N-term)</option>
      <option value="Xlink:DSSO[176] (K)">Xlink:DSSO[176] (K)</option>
      <option value="Xlink:DSSO[176] (Protein N-term)">Xlink:DSSO[176] (Protein N-term)</option>
      <option value="Xlink:DSSO[279] (K)">Xlink:DSSO[279] (K)</option>
      <option value="Xlink:DSSO[279] (Protein N-term)">Xlink:DSSO[279] (Protein N-term)</option>
      <option value="Xlink:DSSO[54] (K)">Xlink:DSSO[54] (K)</option>
      <option value="Xlink:DSSO[54] (Protein N-term)">Xlink:DSSO[54] (Protein N-term)</option>
      <option value="Xlink:DSSO[86] (K)">Xlink:DSSO[86] (K)</option>
      <option value="Xlink:DSSO[86] (Protein N-term)">Xlink:DSSO[86] (Protein N-term)</option>
      <option value="Xlink:DST[114] (K)">Xlink:DST[114] (K)</option>
      <option value="Xlink:DST[114] (Protein N-term)">Xlink:DST[114] (Protein N-term)</option>
      <option value="Xlink:DST[132] (K)">Xlink:DST[132] (K)</option>
      <option value="Xlink:DST[132] (Protein N-term)">Xlink:DST[132] (Protein N-term)</option>
      <option value="Xlink:DST[56] (K)">Xlink:DST[56] (K)</option>
      <option value="Xlink:DST[56] (Protein N-term)">Xlink:DST[56] (Protein N-term)</option>
      <option value="Xlink:DTBP[172] (K)">Xlink:DTBP[172] (K)</option>
      <option value="Xlink:DTBP[172] (Protein N-term)">Xlink:DTBP[172] (Protein N-term)</option>
      <option value="Xlink:DTBP[87] (K)">Xlink:DTBP[87] (K)</option>
      <option value="Xlink:DTBP[87] (Protein N-term)">Xlink:DTBP[87] (Protein N-term)</option>
      <option value="Xlink:DTSSP[174] (K)">Xlink:DTSSP[174] (K)</option>
      <option value="Xlink:DTSSP[174] (Protein N-term)">Xlink:DTSSP[174] (Protein N-term)</option>
      <option value="Xlink:DTSSP[192] (K)">Xlink:DTSSP[192] (K)</option>
      <option value="Xlink:DTSSP[192] (Protein N-term)">Xlink:DTSSP[192] (Protein N-term)</option>
      <option value="Xlink:DTSSP[88] (K)">Xlink:DTSSP[88] (K)</option>
      <option value="Xlink:DTSSP[88] (Protein N-term)">Xlink:DTSSP[88] (Protein N-term)</option>
      <option value="Xlink:EGS[115] (K)">Xlink:EGS[115] (K)</option>
      <option value="Xlink:EGS[115] (Protein N-term)">Xlink:EGS[115] (Protein N-term)</option>
      <option value="Xlink:EGS[226] (K)">Xlink:EGS[226] (K)</option>
      <option value="Xlink:EGS[226] (Protein N-term)">Xlink:EGS[226] (Protein N-term)</option>
      <option value="Xlink:EGS[244] (K)">Xlink:EGS[244] (K)</option>
      <option value="Xlink:EGS[244] (Protein N-term)">Xlink:EGS[244] (Protein N-term)</option>
      <option value="Xlink:SMCC[219] (C)">Xlink:SMCC[219] (C)</option>
      <option value="Xlink:SMCC[219] (K)">Xlink:SMCC[219] (K)</option>
      <option value="Xlink:SMCC[219] (Protein N-term)">Xlink:SMCC[219] (Protein N-term)</option>
      <option value="Xlink:SMCC[237] (C)">Xlink:SMCC[237] (C)</option>
      <option value="Xlink:SMCC[237] (K)">Xlink:SMCC[237] (K)</option>
      <option value="Xlink:SMCC[237] (Protein N-term)">Xlink:SMCC[237] (Protein N-term)</option>
      <option value="Xlink:SMCC[321] (C)">Xlink:SMCC[321] (C)</option>
      <option value="ZGB (K)">ZGB (K)</option>
      <option value="ZGB (N-term)">ZGB (N-term)</option>
      <option value="ZQG (K)">ZQG (K)</option>
      <expand macro="list_string_san" name="fixed_modifications"/>
    </param>
    <param argument="-variable_modifications" multiple="true" type="select" optional="true" label="Variable modifications, specified using Unimod (www.unimod.org) terms" help="e.g. 'Carbamidomethyl (C)' or 'Oxidation (M)'">
      <option value="15N-oxobutanoic (N-term C)">15N-oxobutanoic (N-term C)</option>
      <option value="15N-oxobutanoic (Protein N-term S)">15N-oxobutanoic (Protein N-term S)</option>
      <option value="15N-oxobutanoic (Protein N-term T)">15N-oxobutanoic (Protein N-term T)</option>
      <option value="2-dimethylsuccinyl (C)">2-dimethylsuccinyl (C)</option>
      <option value="2-monomethylsuccinyl (C)">2-monomethylsuccinyl (C)</option>
      <option value="2-nitrobenzyl (Y)">2-nitrobenzyl (Y)</option>
      <option value="2-succinyl (C)">2-succinyl (C)</option>
      <option value="2HPG (R)">2HPG (R)</option>
      <option value="3-deoxyglucosone (R)">3-deoxyglucosone (R)</option>
      <option value="3-phosphoglyceryl (K)">3-phosphoglyceryl (K)</option>
      <option value="3sulfo (N-term)">3sulfo (N-term)</option>
      <option value="4-ONE (C)">4-ONE (C)</option>
      <option value="4-ONE (H)">4-ONE (H)</option>
      <option value="4-ONE (K)">4-ONE (K)</option>
      <option value="4-ONE+Delta:H(-2)O(-1) (C)">4-ONE+Delta:H(-2)O(-1) (C)</option>
      <option value="4-ONE+Delta:H(-2)O(-1) (H)">4-ONE+Delta:H(-2)O(-1) (H)</option>
      <option value="4-ONE+Delta:H(-2)O(-1) (K)">4-ONE+Delta:H(-2)O(-1) (K)</option>
      <option value="4AcAllylGal (C)">4AcAllylGal (C)</option>
      <option value="a-type-ion (C-term)">a-type-ion (C-term)</option>
      <option value="AccQTag (K)">AccQTag (K)</option>
      <option value="AccQTag (N-term)">AccQTag (N-term)</option>
      <option value="Acetyl (C)">Acetyl (C)</option>
      <option value="Acetyl (H)">Acetyl (H)</option>
      <option value="Acetyl (K)">Acetyl (K)</option>
      <option value="Acetyl (N-term)">Acetyl (N-term)</option>
      <option value="Acetyl (Protein N-term)">Acetyl (Protein N-term)</option>
      <option value="Acetyl (R)">Acetyl (R)</option>
      <option value="Acetyl (S)">Acetyl (S)</option>
      <option value="Acetyl (T)">Acetyl (T)</option>
      <option value="Acetyl (Y)">Acetyl (Y)</option>
      <option value="Acetyl:13C(2) (K)">Acetyl:13C(2) (K)</option>
      <option value="Acetyl:13C(2) (Protein N-term)">Acetyl:13C(2) (Protein N-term)</option>
      <option value="Acetyl:2H(3) (H)">Acetyl:2H(3) (H)</option>
      <option value="Acetyl:2H(3) (K)">Acetyl:2H(3) (K)</option>
      <option value="Acetyl:2H(3) (N-term)">Acetyl:2H(3) (N-term)</option>
      <option value="Acetyl:2H(3) (Protein N-term)">Acetyl:2H(3) (Protein N-term)</option>
      <option value="Acetyl:2H(3) (S)">Acetyl:2H(3) (S)</option>
      <option value="Acetyl:2H(3) (T)">Acetyl:2H(3) (T)</option>
      <option value="Acetyl:2H(3) (Y)">Acetyl:2H(3) (Y)</option>
      <option value="Acetyldeoxyhypusine (K)">Acetyldeoxyhypusine (K)</option>
      <option value="Acetylhypusine (K)">Acetylhypusine (K)</option>
      <option value="ADP-Ribosyl (C)">ADP-Ribosyl (C)</option>
      <option value="ADP-Ribosyl (D)">ADP-Ribosyl (D)</option>
      <option value="ADP-Ribosyl (E)">ADP-Ribosyl (E)</option>
      <option value="ADP-Ribosyl (K)">ADP-Ribosyl (K)</option>
      <option value="ADP-Ribosyl (N)">ADP-Ribosyl (N)</option>
      <option value="ADP-Ribosyl (R)">ADP-Ribosyl (R)</option>
      <option value="ADP-Ribosyl (S)">ADP-Ribosyl (S)</option>
      <option value="ADP-Ribosyl (T)">ADP-Ribosyl (T)</option>
      <option value="AEBS (H)">AEBS (H)</option>
      <option value="AEBS (K)">AEBS (K)</option>
      <option value="AEBS (Protein N-term)">AEBS (Protein N-term)</option>
      <option value="AEBS (S)">AEBS (S)</option>
      <option value="AEBS (Y)">AEBS (Y)</option>
      <option value="AEC-MAEC (S)">AEC-MAEC (S)</option>
      <option value="AEC-MAEC (T)">AEC-MAEC (T)</option>
      <option value="AEC-MAEC:2H(4) (S)">AEC-MAEC:2H(4) (S)</option>
      <option value="AEC-MAEC:2H(4) (T)">AEC-MAEC:2H(4) (T)</option>
      <option value="AFB1_Dialdehyde (K)">AFB1_Dialdehyde (K)</option>
      <option value="AHA-Alkyne (M)">AHA-Alkyne (M)</option>
      <option value="AHA-Alkyne-KDDDD (M)">AHA-Alkyne-KDDDD (M)</option>
      <option value="AHA-SS (M)">AHA-SS (M)</option>
      <option value="AHA-SS_CAM (M)">AHA-SS_CAM (M)</option>
      <option value="Ahx2+Hsl (C-term)">Ahx2+Hsl (C-term)</option>
      <option value="Ala-&gt;Arg (A)">Ala-&gt;Arg (A)</option>
      <option value="Ala-&gt;Asn (A)">Ala-&gt;Asn (A)</option>
      <option value="Ala-&gt;Asp (A)">Ala-&gt;Asp (A)</option>
      <option value="Ala-&gt;Cys (A)">Ala-&gt;Cys (A)</option>
      <option value="Ala-&gt;Gln (A)">Ala-&gt;Gln (A)</option>
      <option value="Ala-&gt;Glu (A)">Ala-&gt;Glu (A)</option>
      <option value="Ala-&gt;Gly (A)">Ala-&gt;Gly (A)</option>
      <option value="Ala-&gt;His (A)">Ala-&gt;His (A)</option>
      <option value="Ala-&gt;Lys (A)">Ala-&gt;Lys (A)</option>
      <option value="Ala-&gt;Met (A)">Ala-&gt;Met (A)</option>
      <option value="Ala-&gt;Phe (A)">Ala-&gt;Phe (A)</option>
      <option value="Ala-&gt;Pro (A)">Ala-&gt;Pro (A)</option>
      <option value="Ala-&gt;Ser (A)">Ala-&gt;Ser (A)</option>
      <option value="Ala-&gt;Thr (A)">Ala-&gt;Thr (A)</option>
      <option value="Ala-&gt;Trp (A)">Ala-&gt;Trp (A)</option>
      <option value="Ala-&gt;Tyr (A)">Ala-&gt;Tyr (A)</option>
      <option value="Ala-&gt;Val (A)">Ala-&gt;Val (A)</option>
      <option value="Ala-&gt;Xle (A)">Ala-&gt;Xle (A)</option>
      <option value="Amidated (C-term)">Amidated (C-term)</option>
      <option value="Amidated (Protein C-term)">Amidated (Protein C-term)</option>
      <option value="Amidine (K)">Amidine (K)</option>
      <option value="Amidine (N-term)">Amidine (N-term)</option>
      <option value="Amidino (C)">Amidino (C)</option>
      <option value="Amino (Y)">Amino (Y)</option>
      <option value="Ammonia-loss (N)">Ammonia-loss (N)</option>
      <option value="Ammonia-loss (N-term C)">Ammonia-loss (N-term C)</option>
      <option value="Ammonia-loss (Protein N-term S)">Ammonia-loss (Protein N-term S)</option>
      <option value="Ammonia-loss (Protein N-term T)">Ammonia-loss (Protein N-term T)</option>
      <option value="Ammonium (C-term)">Ammonium (C-term)</option>
      <option value="Ammonium (D)">Ammonium (D)</option>
      <option value="Ammonium (E)">Ammonium (E)</option>
      <option value="AMTzHexNAc2 (N)">AMTzHexNAc2 (N)</option>
      <option value="AMTzHexNAc2 (S)">AMTzHexNAc2 (S)</option>
      <option value="AMTzHexNAc2 (T)">AMTzHexNAc2 (T)</option>
      <option value="Archaeol (C)">Archaeol (C)</option>
      <option value="Arg (N-term)">Arg (N-term)</option>
      <option value="Arg-&gt;Ala (R)">Arg-&gt;Ala (R)</option>
      <option value="Arg-&gt;Asn (R)">Arg-&gt;Asn (R)</option>
      <option value="Arg-&gt;Asp (R)">Arg-&gt;Asp (R)</option>
      <option value="Arg-&gt;Cys (R)">Arg-&gt;Cys (R)</option>
      <option value="Arg-&gt;Gln (R)">Arg-&gt;Gln (R)</option>
      <option value="Arg-&gt;Glu (R)">Arg-&gt;Glu (R)</option>
      <option value="Arg-&gt;GluSA (R)">Arg-&gt;GluSA (R)</option>
      <option value="Arg-&gt;Gly (R)">Arg-&gt;Gly (R)</option>
      <option value="Arg-&gt;His (R)">Arg-&gt;His (R)</option>
      <option value="Arg-&gt;Lys (R)">Arg-&gt;Lys (R)</option>
      <option value="Arg-&gt;Met (R)">Arg-&gt;Met (R)</option>
      <option value="Arg-&gt;Npo (R)">Arg-&gt;Npo (R)</option>
      <option value="Arg-&gt;Orn (R)">Arg-&gt;Orn (R)</option>
      <option value="Arg-&gt;Phe (R)">Arg-&gt;Phe (R)</option>
      <option value="Arg-&gt;Pro (R)">Arg-&gt;Pro (R)</option>
      <option value="Arg-&gt;Ser (R)">Arg-&gt;Ser (R)</option>
      <option value="Arg-&gt;Thr (R)">Arg-&gt;Thr (R)</option>
      <option value="Arg-&gt;Trp (R)">Arg-&gt;Trp (R)</option>
      <option value="Arg-&gt;Tyr (R)">Arg-&gt;Tyr (R)</option>
      <option value="Arg-&gt;Val (R)">Arg-&gt;Val (R)</option>
      <option value="Arg-&gt;Xle (R)">Arg-&gt;Xle (R)</option>
      <option value="Arg-loss (C-term R)">Arg-loss (C-term R)</option>
      <option value="Arg2PG (R)">Arg2PG (R)</option>
      <option value="Argbiotinhydrazide (R)">Argbiotinhydrazide (R)</option>
      <option value="AROD (C)">AROD (C)</option>
      <option value="Asn-&gt;Ala (N)">Asn-&gt;Ala (N)</option>
      <option value="Asn-&gt;Arg (N)">Asn-&gt;Arg (N)</option>
      <option value="Asn-&gt;Asp (N)">Asn-&gt;Asp (N)</option>
      <option value="Asn-&gt;Cys (N)">Asn-&gt;Cys (N)</option>
      <option value="Asn-&gt;Gln (N)">Asn-&gt;Gln (N)</option>
      <option value="Asn-&gt;Glu (N)">Asn-&gt;Glu (N)</option>
      <option value="Asn-&gt;Gly (N)">Asn-&gt;Gly (N)</option>
      <option value="Asn-&gt;His (N)">Asn-&gt;His (N)</option>
      <option value="Asn-&gt;Lys (N)">Asn-&gt;Lys (N)</option>
      <option value="Asn-&gt;Met (N)">Asn-&gt;Met (N)</option>
      <option value="Asn-&gt;Phe (N)">Asn-&gt;Phe (N)</option>
      <option value="Asn-&gt;Pro (N)">Asn-&gt;Pro (N)</option>
      <option value="Asn-&gt;Ser (N)">Asn-&gt;Ser (N)</option>
      <option value="Asn-&gt;Thr (N)">Asn-&gt;Thr (N)</option>
      <option value="Asn-&gt;Trp (N)">Asn-&gt;Trp (N)</option>
      <option value="Asn-&gt;Tyr (N)">Asn-&gt;Tyr (N)</option>
      <option value="Asn-&gt;Val (N)">Asn-&gt;Val (N)</option>
      <option value="Asn-&gt;Xle (N)">Asn-&gt;Xle (N)</option>
      <option value="Asp-&gt;Ala (D)">Asp-&gt;Ala (D)</option>
      <option value="Asp-&gt;Arg (D)">Asp-&gt;Arg (D)</option>
      <option value="Asp-&gt;Asn (D)">Asp-&gt;Asn (D)</option>
      <option value="Asp-&gt;Cys (D)">Asp-&gt;Cys (D)</option>
      <option value="Asp-&gt;Gln (D)">Asp-&gt;Gln (D)</option>
      <option value="Asp-&gt;Glu (D)">Asp-&gt;Glu (D)</option>
      <option value="Asp-&gt;Gly (D)">Asp-&gt;Gly (D)</option>
      <option value="Asp-&gt;His (D)">Asp-&gt;His (D)</option>
      <option value="Asp-&gt;Lys (D)">Asp-&gt;Lys (D)</option>
      <option value="Asp-&gt;Met (D)">Asp-&gt;Met (D)</option>
      <option value="Asp-&gt;Phe (D)">Asp-&gt;Phe (D)</option>
      <option value="Asp-&gt;Pro (D)">Asp-&gt;Pro (D)</option>
      <option value="Asp-&gt;Ser (D)">Asp-&gt;Ser (D)</option>
      <option value="Asp-&gt;Thr (D)">Asp-&gt;Thr (D)</option>
      <option value="Asp-&gt;Trp (D)">Asp-&gt;Trp (D)</option>
      <option value="Asp-&gt;Tyr (D)">Asp-&gt;Tyr (D)</option>
      <option value="Asp-&gt;Val (D)">Asp-&gt;Val (D)</option>
      <option value="Asp-&gt;Xle (D)">Asp-&gt;Xle (D)</option>
      <option value="Aspartylurea (H)">Aspartylurea (H)</option>
      <option value="Atto495Maleimide (C)">Atto495Maleimide (C)</option>
      <option value="AzidoF (F)">AzidoF (F)</option>
      <option value="azole (C)">azole (C)</option>
      <option value="azole (S)">azole (S)</option>
      <option value="Bacillosamine (N)">Bacillosamine (N)</option>
      <option value="BADGE (C)">BADGE (C)</option>
      <option value="BDMAPP (H)">BDMAPP (H)</option>
      <option value="BDMAPP (K)">BDMAPP (K)</option>
      <option value="BDMAPP (Protein N-term)">BDMAPP (Protein N-term)</option>
      <option value="BDMAPP (W)">BDMAPP (W)</option>
      <option value="BDMAPP (Y)">BDMAPP (Y)</option>
      <option value="BEMAD_C (C)">BEMAD_C (C)</option>
      <option value="BEMAD_C:2H(6) (C)">BEMAD_C:2H(6) (C)</option>
      <option value="BEMAD_ST (S)">BEMAD_ST (S)</option>
      <option value="BEMAD_ST (T)">BEMAD_ST (T)</option>
      <option value="BEMAD_ST:2H(6) (S)">BEMAD_ST:2H(6) (S)</option>
      <option value="BEMAD_ST:2H(6) (T)">BEMAD_ST:2H(6) (T)</option>
      <option value="Benzoyl (K)">Benzoyl (K)</option>
      <option value="Benzoyl (N-term)">Benzoyl (N-term)</option>
      <option value="benzylguanidine (K)">benzylguanidine (K)</option>
      <option value="betaFNA (C)">betaFNA (C)</option>
      <option value="betaFNA (K)">betaFNA (K)</option>
      <option value="BHT (C)">BHT (C)</option>
      <option value="BHT (H)">BHT (H)</option>
      <option value="BHT (K)">BHT (K)</option>
      <option value="BHTOH (C)">BHTOH (C)</option>
      <option value="BHTOH (H)">BHTOH (H)</option>
      <option value="BHTOH (K)">BHTOH (K)</option>
      <option value="Biotin (K)">Biotin (K)</option>
      <option value="Biotin (N-term)">Biotin (N-term)</option>
      <option value="Biotin-HPDP (C)">Biotin-HPDP (C)</option>
      <option value="Biotin-PEG-PRA (M)">Biotin-PEG-PRA (M)</option>
      <option value="Biotin-PEO-Amine (D)">Biotin-PEO-Amine (D)</option>
      <option value="Biotin-PEO-Amine (E)">Biotin-PEO-Amine (E)</option>
      <option value="Biotin-PEO-Amine (Protein C-term)">Biotin-PEO-Amine (Protein C-term)</option>
      <option value="Biotin-phenacyl (C)">Biotin-phenacyl (C)</option>
      <option value="Biotin-phenacyl (H)">Biotin-phenacyl (H)</option>
      <option value="Biotin-phenacyl (S)">Biotin-phenacyl (S)</option>
      <option value="Biotin-tyramide (Y)">Biotin-tyramide (Y)</option>
      <option value="Biotin:Cayman-10013 (C)">Biotin:Cayman-10013 (C)</option>
      <option value="Biotin:Cayman-10141 (C)">Biotin:Cayman-10141 (C)</option>
      <option value="Biotin:Invitrogen-M1602 (C)">Biotin:Invitrogen-M1602 (C)</option>
      <option value="Biotin:Sigma-B1267 (C)">Biotin:Sigma-B1267 (C)</option>
      <option value="Biotin:Thermo-21325 (K)">Biotin:Thermo-21325 (K)</option>
      <option value="Biotin:Thermo-21328 (K)">Biotin:Thermo-21328 (K)</option>
      <option value="Biotin:Thermo-21328 (N-term)">Biotin:Thermo-21328 (N-term)</option>
      <option value="Biotin:Thermo-21330 (K)">Biotin:Thermo-21330 (K)</option>
      <option value="Biotin:Thermo-21330 (N-term)">Biotin:Thermo-21330 (N-term)</option>
      <option value="Biotin:Thermo-21345 (Q)">Biotin:Thermo-21345 (Q)</option>
      <option value="Biotin:Thermo-21360 (X)">Biotin:Thermo-21360 (X)</option>
      <option value="Biotin:Thermo-21901+2H2O (C)">Biotin:Thermo-21901+2H2O (C)</option>
      <option value="Biotin:Thermo-21901+H2O (C)">Biotin:Thermo-21901+H2O (C)</option>
      <option value="Biotin:Thermo-21911 (C)">Biotin:Thermo-21911 (C)</option>
      <option value="Biotin:Thermo-33033 (X)">Biotin:Thermo-33033 (X)</option>
      <option value="Biotin:Thermo-33033-H (X)">Biotin:Thermo-33033-H (X)</option>
      <option value="Biotin:Thermo-88310 (K)">Biotin:Thermo-88310 (K)</option>
      <option value="Biotin:Thermo-88317 (S)">Biotin:Thermo-88317 (S)</option>
      <option value="Biotin:Thermo-88317 (Y)">Biotin:Thermo-88317 (Y)</option>
      <option value="biotinAcrolein298 (C)">biotinAcrolein298 (C)</option>
      <option value="biotinAcrolein298 (H)">biotinAcrolein298 (H)</option>
      <option value="biotinAcrolein298 (K)">biotinAcrolein298 (K)</option>
      <option value="biotinAcrolein298 (Protein N-term)">biotinAcrolein298 (Protein N-term)</option>
      <option value="BisANS (K)">BisANS (K)</option>
      <option value="bisANS-sulfonates (K)">bisANS-sulfonates (K)</option>
      <option value="bisANS-sulfonates (S)">bisANS-sulfonates (S)</option>
      <option value="bisANS-sulfonates (T)">bisANS-sulfonates (T)</option>
      <option value="BITC (C)">BITC (C)</option>
      <option value="BITC (K)">BITC (K)</option>
      <option value="BITC (N-term)">BITC (N-term)</option>
      <option value="BMP-piperidinol (C)">BMP-piperidinol (C)</option>
      <option value="BMP-piperidinol (M)">BMP-piperidinol (M)</option>
      <option value="Bodipy (C)">Bodipy (C)</option>
      <option value="Brij35 (N-term)">Brij35 (N-term)</option>
      <option value="Brij58 (N-term)">Brij58 (N-term)</option>
      <option value="Bromo (F)">Bromo (F)</option>
      <option value="Bromo (H)">Bromo (H)</option>
      <option value="Bromo (W)">Bromo (W)</option>
      <option value="Bromo (Y)">Bromo (Y)</option>
      <option value="Bromobimane (C)">Bromobimane (C)</option>
      <option value="Butyryl (K)">Butyryl (K)</option>
      <option value="C8-QAT (K)">C8-QAT (K)</option>
      <option value="C8-QAT (N-term)">C8-QAT (N-term)</option>
      <option value="CAF (N-term)">CAF (N-term)</option>
      <option value="CAMthiopropanoyl (K)">CAMthiopropanoyl (K)</option>
      <option value="CAMthiopropanoyl (Protein N-term)">CAMthiopropanoyl (Protein N-term)</option>
      <option value="Can-FP-biotin (S)">Can-FP-biotin (S)</option>
      <option value="Can-FP-biotin (T)">Can-FP-biotin (T)</option>
      <option value="Can-FP-biotin (Y)">Can-FP-biotin (Y)</option>
      <option value="Carbamidomethyl (C)">Carbamidomethyl (C)</option>
      <option value="Carbamidomethyl (D)">Carbamidomethyl (D)</option>
      <option value="Carbamidomethyl (E)">Carbamidomethyl (E)</option>
      <option value="Carbamidomethyl (H)">Carbamidomethyl (H)</option>
      <option value="Carbamidomethyl (K)">Carbamidomethyl (K)</option>
      <option value="Carbamidomethyl (M)">Carbamidomethyl (M)</option>
      <option value="Carbamidomethyl (N-term)">Carbamidomethyl (N-term)</option>
      <option value="Carbamidomethyl (S)">Carbamidomethyl (S)</option>
      <option value="Carbamidomethyl (T)">Carbamidomethyl (T)</option>
      <option value="Carbamidomethyl (U)">Carbamidomethyl (U)</option>
      <option value="Carbamidomethyl (Y)">Carbamidomethyl (Y)</option>
      <option value="CarbamidomethylDTT (C)">CarbamidomethylDTT (C)</option>
      <option value="Carbamyl (C)">Carbamyl (C)</option>
      <option value="Carbamyl (K)">Carbamyl (K)</option>
      <option value="Carbamyl (M)">Carbamyl (M)</option>
      <option value="Carbamyl (N-term)">Carbamyl (N-term)</option>
      <option value="Carbamyl (Protein N-term)">Carbamyl (Protein N-term)</option>
      <option value="Carbamyl (R)">Carbamyl (R)</option>
      <option value="Carbamyl (S)">Carbamyl (S)</option>
      <option value="Carbamyl (T)">Carbamyl (T)</option>
      <option value="Carbamyl (Y)">Carbamyl (Y)</option>
      <option value="Carbofuran (S)">Carbofuran (S)</option>
      <option value="Carbonyl (A)">Carbonyl (A)</option>
      <option value="Carbonyl (E)">Carbonyl (E)</option>
      <option value="Carbonyl (I)">Carbonyl (I)</option>
      <option value="Carbonyl (L)">Carbonyl (L)</option>
      <option value="Carbonyl (Q)">Carbonyl (Q)</option>
      <option value="Carbonyl (R)">Carbonyl (R)</option>
      <option value="Carbonyl (S)">Carbonyl (S)</option>
      <option value="Carbonyl (V)">Carbonyl (V)</option>
      <option value="Carboxy (D)">Carboxy (D)</option>
      <option value="Carboxy (E)">Carboxy (E)</option>
      <option value="Carboxy (K)">Carboxy (K)</option>
      <option value="Carboxy (Protein N-term M)">Carboxy (Protein N-term M)</option>
      <option value="Carboxy (W)">Carboxy (W)</option>
      <option value="Carboxy-&gt;Thiocarboxy (Protein C-term G)">Carboxy-&gt;Thiocarboxy (Protein C-term G)</option>
      <option value="Carboxyethyl (H)">Carboxyethyl (H)</option>
      <option value="Carboxyethyl (K)">Carboxyethyl (K)</option>
      <option value="Carboxyethylpyrrole (K)">Carboxyethylpyrrole (K)</option>
      <option value="Carboxymethyl (C)">Carboxymethyl (C)</option>
      <option value="Carboxymethyl (K)">Carboxymethyl (K)</option>
      <option value="Carboxymethyl (N-term)">Carboxymethyl (N-term)</option>
      <option value="Carboxymethyl (U)">Carboxymethyl (U)</option>
      <option value="Carboxymethyl (W)">Carboxymethyl (W)</option>
      <option value="Carboxymethyl:13C(2) (C)">Carboxymethyl:13C(2) (C)</option>
      <option value="CarboxymethylDMAP (N-term)">CarboxymethylDMAP (N-term)</option>
      <option value="CarboxymethylDTT (C)">CarboxymethylDTT (C)</option>
      <option value="Cation:Ag (C-term)">Cation:Ag (C-term)</option>
      <option value="Cation:Ag (D)">Cation:Ag (D)</option>
      <option value="Cation:Ag (E)">Cation:Ag (E)</option>
      <option value="Cation:Al[III] (C-term)">Cation:Al[III] (C-term)</option>
      <option value="Cation:Al[III] (D)">Cation:Al[III] (D)</option>
      <option value="Cation:Al[III] (E)">Cation:Al[III] (E)</option>
      <option value="Cation:Ca[II] (C-term)">Cation:Ca[II] (C-term)</option>
      <option value="Cation:Ca[II] (D)">Cation:Ca[II] (D)</option>
      <option value="Cation:Ca[II] (E)">Cation:Ca[II] (E)</option>
      <option value="Cation:Cu[I] (C-term)">Cation:Cu[I] (C-term)</option>
      <option value="Cation:Cu[I] (D)">Cation:Cu[I] (D)</option>
      <option value="Cation:Cu[I] (E)">Cation:Cu[I] (E)</option>
      <option value="Cation:Cu[I] (H)">Cation:Cu[I] (H)</option>
      <option value="Cation:Fe[II] (C-term)">Cation:Fe[II] (C-term)</option>
      <option value="Cation:Fe[II] (D)">Cation:Fe[II] (D)</option>
      <option value="Cation:Fe[II] (E)">Cation:Fe[II] (E)</option>
      <option value="Cation:Fe[III] (C-term)">Cation:Fe[III] (C-term)</option>
      <option value="Cation:Fe[III] (D)">Cation:Fe[III] (D)</option>
      <option value="Cation:Fe[III] (E)">Cation:Fe[III] (E)</option>
      <option value="Cation:K (C-term)">Cation:K (C-term)</option>
      <option value="Cation:K (D)">Cation:K (D)</option>
      <option value="Cation:K (E)">Cation:K (E)</option>
      <option value="Cation:Li (C-term)">Cation:Li (C-term)</option>
      <option value="Cation:Li (D)">Cation:Li (D)</option>
      <option value="Cation:Li (E)">Cation:Li (E)</option>
      <option value="Cation:Mg[II] (C-term)">Cation:Mg[II] (C-term)</option>
      <option value="Cation:Mg[II] (D)">Cation:Mg[II] (D)</option>
      <option value="Cation:Mg[II] (E)">Cation:Mg[II] (E)</option>
      <option value="Cation:Na (C-term)">Cation:Na (C-term)</option>
      <option value="Cation:Na (D)">Cation:Na (D)</option>
      <option value="Cation:Na (E)">Cation:Na (E)</option>
      <option value="Cation:Ni[II] (C-term)">Cation:Ni[II] (C-term)</option>
      <option value="Cation:Ni[II] (D)">Cation:Ni[II] (D)</option>
      <option value="Cation:Ni[II] (E)">Cation:Ni[II] (E)</option>
      <option value="Cation:Zn[II] (C-term)">Cation:Zn[II] (C-term)</option>
      <option value="Cation:Zn[II] (D)">Cation:Zn[II] (D)</option>
      <option value="Cation:Zn[II] (E)">Cation:Zn[II] (E)</option>
      <option value="Cation:Zn[II] (H)">Cation:Zn[II] (H)</option>
      <option value="cGMP (C)">cGMP (C)</option>
      <option value="cGMP (S)">cGMP (S)</option>
      <option value="cGMP+RMP-loss (C)">cGMP+RMP-loss (C)</option>
      <option value="cGMP+RMP-loss (S)">cGMP+RMP-loss (S)</option>
      <option value="CHDH (D)">CHDH (D)</option>
      <option value="Chlorination (W)">Chlorination (W)</option>
      <option value="Chlorination (Y)">Chlorination (Y)</option>
      <option value="Cholesterol (Protein C-term)">Cholesterol (Protein C-term)</option>
      <option value="CIGG (K)">CIGG (K)</option>
      <option value="CLIP_TRAQ_2 (K)">CLIP_TRAQ_2 (K)</option>
      <option value="CLIP_TRAQ_2 (N-term)">CLIP_TRAQ_2 (N-term)</option>
      <option value="CLIP_TRAQ_2 (Y)">CLIP_TRAQ_2 (Y)</option>
      <option value="CLIP_TRAQ_3 (K)">CLIP_TRAQ_3 (K)</option>
      <option value="CLIP_TRAQ_3 (N-term)">CLIP_TRAQ_3 (N-term)</option>
      <option value="CLIP_TRAQ_3 (Y)">CLIP_TRAQ_3 (Y)</option>
      <option value="CLIP_TRAQ_4 (K)">CLIP_TRAQ_4 (K)</option>
      <option value="CLIP_TRAQ_4 (N-term)">CLIP_TRAQ_4 (N-term)</option>
      <option value="CLIP_TRAQ_4 (Y)">CLIP_TRAQ_4 (Y)</option>
      <option value="CoenzymeA (C)">CoenzymeA (C)</option>
      <option value="Cresylphosphate (H)">Cresylphosphate (H)</option>
      <option value="Cresylphosphate (K)">Cresylphosphate (K)</option>
      <option value="Cresylphosphate (R)">Cresylphosphate (R)</option>
      <option value="Cresylphosphate (S)">Cresylphosphate (S)</option>
      <option value="Cresylphosphate (T)">Cresylphosphate (T)</option>
      <option value="Cresylphosphate (Y)">Cresylphosphate (Y)</option>
      <option value="CresylSaligeninPhosphate (H)">CresylSaligeninPhosphate (H)</option>
      <option value="CresylSaligeninPhosphate (K)">CresylSaligeninPhosphate (K)</option>
      <option value="CresylSaligeninPhosphate (R)">CresylSaligeninPhosphate (R)</option>
      <option value="CresylSaligeninPhosphate (S)">CresylSaligeninPhosphate (S)</option>
      <option value="CresylSaligeninPhosphate (T)">CresylSaligeninPhosphate (T)</option>
      <option value="CresylSaligeninPhosphate (Y)">CresylSaligeninPhosphate (Y)</option>
      <option value="Crotonaldehyde (C)">Crotonaldehyde (C)</option>
      <option value="Crotonaldehyde (H)">Crotonaldehyde (H)</option>
      <option value="Crotonaldehyde (K)">Crotonaldehyde (K)</option>
      <option value="Crotonyl (K)">Crotonyl (K)</option>
      <option value="CuSMo (C)">CuSMo (C)</option>
      <option value="CUSTOM0 (A)">CUSTOM0 (A)</option>
      <option value="CUSTOM0 (C)">CUSTOM0 (C)</option>
      <option value="CUSTOM0 (C-term)">CUSTOM0 (C-term)</option>
      <option value="CUSTOM0 (D)">CUSTOM0 (D)</option>
      <option value="CUSTOM0 (E)">CUSTOM0 (E)</option>
      <option value="CUSTOM0 (F)">CUSTOM0 (F)</option>
      <option value="CUSTOM0 (G)">CUSTOM0 (G)</option>
      <option value="CUSTOM0 (H)">CUSTOM0 (H)</option>
      <option value="CUSTOM0 (I)">CUSTOM0 (I)</option>
      <option value="CUSTOM0 (K)">CUSTOM0 (K)</option>
      <option value="CUSTOM0 (L)">CUSTOM0 (L)</option>
      <option value="CUSTOM0 (M)">CUSTOM0 (M)</option>
      <option value="CUSTOM0 (N)">CUSTOM0 (N)</option>
      <option value="CUSTOM0 (N-term)">CUSTOM0 (N-term)</option>
      <option value="CUSTOM0 (P)">CUSTOM0 (P)</option>
      <option value="CUSTOM0 (Q)">CUSTOM0 (Q)</option>
      <option value="CUSTOM0 (R)">CUSTOM0 (R)</option>
      <option value="CUSTOM0 (S)">CUSTOM0 (S)</option>
      <option value="CUSTOM0 (T)">CUSTOM0 (T)</option>
      <option value="CUSTOM0 (V)">CUSTOM0 (V)</option>
      <option value="CUSTOM0 (W)">CUSTOM0 (W)</option>
      <option value="CUSTOM0 (Y)">CUSTOM0 (Y)</option>
      <option value="CUSTOM1 (A)">CUSTOM1 (A)</option>
      <option value="CUSTOM1 (C)">CUSTOM1 (C)</option>
      <option value="CUSTOM1 (C-term)">CUSTOM1 (C-term)</option>
      <option value="CUSTOM1 (D)">CUSTOM1 (D)</option>
      <option value="CUSTOM1 (E)">CUSTOM1 (E)</option>
      <option value="CUSTOM1 (F)">CUSTOM1 (F)</option>
      <option value="CUSTOM1 (G)">CUSTOM1 (G)</option>
      <option value="CUSTOM1 (H)">CUSTOM1 (H)</option>
      <option value="CUSTOM1 (I)">CUSTOM1 (I)</option>
      <option value="CUSTOM1 (K)">CUSTOM1 (K)</option>
      <option value="CUSTOM1 (L)">CUSTOM1 (L)</option>
      <option value="CUSTOM1 (M)">CUSTOM1 (M)</option>
      <option value="CUSTOM1 (N)">CUSTOM1 (N)</option>
      <option value="CUSTOM1 (N-term)">CUSTOM1 (N-term)</option>
      <option value="CUSTOM1 (P)">CUSTOM1 (P)</option>
      <option value="CUSTOM1 (Q)">CUSTOM1 (Q)</option>
      <option value="CUSTOM1 (R)">CUSTOM1 (R)</option>
      <option value="CUSTOM1 (S)">CUSTOM1 (S)</option>
      <option value="CUSTOM1 (T)">CUSTOM1 (T)</option>
      <option value="CUSTOM1 (V)">CUSTOM1 (V)</option>
      <option value="CUSTOM1 (W)">CUSTOM1 (W)</option>
      <option value="CUSTOM1 (Y)">CUSTOM1 (Y)</option>
      <option value="CUSTOM2 (A)">CUSTOM2 (A)</option>
      <option value="CUSTOM2 (C)">CUSTOM2 (C)</option>
      <option value="CUSTOM2 (C-term)">CUSTOM2 (C-term)</option>
      <option value="CUSTOM2 (D)">CUSTOM2 (D)</option>
      <option value="CUSTOM2 (E)">CUSTOM2 (E)</option>
      <option value="CUSTOM2 (F)">CUSTOM2 (F)</option>
      <option value="CUSTOM2 (G)">CUSTOM2 (G)</option>
      <option value="CUSTOM2 (H)">CUSTOM2 (H)</option>
      <option value="CUSTOM2 (I)">CUSTOM2 (I)</option>
      <option value="CUSTOM2 (K)">CUSTOM2 (K)</option>
      <option value="CUSTOM2 (L)">CUSTOM2 (L)</option>
      <option value="CUSTOM2 (M)">CUSTOM2 (M)</option>
      <option value="CUSTOM2 (N)">CUSTOM2 (N)</option>
      <option value="CUSTOM2 (N-term)">CUSTOM2 (N-term)</option>
      <option value="CUSTOM2 (P)">CUSTOM2 (P)</option>
      <option value="CUSTOM2 (Q)">CUSTOM2 (Q)</option>
      <option value="CUSTOM2 (R)">CUSTOM2 (R)</option>
      <option value="CUSTOM2 (S)">CUSTOM2 (S)</option>
      <option value="CUSTOM2 (T)">CUSTOM2 (T)</option>
      <option value="CUSTOM2 (V)">CUSTOM2 (V)</option>
      <option value="CUSTOM2 (W)">CUSTOM2 (W)</option>
      <option value="CUSTOM2 (Y)">CUSTOM2 (Y)</option>
      <option value="CUSTOM3 (A)">CUSTOM3 (A)</option>
      <option value="CUSTOM3 (C)">CUSTOM3 (C)</option>
      <option value="CUSTOM3 (C-term)">CUSTOM3 (C-term)</option>
      <option value="CUSTOM3 (D)">CUSTOM3 (D)</option>
      <option value="CUSTOM3 (E)">CUSTOM3 (E)</option>
      <option value="CUSTOM3 (F)">CUSTOM3 (F)</option>
      <option value="CUSTOM3 (G)">CUSTOM3 (G)</option>
      <option value="CUSTOM3 (H)">CUSTOM3 (H)</option>
      <option value="CUSTOM3 (I)">CUSTOM3 (I)</option>
      <option value="CUSTOM3 (K)">CUSTOM3 (K)</option>
      <option value="CUSTOM3 (L)">CUSTOM3 (L)</option>
      <option value="CUSTOM3 (M)">CUSTOM3 (M)</option>
      <option value="CUSTOM3 (N)">CUSTOM3 (N)</option>
      <option value="CUSTOM3 (N-term)">CUSTOM3 (N-term)</option>
      <option value="CUSTOM3 (P)">CUSTOM3 (P)</option>
      <option value="CUSTOM3 (Q)">CUSTOM3 (Q)</option>
      <option value="CUSTOM3 (R)">CUSTOM3 (R)</option>
      <option value="CUSTOM3 (S)">CUSTOM3 (S)</option>
      <option value="CUSTOM3 (T)">CUSTOM3 (T)</option>
      <option value="CUSTOM3 (V)">CUSTOM3 (V)</option>
      <option value="CUSTOM3 (W)">CUSTOM3 (W)</option>
      <option value="CUSTOM3 (Y)">CUSTOM3 (Y)</option>
      <option value="CUSTOM4 (A)">CUSTOM4 (A)</option>
      <option value="CUSTOM4 (C)">CUSTOM4 (C)</option>
      <option value="CUSTOM4 (C-term)">CUSTOM4 (C-term)</option>
      <option value="CUSTOM4 (D)">CUSTOM4 (D)</option>
      <option value="CUSTOM4 (E)">CUSTOM4 (E)</option>
      <option value="CUSTOM4 (F)">CUSTOM4 (F)</option>
      <option value="CUSTOM4 (G)">CUSTOM4 (G)</option>
      <option value="CUSTOM4 (H)">CUSTOM4 (H)</option>
      <option value="CUSTOM4 (I)">CUSTOM4 (I)</option>
      <option value="CUSTOM4 (K)">CUSTOM4 (K)</option>
      <option value="CUSTOM4 (L)">CUSTOM4 (L)</option>
      <option value="CUSTOM4 (M)">CUSTOM4 (M)</option>
      <option value="CUSTOM4 (N)">CUSTOM4 (N)</option>
      <option value="CUSTOM4 (N-term)">CUSTOM4 (N-term)</option>
      <option value="CUSTOM4 (P)">CUSTOM4 (P)</option>
      <option value="CUSTOM4 (Q)">CUSTOM4 (Q)</option>
      <option value="CUSTOM4 (R)">CUSTOM4 (R)</option>
      <option value="CUSTOM4 (S)">CUSTOM4 (S)</option>
      <option value="CUSTOM4 (T)">CUSTOM4 (T)</option>
      <option value="CUSTOM4 (V)">CUSTOM4 (V)</option>
      <option value="CUSTOM4 (W)">CUSTOM4 (W)</option>
      <option value="CUSTOM4 (Y)">CUSTOM4 (Y)</option>
      <option value="CUSTOM5 (A)">CUSTOM5 (A)</option>
      <option value="CUSTOM5 (C)">CUSTOM5 (C)</option>
      <option value="CUSTOM5 (C-term)">CUSTOM5 (C-term)</option>
      <option value="CUSTOM5 (D)">CUSTOM5 (D)</option>
      <option value="CUSTOM5 (E)">CUSTOM5 (E)</option>
      <option value="CUSTOM5 (F)">CUSTOM5 (F)</option>
      <option value="CUSTOM5 (G)">CUSTOM5 (G)</option>
      <option value="CUSTOM5 (H)">CUSTOM5 (H)</option>
      <option value="CUSTOM5 (I)">CUSTOM5 (I)</option>
      <option value="CUSTOM5 (K)">CUSTOM5 (K)</option>
      <option value="CUSTOM5 (L)">CUSTOM5 (L)</option>
      <option value="CUSTOM5 (M)">CUSTOM5 (M)</option>
      <option value="CUSTOM5 (N)">CUSTOM5 (N)</option>
      <option value="CUSTOM5 (N-term)">CUSTOM5 (N-term)</option>
      <option value="CUSTOM5 (P)">CUSTOM5 (P)</option>
      <option value="CUSTOM5 (Q)">CUSTOM5 (Q)</option>
      <option value="CUSTOM5 (R)">CUSTOM5 (R)</option>
      <option value="CUSTOM5 (S)">CUSTOM5 (S)</option>
      <option value="CUSTOM5 (T)">CUSTOM5 (T)</option>
      <option value="CUSTOM5 (V)">CUSTOM5 (V)</option>
      <option value="CUSTOM5 (W)">CUSTOM5 (W)</option>
      <option value="CUSTOM5 (Y)">CUSTOM5 (Y)</option>
      <option value="CUSTOM6 (A)">CUSTOM6 (A)</option>
      <option value="CUSTOM6 (C)">CUSTOM6 (C)</option>
      <option value="CUSTOM6 (C-term)">CUSTOM6 (C-term)</option>
      <option value="CUSTOM6 (D)">CUSTOM6 (D)</option>
      <option value="CUSTOM6 (E)">CUSTOM6 (E)</option>
      <option value="CUSTOM6 (F)">CUSTOM6 (F)</option>
      <option value="CUSTOM6 (G)">CUSTOM6 (G)</option>
      <option value="CUSTOM6 (H)">CUSTOM6 (H)</option>
      <option value="CUSTOM6 (I)">CUSTOM6 (I)</option>
      <option value="CUSTOM6 (K)">CUSTOM6 (K)</option>
      <option value="CUSTOM6 (L)">CUSTOM6 (L)</option>
      <option value="CUSTOM6 (M)">CUSTOM6 (M)</option>
      <option value="CUSTOM6 (N)">CUSTOM6 (N)</option>
      <option value="CUSTOM6 (N-term)">CUSTOM6 (N-term)</option>
      <option value="CUSTOM6 (P)">CUSTOM6 (P)</option>
      <option value="CUSTOM6 (Q)">CUSTOM6 (Q)</option>
      <option value="CUSTOM6 (R)">CUSTOM6 (R)</option>
      <option value="CUSTOM6 (S)">CUSTOM6 (S)</option>
      <option value="CUSTOM6 (T)">CUSTOM6 (T)</option>
      <option value="CUSTOM6 (V)">CUSTOM6 (V)</option>
      <option value="CUSTOM6 (W)">CUSTOM6 (W)</option>
      <option value="CUSTOM6 (Y)">CUSTOM6 (Y)</option>
      <option value="CUSTOM7 (A)">CUSTOM7 (A)</option>
      <option value="CUSTOM7 (C)">CUSTOM7 (C)</option>
      <option value="CUSTOM7 (C-term)">CUSTOM7 (C-term)</option>
      <option value="CUSTOM7 (D)">CUSTOM7 (D)</option>
      <option value="CUSTOM7 (E)">CUSTOM7 (E)</option>
      <option value="CUSTOM7 (F)">CUSTOM7 (F)</option>
      <option value="CUSTOM7 (G)">CUSTOM7 (G)</option>
      <option value="CUSTOM7 (H)">CUSTOM7 (H)</option>
      <option value="CUSTOM7 (I)">CUSTOM7 (I)</option>
      <option value="CUSTOM7 (K)">CUSTOM7 (K)</option>
      <option value="CUSTOM7 (L)">CUSTOM7 (L)</option>
      <option value="CUSTOM7 (M)">CUSTOM7 (M)</option>
      <option value="CUSTOM7 (N)">CUSTOM7 (N)</option>
      <option value="CUSTOM7 (N-term)">CUSTOM7 (N-term)</option>
      <option value="CUSTOM7 (P)">CUSTOM7 (P)</option>
      <option value="CUSTOM7 (Q)">CUSTOM7 (Q)</option>
      <option value="CUSTOM7 (R)">CUSTOM7 (R)</option>
      <option value="CUSTOM7 (S)">CUSTOM7 (S)</option>
      <option value="CUSTOM7 (T)">CUSTOM7 (T)</option>
      <option value="CUSTOM7 (V)">CUSTOM7 (V)</option>
      <option value="CUSTOM7 (W)">CUSTOM7 (W)</option>
      <option value="CUSTOM7 (Y)">CUSTOM7 (Y)</option>
      <option value="CUSTOM8 (A)">CUSTOM8 (A)</option>
      <option value="CUSTOM8 (C)">CUSTOM8 (C)</option>
      <option value="CUSTOM8 (C-term)">CUSTOM8 (C-term)</option>
      <option value="CUSTOM8 (D)">CUSTOM8 (D)</option>
      <option value="CUSTOM8 (E)">CUSTOM8 (E)</option>
      <option value="CUSTOM8 (F)">CUSTOM8 (F)</option>
      <option value="CUSTOM8 (G)">CUSTOM8 (G)</option>
      <option value="CUSTOM8 (H)">CUSTOM8 (H)</option>
      <option value="CUSTOM8 (I)">CUSTOM8 (I)</option>
      <option value="CUSTOM8 (K)">CUSTOM8 (K)</option>
      <option value="CUSTOM8 (L)">CUSTOM8 (L)</option>
      <option value="CUSTOM8 (M)">CUSTOM8 (M)</option>
      <option value="CUSTOM8 (N)">CUSTOM8 (N)</option>
      <option value="CUSTOM8 (N-term)">CUSTOM8 (N-term)</option>
      <option value="CUSTOM8 (P)">CUSTOM8 (P)</option>
      <option value="CUSTOM8 (Q)">CUSTOM8 (Q)</option>
      <option value="CUSTOM8 (R)">CUSTOM8 (R)</option>
      <option value="CUSTOM8 (S)">CUSTOM8 (S)</option>
      <option value="CUSTOM8 (T)">CUSTOM8 (T)</option>
      <option value="CUSTOM8 (V)">CUSTOM8 (V)</option>
      <option value="CUSTOM8 (W)">CUSTOM8 (W)</option>
      <option value="CUSTOM8 (Y)">CUSTOM8 (Y)</option>
      <option value="CUSTOM9 (A)">CUSTOM9 (A)</option>
      <option value="CUSTOM9 (C)">CUSTOM9 (C)</option>
      <option value="CUSTOM9 (C-term)">CUSTOM9 (C-term)</option>
      <option value="CUSTOM9 (D)">CUSTOM9 (D)</option>
      <option value="CUSTOM9 (E)">CUSTOM9 (E)</option>
      <option value="CUSTOM9 (F)">CUSTOM9 (F)</option>
      <option value="CUSTOM9 (G)">CUSTOM9 (G)</option>
      <option value="CUSTOM9 (H)">CUSTOM9 (H)</option>
      <option value="CUSTOM9 (I)">CUSTOM9 (I)</option>
      <option value="CUSTOM9 (K)">CUSTOM9 (K)</option>
      <option value="CUSTOM9 (L)">CUSTOM9 (L)</option>
      <option value="CUSTOM9 (M)">CUSTOM9 (M)</option>
      <option value="CUSTOM9 (N)">CUSTOM9 (N)</option>
      <option value="CUSTOM9 (N-term)">CUSTOM9 (N-term)</option>
      <option value="CUSTOM9 (P)">CUSTOM9 (P)</option>
      <option value="CUSTOM9 (Q)">CUSTOM9 (Q)</option>
      <option value="CUSTOM9 (R)">CUSTOM9 (R)</option>
      <option value="CUSTOM9 (S)">CUSTOM9 (S)</option>
      <option value="CUSTOM9 (T)">CUSTOM9 (T)</option>
      <option value="CUSTOM9 (V)">CUSTOM9 (V)</option>
      <option value="CUSTOM9 (W)">CUSTOM9 (W)</option>
      <option value="CUSTOM9 (Y)">CUSTOM9 (Y)</option>
      <option value="Cy3-maleimide (C)">Cy3-maleimide (C)</option>
      <option value="Cy3b-maleimide (C)">Cy3b-maleimide (C)</option>
      <option value="Cyano (C)">Cyano (C)</option>
      <option value="CyDye-Cy3 (C)">CyDye-Cy3 (C)</option>
      <option value="CyDye-Cy5 (C)">CyDye-Cy5 (C)</option>
      <option value="Cys-&gt;Ala (C)">Cys-&gt;Ala (C)</option>
      <option value="Cys-&gt;Arg (C)">Cys-&gt;Arg (C)</option>
      <option value="Cys-&gt;Asn (C)">Cys-&gt;Asn (C)</option>
      <option value="Cys-&gt;Asp (C)">Cys-&gt;Asp (C)</option>
      <option value="Cys-&gt;CamSec (C)">Cys-&gt;CamSec (C)</option>
      <option value="Cys-&gt;Dha (C)">Cys-&gt;Dha (C)</option>
      <option value="Cys-&gt;ethylaminoAla (C)">Cys-&gt;ethylaminoAla (C)</option>
      <option value="Cys-&gt;Gln (C)">Cys-&gt;Gln (C)</option>
      <option value="Cys-&gt;Glu (C)">Cys-&gt;Glu (C)</option>
      <option value="Cys-&gt;Gly (C)">Cys-&gt;Gly (C)</option>
      <option value="Cys-&gt;His (C)">Cys-&gt;His (C)</option>
      <option value="Cys-&gt;Lys (C)">Cys-&gt;Lys (C)</option>
      <option value="Cys-&gt;Met (C)">Cys-&gt;Met (C)</option>
      <option value="Cys-&gt;methylaminoAla (C)">Cys-&gt;methylaminoAla (C)</option>
      <option value="Cys-&gt;Oxoalanine (C)">Cys-&gt;Oxoalanine (C)</option>
      <option value="Cys-&gt;Phe (C)">Cys-&gt;Phe (C)</option>
      <option value="Cys-&gt;Pro (C)">Cys-&gt;Pro (C)</option>
      <option value="Cys-&gt;PyruvicAcid (Protein N-term C)">Cys-&gt;PyruvicAcid (Protein N-term C)</option>
      <option value="Cys-&gt;SecNEM (C)">Cys-&gt;SecNEM (C)</option>
      <option value="Cys-&gt;SecNEM:2H(5) (C)">Cys-&gt;SecNEM:2H(5) (C)</option>
      <option value="Cys-&gt;Ser (C)">Cys-&gt;Ser (C)</option>
      <option value="Cys-&gt;Thr (C)">Cys-&gt;Thr (C)</option>
      <option value="Cys-&gt;Trp (C)">Cys-&gt;Trp (C)</option>
      <option value="Cys-&gt;Tyr (C)">Cys-&gt;Tyr (C)</option>
      <option value="Cys-&gt;Val (C)">Cys-&gt;Val (C)</option>
      <option value="Cys-&gt;Xle (C)">Cys-&gt;Xle (C)</option>
      <option value="Cysteinyl (C)">Cysteinyl (C)</option>
      <option value="cysTMT (C)">cysTMT (C)</option>
      <option value="cysTMT6plex (C)">cysTMT6plex (C)</option>
      <option value="Cytopiloyne (C)">Cytopiloyne (C)</option>
      <option value="Cytopiloyne (K)">Cytopiloyne (K)</option>
      <option value="Cytopiloyne (N-term)">Cytopiloyne (N-term)</option>
      <option value="Cytopiloyne (P)">Cytopiloyne (P)</option>
      <option value="Cytopiloyne (R)">Cytopiloyne (R)</option>
      <option value="Cytopiloyne (S)">Cytopiloyne (S)</option>
      <option value="Cytopiloyne (Y)">Cytopiloyne (Y)</option>
      <option value="Cytopiloyne+water (C)">Cytopiloyne+water (C)</option>
      <option value="Cytopiloyne+water (K)">Cytopiloyne+water (K)</option>
      <option value="Cytopiloyne+water (N-term)">Cytopiloyne+water (N-term)</option>
      <option value="Cytopiloyne+water (R)">Cytopiloyne+water (R)</option>
      <option value="Cytopiloyne+water (S)">Cytopiloyne+water (S)</option>
      <option value="Cytopiloyne+water (T)">Cytopiloyne+water (T)</option>
      <option value="Cytopiloyne+water (Y)">Cytopiloyne+water (Y)</option>
      <option value="DAET (S)">DAET (S)</option>
      <option value="DAET (T)">DAET (T)</option>
      <option value="Dansyl (K)">Dansyl (K)</option>
      <option value="Dansyl (N-term)">Dansyl (N-term)</option>
      <option value="Dap-DSP (A)">Dap-DSP (A)</option>
      <option value="Dap-DSP (E)">Dap-DSP (E)</option>
      <option value="Dap-DSP (K)">Dap-DSP (K)</option>
      <option value="Deamidated (N)">Deamidated (N)</option>
      <option value="Deamidated (Protein N-term F)">Deamidated (Protein N-term F)</option>
      <option value="Deamidated (Q)">Deamidated (Q)</option>
      <option value="Deamidated (R)">Deamidated (R)</option>
      <option value="Deamidated:18O(1) (N)">Deamidated:18O(1) (N)</option>
      <option value="Deamidated:18O(1) (Q)">Deamidated:18O(1) (Q)</option>
      <option value="Decanoyl (S)">Decanoyl (S)</option>
      <option value="Decanoyl (T)">Decanoyl (T)</option>
      <option value="Decarboxylation (D)">Decarboxylation (D)</option>
      <option value="Decarboxylation (E)">Decarboxylation (E)</option>
      <option value="DEDGFLYMVYASQETFG (K)">DEDGFLYMVYASQETFG (K)</option>
      <option value="Dehydrated (D)">Dehydrated (D)</option>
      <option value="Dehydrated (N-term C)">Dehydrated (N-term C)</option>
      <option value="Dehydrated (Protein C-term N)">Dehydrated (Protein C-term N)</option>
      <option value="Dehydrated (Protein C-term Q)">Dehydrated (Protein C-term Q)</option>
      <option value="Dehydrated (S)">Dehydrated (S)</option>
      <option value="Dehydrated (T)">Dehydrated (T)</option>
      <option value="Dehydrated (Y)">Dehydrated (Y)</option>
      <option value="Dehydro (C)">Dehydro (C)</option>
      <option value="Delta:H(-4)O(2) (W)">Delta:H(-4)O(2) (W)</option>
      <option value="Delta:H(-4)O(3) (W)">Delta:H(-4)O(3) (W)</option>
      <option value="Delta:H(1)N(-1)18O(1) (N)">Delta:H(1)N(-1)18O(1) (N)</option>
      <option value="Delta:H(10)C(8)O(1) (K)">Delta:H(10)C(8)O(1) (K)</option>
      <option value="Delta:H(2)C(2) (H)">Delta:H(2)C(2) (H)</option>
      <option value="Delta:H(2)C(2) (K)">Delta:H(2)C(2) (K)</option>
      <option value="Delta:H(2)C(2) (N-term)">Delta:H(2)C(2) (N-term)</option>
      <option value="Delta:H(2)C(2) (Protein N-term)">Delta:H(2)C(2) (Protein N-term)</option>
      <option value="Delta:H(2)C(3) (K)">Delta:H(2)C(3) (K)</option>
      <option value="Delta:H(2)C(3)O(1) (K)">Delta:H(2)C(3)O(1) (K)</option>
      <option value="Delta:H(2)C(3)O(1) (R)">Delta:H(2)C(3)O(1) (R)</option>
      <option value="Delta:H(2)C(5) (K)">Delta:H(2)C(5) (K)</option>
      <option value="Delta:H(3)C(3)O(2) (K)">Delta:H(3)C(3)O(2) (K)</option>
      <option value="Delta:H(4)C(2) (H)">Delta:H(4)C(2) (H)</option>
      <option value="Delta:H(4)C(2) (K)">Delta:H(4)C(2) (K)</option>
      <option value="Delta:H(4)C(2) (N-term)">Delta:H(4)C(2) (N-term)</option>
      <option value="Delta:H(4)C(2)O(-1)S(1) (S)">Delta:H(4)C(2)O(-1)S(1) (S)</option>
      <option value="Delta:H(4)C(3) (H)">Delta:H(4)C(3) (H)</option>
      <option value="Delta:H(4)C(3) (K)">Delta:H(4)C(3) (K)</option>
      <option value="Delta:H(4)C(3) (Protein N-term)">Delta:H(4)C(3) (Protein N-term)</option>
      <option value="Delta:H(4)C(3)O(1) (C)">Delta:H(4)C(3)O(1) (C)</option>
      <option value="Delta:H(4)C(3)O(1) (H)">Delta:H(4)C(3)O(1) (H)</option>
      <option value="Delta:H(4)C(3)O(1) (K)">Delta:H(4)C(3)O(1) (K)</option>
      <option value="Delta:H(4)C(3)O(1) (R)">Delta:H(4)C(3)O(1) (R)</option>
      <option value="Delta:H(4)C(5)O(1) (R)">Delta:H(4)C(5)O(1) (R)</option>
      <option value="Delta:H(4)C(6) (K)">Delta:H(4)C(6) (K)</option>
      <option value="Delta:H(5)C(2) (P)">Delta:H(5)C(2) (P)</option>
      <option value="Delta:H(6)C(3)O(1) (C)">Delta:H(6)C(3)O(1) (C)</option>
      <option value="Delta:H(6)C(3)O(1) (H)">Delta:H(6)C(3)O(1) (H)</option>
      <option value="Delta:H(6)C(3)O(1) (K)">Delta:H(6)C(3)O(1) (K)</option>
      <option value="Delta:H(6)C(3)O(1) (Protein N-term)">Delta:H(6)C(3)O(1) (Protein N-term)</option>
      <option value="Delta:H(6)C(6)O(1) (K)">Delta:H(6)C(6)O(1) (K)</option>
      <option value="Delta:H(6)C(7)O(4) (R)">Delta:H(6)C(7)O(4) (R)</option>
      <option value="Delta:H(8)C(6)O(1) (K)">Delta:H(8)C(6)O(1) (K)</option>
      <option value="Delta:H(8)C(6)O(1) (Protein N-term)">Delta:H(8)C(6)O(1) (Protein N-term)</option>
      <option value="Delta:H(8)C(6)O(2) (K)">Delta:H(8)C(6)O(2) (K)</option>
      <option value="Delta:Hg(1) (C)">Delta:Hg(1) (C)</option>
      <option value="Delta:O(4) (W)">Delta:O(4) (W)</option>
      <option value="Delta:S(-1)Se(1) (C)">Delta:S(-1)Se(1) (C)</option>
      <option value="Delta:S(-1)Se(1) (M)">Delta:S(-1)Se(1) (M)</option>
      <option value="Delta:Se(1) (C)">Delta:Se(1) (C)</option>
      <option value="Deoxy (D)">Deoxy (D)</option>
      <option value="Deoxy (S)">Deoxy (S)</option>
      <option value="Deoxy (T)">Deoxy (T)</option>
      <option value="Deoxyhypusine (K)">Deoxyhypusine (K)</option>
      <option value="Deoxyhypusine (Q)">Deoxyhypusine (Q)</option>
      <option value="DeStreak (C)">DeStreak (C)</option>
      <option value="Dethiomethyl (M)">Dethiomethyl (M)</option>
      <option value="dHex (N)">dHex (N)</option>
      <option value="dHex (S)">dHex (S)</option>
      <option value="dHex (T)">dHex (T)</option>
      <option value="dHex(1)Hex(1) (S)">dHex(1)Hex(1) (S)</option>
      <option value="dHex(1)Hex(1) (T)">dHex(1)Hex(1) (T)</option>
      <option value="dHex(1)Hex(1)HexA(1)HexNAc(3) (S)">dHex(1)Hex(1)HexA(1)HexNAc(3) (S)</option>
      <option value="dHex(1)Hex(1)HexA(1)HexNAc(3) (T)">dHex(1)Hex(1)HexA(1)HexNAc(3) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(1)Kdn(1) (S)">dHex(1)Hex(1)HexNAc(1)Kdn(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(1)Kdn(1) (T)">dHex(1)Hex(1)HexNAc(1)Kdn(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(1)NeuAc(1) (S)">dHex(1)Hex(1)HexNAc(1)NeuAc(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(1)NeuAc(1) (T)">dHex(1)Hex(1)HexNAc(1)NeuAc(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(1)NeuGc(1) (S)">dHex(1)Hex(1)HexNAc(1)NeuGc(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(1)NeuGc(1) (T)">dHex(1)Hex(1)HexNAc(1)NeuGc(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(2)Kdn(1) (S)">dHex(1)Hex(1)HexNAc(2)Kdn(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(2)Kdn(1) (T)">dHex(1)Hex(1)HexNAc(2)Kdn(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(2)NeuAc(1) (S)">dHex(1)Hex(1)HexNAc(2)NeuAc(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(2)NeuAc(1) (T)">dHex(1)Hex(1)HexNAc(2)NeuAc(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(2)NeuAc(1)Sulf(1) (S)">dHex(1)Hex(1)HexNAc(2)NeuAc(1)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(2)NeuAc(1)Sulf(1) (T)">dHex(1)Hex(1)HexNAc(2)NeuAc(1)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(2)NeuAc(2) (S)">dHex(1)Hex(1)HexNAc(2)NeuAc(2) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(2)NeuAc(2) (T)">dHex(1)Hex(1)HexNAc(2)NeuAc(2) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(2)Sulf(1) (S)">dHex(1)Hex(1)HexNAc(2)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(2)Sulf(1) (T)">dHex(1)Hex(1)HexNAc(2)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(3) (S)">dHex(1)Hex(1)HexNAc(3) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(3) (T)">dHex(1)Hex(1)HexNAc(3) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(3)NeuAc(1) (S)">dHex(1)Hex(1)HexNAc(3)NeuAc(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(3)NeuAc(1) (T)">dHex(1)Hex(1)HexNAc(3)NeuAc(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(3)NeuAc(1)Sulf(1) (S)">dHex(1)Hex(1)HexNAc(3)NeuAc(1)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(3)NeuAc(1)Sulf(1) (T)">dHex(1)Hex(1)HexNAc(3)NeuAc(1)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(3)NeuGc(1) (S)">dHex(1)Hex(1)HexNAc(3)NeuGc(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(3)NeuGc(1) (T)">dHex(1)Hex(1)HexNAc(3)NeuGc(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(3)Sulf(1) (S)">dHex(1)Hex(1)HexNAc(3)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(3)Sulf(1) (T)">dHex(1)Hex(1)HexNAc(3)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(1)HexNAc(4) (S)">dHex(1)Hex(1)HexNAc(4) (S)</option>
      <option value="dHex(1)Hex(1)HexNAc(4) (T)">dHex(1)Hex(1)HexNAc(4) (T)</option>
      <option value="dHex(1)Hex(2) (S)">dHex(1)Hex(2) (S)</option>
      <option value="dHex(1)Hex(2) (T)">dHex(1)Hex(2) (T)</option>
      <option value="dHex(1)Hex(2)HexA(1) (S)">dHex(1)Hex(2)HexA(1) (S)</option>
      <option value="dHex(1)Hex(2)HexA(1) (T)">dHex(1)Hex(2)HexA(1) (T)</option>
      <option value="dHex(1)Hex(2)HexA(1)HexNAc(1) (S)">dHex(1)Hex(2)HexA(1)HexNAc(1) (S)</option>
      <option value="dHex(1)Hex(2)HexA(1)HexNAc(1) (T)">dHex(1)Hex(2)HexA(1)HexNAc(1) (T)</option>
      <option value="dHex(1)Hex(2)HexA(1)HexNAc(1)Sulf(1) (S)">dHex(1)Hex(2)HexA(1)HexNAc(1)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(2)HexA(1)HexNAc(1)Sulf(1) (T)">dHex(1)Hex(2)HexA(1)HexNAc(1)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(2)HexA(1)HexNAc(2) (S)">dHex(1)Hex(2)HexA(1)HexNAc(2) (S)</option>
      <option value="dHex(1)Hex(2)HexA(1)HexNAc(2) (T)">dHex(1)Hex(2)HexA(1)HexNAc(2) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(1) (S)">dHex(1)Hex(2)HexNAc(1) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(1) (T)">dHex(1)Hex(2)HexNAc(1) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(1)NeuAc(2) (S)">dHex(1)Hex(2)HexNAc(1)NeuAc(2) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(1)NeuAc(2) (T)">dHex(1)Hex(2)HexNAc(1)NeuAc(2) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(1)Sulf(1) (S)">dHex(1)Hex(2)HexNAc(1)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(1)Sulf(1) (T)">dHex(1)Hex(2)HexNAc(1)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (S)">dHex(1)Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (T)">dHex(1)Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuAc(2) (S)">dHex(1)Hex(2)HexNAc(2)NeuAc(2) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuAc(2) (T)">dHex(1)Hex(2)HexNAc(2)NeuAc(2) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuAc(2)Sulf(1) (S)">dHex(1)Hex(2)HexNAc(2)NeuAc(2)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuAc(2)Sulf(1) (T)">dHex(1)Hex(2)HexNAc(2)NeuAc(2)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuGc(1) (N)">dHex(1)Hex(2)HexNAc(2)NeuGc(1) (N)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuGc(1) (S)">dHex(1)Hex(2)HexNAc(2)NeuGc(1) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuGc(1) (T)">dHex(1)Hex(2)HexNAc(2)NeuGc(1) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuGc(2) (S)">dHex(1)Hex(2)HexNAc(2)NeuGc(2) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuGc(2) (T)">dHex(1)Hex(2)HexNAc(2)NeuGc(2) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuGc(3) (S)">dHex(1)Hex(2)HexNAc(2)NeuGc(3) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)NeuGc(3) (T)">dHex(1)Hex(2)HexNAc(2)NeuGc(3) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)Pent(1) (N)">dHex(1)Hex(2)HexNAc(2)Pent(1) (N)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)Sulf(1) (S)">dHex(1)Hex(2)HexNAc(2)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(2)Sulf(1) (T)">dHex(1)Hex(2)HexNAc(2)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(3) (N)">dHex(1)Hex(2)HexNAc(3) (N)</option>
      <option value="dHex(1)Hex(2)HexNAc(3) (S)">dHex(1)Hex(2)HexNAc(3) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(3) (T)">dHex(1)Hex(2)HexNAc(3) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(3)NeuAc(1) (S)">dHex(1)Hex(2)HexNAc(3)NeuAc(1) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(3)NeuAc(1) (T)">dHex(1)Hex(2)HexNAc(3)NeuAc(1) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(3)NeuAc(1)Sulf(1) (S)">dHex(1)Hex(2)HexNAc(3)NeuAc(1)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(3)NeuAc(1)Sulf(1) (T)">dHex(1)Hex(2)HexNAc(3)NeuAc(1)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(3)Sulf(1) (S)">dHex(1)Hex(2)HexNAc(3)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(3)Sulf(1) (T)">dHex(1)Hex(2)HexNAc(3)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(4) (N)">dHex(1)Hex(2)HexNAc(4) (N)</option>
      <option value="dHex(1)Hex(2)HexNAc(4) (S)">dHex(1)Hex(2)HexNAc(4) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(4) (T)">dHex(1)Hex(2)HexNAc(4) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(4)NeuAc(1) (S)">dHex(1)Hex(2)HexNAc(4)NeuAc(1) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(4)NeuAc(1) (T)">dHex(1)Hex(2)HexNAc(4)NeuAc(1) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(4)NeuAc(2) (S)">dHex(1)Hex(2)HexNAc(4)NeuAc(2) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(4)NeuAc(2) (T)">dHex(1)Hex(2)HexNAc(4)NeuAc(2) (T)</option>
      <option value="dHex(1)Hex(2)HexNAc(4)Sulf(2) (S)">dHex(1)Hex(2)HexNAc(4)Sulf(2) (S)</option>
      <option value="dHex(1)Hex(2)HexNAc(4)Sulf(2) (T)">dHex(1)Hex(2)HexNAc(4)Sulf(2) (T)</option>
      <option value="dHex(1)Hex(3) (S)">dHex(1)Hex(3) (S)</option>
      <option value="dHex(1)Hex(3) (T)">dHex(1)Hex(3) (T)</option>
      <option value="dHex(1)Hex(3)HexA(1)HexNAc(1) (S)">dHex(1)Hex(3)HexA(1)HexNAc(1) (S)</option>
      <option value="dHex(1)Hex(3)HexA(1)HexNAc(1) (T)">dHex(1)Hex(3)HexA(1)HexNAc(1) (T)</option>
      <option value="dHex(1)Hex(3)HexA(1)HexNAc(1)Sulf(1) (S)">dHex(1)Hex(3)HexA(1)HexNAc(1)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(3)HexA(1)HexNAc(1)Sulf(1) (T)">dHex(1)Hex(3)HexA(1)HexNAc(1)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(3)HexA(1)HexNAc(2) (S)">dHex(1)Hex(3)HexA(1)HexNAc(2) (S)</option>
      <option value="dHex(1)Hex(3)HexA(1)HexNAc(2) (T)">dHex(1)Hex(3)HexA(1)HexNAc(2) (T)</option>
      <option value="dHex(1)Hex(3)HexA(1)HexNAc(2)Sulf(1) (S)">dHex(1)Hex(3)HexA(1)HexNAc(2)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(3)HexA(1)HexNAc(2)Sulf(1) (T)">dHex(1)Hex(3)HexA(1)HexNAc(2)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(3)HexA(1)HexNAc(3)Sulf(1) (S)">dHex(1)Hex(3)HexA(1)HexNAc(3)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(3)HexA(1)HexNAc(3)Sulf(1) (T)">dHex(1)Hex(3)HexA(1)HexNAc(3)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(3)HexA(2)HexNAc(2) (S)">dHex(1)Hex(3)HexA(2)HexNAc(2) (S)</option>
      <option value="dHex(1)Hex(3)HexA(2)HexNAc(2) (T)">dHex(1)Hex(3)HexA(2)HexNAc(2) (T)</option>
      <option value="dHex(1)Hex(3)HexNAc(1) (S)">dHex(1)Hex(3)HexNAc(1) (S)</option>
      <option value="dHex(1)Hex(3)HexNAc(1) (T)">dHex(1)Hex(3)HexNAc(1) (T)</option>
      <option value="dHex(1)Hex(3)HexNAc(1)Sulf(1) (S)">dHex(1)Hex(3)HexNAc(1)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(3)HexNAc(1)Sulf(1) (T)">dHex(1)Hex(3)HexNAc(1)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(3)HexNAc(2) (N)">dHex(1)Hex(3)HexNAc(2) (N)</option>
      <option value="dHex(1)Hex(3)HexNAc(2) (S)">dHex(1)Hex(3)HexNAc(2) (S)</option>
      <option value="dHex(1)Hex(3)HexNAc(2) (T)">dHex(1)Hex(3)HexNAc(2) (T)</option>
      <option value="dHex(1)Hex(3)HexNAc(2)NeuGc(1) (S)">dHex(1)Hex(3)HexNAc(2)NeuGc(1) (S)</option>
      <option value="dHex(1)Hex(3)HexNAc(2)NeuGc(1) (T)">dHex(1)Hex(3)HexNAc(2)NeuGc(1) (T)</option>
      <option value="dHex(1)Hex(3)HexNAc(2)Pent(1) (N)">dHex(1)Hex(3)HexNAc(2)Pent(1) (N)</option>
      <option value="dHex(1)Hex(3)HexNAc(2)Sulf(1) (N)">dHex(1)Hex(3)HexNAc(2)Sulf(1) (N)</option>
      <option value="dHex(1)Hex(3)HexNAc(2)Sulf(1) (S)">dHex(1)Hex(3)HexNAc(2)Sulf(1) (S)</option>
      <option value="dHex(1)Hex(3)HexNAc(2)Sulf(1) (T)">dHex(1)Hex(3)HexNAc(2)Sulf(1) (T)</option>
      <option value="dHex(1)Hex(3)HexNAc(3) (N)">dHex(1)Hex(3)HexNAc(3) (N)</option>
      <option value="dHex(1)Hex(3)HexNAc(3) (S)">dHex(1)Hex(3)HexNAc(3) (S)</option>
      <option value="dHex(1)Hex(3)HexNAc(3) (T)">dHex(1)Hex(3)HexNAc(3) (T)</option>
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      <option value="dHex(1)Hex(3)HexNAc(3)NeuAc(2) (T)">dHex(1)Hex(3)HexNAc(3)NeuAc(2) (T)</option>
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      <option value="dHex(1)Hex(3)HexNAc(3)Pent(2) (N)">dHex(1)Hex(3)HexNAc(3)Pent(2) (N)</option>
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      <option value="dHex(1)Hex(3)HexNAc(5) (T)">dHex(1)Hex(3)HexNAc(5) (T)</option>
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      <option value="dHex(1)Hex(3)HexNAc(5)NeuAc(1) (S)">dHex(1)Hex(3)HexNAc(5)NeuAc(1) (S)</option>
      <option value="dHex(1)Hex(3)HexNAc(5)NeuAc(1) (T)">dHex(1)Hex(3)HexNAc(5)NeuAc(1) (T)</option>
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      <option value="dHex(1)Hex(4)HexA(1)HexNAc(3)Sulf(1) (T)">dHex(1)Hex(4)HexA(1)HexNAc(3)Sulf(1) (T)</option>
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      <option value="dHex(1)Hex(4)HexNAc(2) (T)">dHex(1)Hex(4)HexNAc(2) (T)</option>
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      <option value="dHex(1)Hex(4)HexNAc(3)NeuAc(1) (S)">dHex(1)Hex(4)HexNAc(3)NeuAc(1) (S)</option>
      <option value="dHex(1)Hex(4)HexNAc(3)NeuAc(1) (T)">dHex(1)Hex(4)HexNAc(3)NeuAc(1) (T)</option>
      <option value="dHex(1)Hex(4)HexNAc(3)NeuAc(1)Sulf(1) (N)">dHex(1)Hex(4)HexNAc(3)NeuAc(1)Sulf(1) (N)</option>
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      <option value="dHex(1)Hex(4)HexNAc(4) (T)">dHex(1)Hex(4)HexNAc(4) (T)</option>
      <option value="dHex(1)Hex(4)HexNAc(4)NeuAc(1) (N)">dHex(1)Hex(4)HexNAc(4)NeuAc(1) (N)</option>
      <option value="dHex(1)Hex(4)HexNAc(4)NeuAc(1) (S)">dHex(1)Hex(4)HexNAc(4)NeuAc(1) (S)</option>
      <option value="dHex(1)Hex(4)HexNAc(4)NeuAc(1) (T)">dHex(1)Hex(4)HexNAc(4)NeuAc(1) (T)</option>
      <option value="dHex(1)Hex(4)HexNAc(4)NeuAc(1)Sulf(1) (N)">dHex(1)Hex(4)HexNAc(4)NeuAc(1)Sulf(1) (N)</option>
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      <option value="dHex(1)Hex(5)HexA(1)HexNAc(3)Sulf(2) (N)">dHex(1)Hex(5)HexA(1)HexNAc(3)Sulf(2) (N)</option>
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      <option value="dHex(1)Hex(5)HexNAc(3)NeuAc(1)Sulf(1) (N)">dHex(1)Hex(5)HexNAc(3)NeuAc(1)Sulf(1) (N)</option>
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      <option value="dHex(1)Hex(5)HexNAc(3)NeuGc(1)Sulf(1) (N)">dHex(1)Hex(5)HexNAc(3)NeuGc(1)Sulf(1) (N)</option>
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      <option value="dHex(1)Hex(5)HexNAc(4)Me(2)Pent(1) (N)">dHex(1)Hex(5)HexNAc(4)Me(2)Pent(1) (N)</option>
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      <option value="dHex(1)Hex(5)HexNAc(4)NeuAc(2) (N)">dHex(1)Hex(5)HexNAc(4)NeuAc(2) (N)</option>
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      <option value="dHex(1)Hex(5)HexNAc(5) (N)">dHex(1)Hex(5)HexNAc(5) (N)</option>
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      <option value="dHex(1)Hex(6)HexNAc(3) (N)">dHex(1)Hex(6)HexNAc(3) (N)</option>
      <option value="dHex(1)Hex(6)HexNAc(3)Sulf(1) (N)">dHex(1)Hex(6)HexNAc(3)Sulf(1) (N)</option>
      <option value="dHex(1)Hex(6)HexNAc(4) (N)">dHex(1)Hex(6)HexNAc(4) (N)</option>
      <option value="dHex(1)Hex(7)HexNAc(2) (N)">dHex(1)Hex(7)HexNAc(2) (N)</option>
      <option value="dHex(1)Hex(7)HexNAc(3) (N)">dHex(1)Hex(7)HexNAc(3) (N)</option>
      <option value="dHex(1)Hex(7)HexNAc(3)Phos(1) (N)">dHex(1)Hex(7)HexNAc(3)Phos(1) (N)</option>
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      <option value="dHex(1)Hex(8)HexNAc(2) (N)">dHex(1)Hex(8)HexNAc(2) (N)</option>
      <option value="dHex(1)HexNAc(3) (S)">dHex(1)HexNAc(3) (S)</option>
      <option value="dHex(1)HexNAc(3) (T)">dHex(1)HexNAc(3) (T)</option>
      <option value="dHex(1)HexNAc(4) (S)">dHex(1)HexNAc(4) (S)</option>
      <option value="dHex(1)HexNAc(4) (T)">dHex(1)HexNAc(4) (T)</option>
      <option value="dHex(1)HexNAc(5) (S)">dHex(1)HexNAc(5) (S)</option>
      <option value="dHex(1)HexNAc(5) (T)">dHex(1)HexNAc(5) (T)</option>
      <option value="dHex(2)Hex(1)HexNAc(1)Kdn(1) (S)">dHex(2)Hex(1)HexNAc(1)Kdn(1) (S)</option>
      <option value="dHex(2)Hex(1)HexNAc(1)Kdn(1) (T)">dHex(2)Hex(1)HexNAc(1)Kdn(1) (T)</option>
      <option value="dHex(2)Hex(1)HexNAc(2)Kdn(1) (S)">dHex(2)Hex(1)HexNAc(2)Kdn(1) (S)</option>
      <option value="dHex(2)Hex(1)HexNAc(2)Kdn(1) (T)">dHex(2)Hex(1)HexNAc(2)Kdn(1) (T)</option>
      <option value="dHex(2)Hex(1)HexNAc(2)NeuAc(1) (S)">dHex(2)Hex(1)HexNAc(2)NeuAc(1) (S)</option>
      <option value="dHex(2)Hex(1)HexNAc(2)NeuAc(1) (T)">dHex(2)Hex(1)HexNAc(2)NeuAc(1) (T)</option>
      <option value="dHex(2)Hex(1)HexNAc(2)NeuGc(1) (S)">dHex(2)Hex(1)HexNAc(2)NeuGc(1) (S)</option>
      <option value="dHex(2)Hex(1)HexNAc(2)NeuGc(1) (T)">dHex(2)Hex(1)HexNAc(2)NeuGc(1) (T)</option>
      <option value="dHex(2)Hex(1)HexNAc(3) (S)">dHex(2)Hex(1)HexNAc(3) (S)</option>
      <option value="dHex(2)Hex(1)HexNAc(3) (T)">dHex(2)Hex(1)HexNAc(3) (T)</option>
      <option value="dHex(2)Hex(1)HexNAc(4)Sulf(1) (S)">dHex(2)Hex(1)HexNAc(4)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(1)HexNAc(4)Sulf(1) (T)">dHex(2)Hex(1)HexNAc(4)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(2) (S)">dHex(2)Hex(2) (S)</option>
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      <option value="dHex(2)Hex(2)HexA(1) (S)">dHex(2)Hex(2)HexA(1) (S)</option>
      <option value="dHex(2)Hex(2)HexA(1) (T)">dHex(2)Hex(2)HexA(1) (T)</option>
      <option value="dHex(2)Hex(2)HexA(1)HexNAc(1) (S)">dHex(2)Hex(2)HexA(1)HexNAc(1) (S)</option>
      <option value="dHex(2)Hex(2)HexA(1)HexNAc(1) (T)">dHex(2)Hex(2)HexA(1)HexNAc(1) (T)</option>
      <option value="dHex(2)Hex(2)HexA(1)HexNAc(2)Sulf(1) (S)">dHex(2)Hex(2)HexA(1)HexNAc(2)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(2)HexA(1)HexNAc(2)Sulf(1) (T)">dHex(2)Hex(2)HexA(1)HexNAc(2)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(1) (S)">dHex(2)Hex(2)HexNAc(1) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(1) (T)">dHex(2)Hex(2)HexNAc(1) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(2) (N)">dHex(2)Hex(2)HexNAc(2) (N)</option>
      <option value="dHex(2)Hex(2)HexNAc(2) (S)">dHex(2)Hex(2)HexNAc(2) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(2) (T)">dHex(2)Hex(2)HexNAc(2) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)Kdn(1) (S)">dHex(2)Hex(2)HexNAc(2)Kdn(1) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)Kdn(1) (T)">dHex(2)Hex(2)HexNAc(2)Kdn(1) (T)</option>
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      <option value="dHex(2)Hex(2)HexNAc(2)NeuAc(1) (T)">dHex(2)Hex(2)HexNAc(2)NeuAc(1) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (S)">dHex(2)Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (T)">dHex(2)Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)NeuGc(1) (S)">dHex(2)Hex(2)HexNAc(2)NeuGc(1) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)NeuGc(1) (T)">dHex(2)Hex(2)HexNAc(2)NeuGc(1) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)Sulf(1) (S)">dHex(2)Hex(2)HexNAc(2)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)Sulf(1) (T)">dHex(2)Hex(2)HexNAc(2)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)Sulf(2) (S)">dHex(2)Hex(2)HexNAc(2)Sulf(2) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(2)Sulf(2) (T)">dHex(2)Hex(2)HexNAc(2)Sulf(2) (T)</option>
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      <option value="dHex(2)Hex(2)HexNAc(3) (S)">dHex(2)Hex(2)HexNAc(3) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(3) (T)">dHex(2)Hex(2)HexNAc(3) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(3)NeuAc(1) (S)">dHex(2)Hex(2)HexNAc(3)NeuAc(1) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(3)NeuAc(1) (T)">dHex(2)Hex(2)HexNAc(3)NeuAc(1) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(3)NeuGc(1) (S)">dHex(2)Hex(2)HexNAc(3)NeuGc(1) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(3)NeuGc(1) (T)">dHex(2)Hex(2)HexNAc(3)NeuGc(1) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(3)Sulf(1) (S)">dHex(2)Hex(2)HexNAc(3)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(3)Sulf(1) (T)">dHex(2)Hex(2)HexNAc(3)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(4) (S)">dHex(2)Hex(2)HexNAc(4) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(4) (T)">dHex(2)Hex(2)HexNAc(4) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(4)Sulf(2) (S)">dHex(2)Hex(2)HexNAc(4)Sulf(2) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(4)Sulf(2) (T)">dHex(2)Hex(2)HexNAc(4)Sulf(2) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(5) (S)">dHex(2)Hex(2)HexNAc(5) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(5) (T)">dHex(2)Hex(2)HexNAc(5) (T)</option>
      <option value="dHex(2)Hex(2)HexNAc(6)Sulf(1) (S)">dHex(2)Hex(2)HexNAc(6)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(2)HexNAc(6)Sulf(1) (T)">dHex(2)Hex(2)HexNAc(6)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(3) (S)">dHex(2)Hex(3) (S)</option>
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      <option value="dHex(2)Hex(3)HexA(1)HexNAc(1)Sulf(1) (S)">dHex(2)Hex(3)HexA(1)HexNAc(1)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(3)HexA(1)HexNAc(1)Sulf(1) (T)">dHex(2)Hex(3)HexA(1)HexNAc(1)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(3)HexA(1)HexNAc(2)Sulf(1) (S)">dHex(2)Hex(3)HexA(1)HexNAc(2)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(3)HexA(1)HexNAc(2)Sulf(1) (T)">dHex(2)Hex(3)HexA(1)HexNAc(2)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(3)HexA(1)HexNAc(3)Sulf(1) (S)">dHex(2)Hex(3)HexA(1)HexNAc(3)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(3)HexA(1)HexNAc(3)Sulf(1) (T)">dHex(2)Hex(3)HexA(1)HexNAc(3)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(1)Sulf(1) (S)">dHex(2)Hex(3)HexNAc(1)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(3)HexNAc(1)Sulf(1) (T)">dHex(2)Hex(3)HexNAc(1)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(2) (N)">dHex(2)Hex(3)HexNAc(2) (N)</option>
      <option value="dHex(2)Hex(3)HexNAc(2) (S)">dHex(2)Hex(3)HexNAc(2) (S)</option>
      <option value="dHex(2)Hex(3)HexNAc(2) (T)">dHex(2)Hex(3)HexNAc(2) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(2)NeuGc(1) (S)">dHex(2)Hex(3)HexNAc(2)NeuGc(1) (S)</option>
      <option value="dHex(2)Hex(3)HexNAc(2)NeuGc(1) (T)">dHex(2)Hex(3)HexNAc(2)NeuGc(1) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(2)Sulf(1) (S)">dHex(2)Hex(3)HexNAc(2)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(3)HexNAc(2)Sulf(1) (T)">dHex(2)Hex(3)HexNAc(2)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(3) (N)">dHex(2)Hex(3)HexNAc(3) (N)</option>
      <option value="dHex(2)Hex(3)HexNAc(3) (S)">dHex(2)Hex(3)HexNAc(3) (S)</option>
      <option value="dHex(2)Hex(3)HexNAc(3) (T)">dHex(2)Hex(3)HexNAc(3) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(3)NeuAc(1) (S)">dHex(2)Hex(3)HexNAc(3)NeuAc(1) (S)</option>
      <option value="dHex(2)Hex(3)HexNAc(3)NeuAc(1) (T)">dHex(2)Hex(3)HexNAc(3)NeuAc(1) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(3)NeuAc(2) (S)">dHex(2)Hex(3)HexNAc(3)NeuAc(2) (S)</option>
      <option value="dHex(2)Hex(3)HexNAc(3)NeuAc(2) (T)">dHex(2)Hex(3)HexNAc(3)NeuAc(2) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(3)Pent(1) (N)">dHex(2)Hex(3)HexNAc(3)Pent(1) (N)</option>
      <option value="dHex(2)Hex(3)HexNAc(3)Pent(2) (N)">dHex(2)Hex(3)HexNAc(3)Pent(2) (N)</option>
      <option value="dHex(2)Hex(3)HexNAc(3)Sulf(1) (S)">dHex(2)Hex(3)HexNAc(3)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(3)HexNAc(3)Sulf(1) (T)">dHex(2)Hex(3)HexNAc(3)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(4) (N)">dHex(2)Hex(3)HexNAc(4) (N)</option>
      <option value="dHex(2)Hex(3)HexNAc(4) (S)">dHex(2)Hex(3)HexNAc(4) (S)</option>
      <option value="dHex(2)Hex(3)HexNAc(4) (T)">dHex(2)Hex(3)HexNAc(4) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(4)NeuAc(1) (N)">dHex(2)Hex(3)HexNAc(4)NeuAc(1) (N)</option>
      <option value="dHex(2)Hex(3)HexNAc(4)Pent(1) (N)">dHex(2)Hex(3)HexNAc(4)Pent(1) (N)</option>
      <option value="dHex(2)Hex(3)HexNAc(4)Pent(2) (N)">dHex(2)Hex(3)HexNAc(4)Pent(2) (N)</option>
      <option value="dHex(2)Hex(3)HexNAc(5) (N)">dHex(2)Hex(3)HexNAc(5) (N)</option>
      <option value="dHex(2)Hex(3)HexNAc(5) (S)">dHex(2)Hex(3)HexNAc(5) (S)</option>
      <option value="dHex(2)Hex(3)HexNAc(5) (T)">dHex(2)Hex(3)HexNAc(5) (T)</option>
      <option value="dHex(2)Hex(3)HexNAc(6) (N)">dHex(2)Hex(3)HexNAc(6) (N)</option>
      <option value="dHex(2)Hex(4) (S)">dHex(2)Hex(4) (S)</option>
      <option value="dHex(2)Hex(4) (T)">dHex(2)Hex(4) (T)</option>
      <option value="dHex(2)Hex(4)HexA(1)HexNAc(3)Sulf(1) (S)">dHex(2)Hex(4)HexA(1)HexNAc(3)Sulf(1) (S)</option>
      <option value="dHex(2)Hex(4)HexA(1)HexNAc(3)Sulf(1) (T)">dHex(2)Hex(4)HexA(1)HexNAc(3)Sulf(1) (T)</option>
      <option value="dHex(2)Hex(4)HexNAc(1) (S)">dHex(2)Hex(4)HexNAc(1) (S)</option>
      <option value="dHex(2)Hex(4)HexNAc(1) (T)">dHex(2)Hex(4)HexNAc(1) (T)</option>
      <option value="dHex(2)Hex(4)HexNAc(2) (N)">dHex(2)Hex(4)HexNAc(2) (N)</option>
      <option value="dHex(2)Hex(4)HexNAc(2) (S)">dHex(2)Hex(4)HexNAc(2) (S)</option>
      <option value="dHex(2)Hex(4)HexNAc(2) (T)">dHex(2)Hex(4)HexNAc(2) (T)</option>
      <option value="dHex(2)Hex(4)HexNAc(3) (N)">dHex(2)Hex(4)HexNAc(3) (N)</option>
      <option value="dHex(2)Hex(4)HexNAc(3)NeuAc(1)Sulf(1) (N)">dHex(2)Hex(4)HexNAc(3)NeuAc(1)Sulf(1) (N)</option>
      <option value="dHex(2)Hex(4)HexNAc(3)Pent(1) (N)">dHex(2)Hex(4)HexNAc(3)Pent(1) (N)</option>
      <option value="dHex(2)Hex(4)HexNAc(4) (N)">dHex(2)Hex(4)HexNAc(4) (N)</option>
      <option value="dHex(2)Hex(4)HexNAc(4) (S)">dHex(2)Hex(4)HexNAc(4) (S)</option>
      <option value="dHex(2)Hex(4)HexNAc(4) (T)">dHex(2)Hex(4)HexNAc(4) (T)</option>
      <option value="dHex(2)Hex(4)HexNAc(4)Pent(1) (N)">dHex(2)Hex(4)HexNAc(4)Pent(1) (N)</option>
      <option value="dHex(2)Hex(4)HexNAc(4)Sulf(1) (N)">dHex(2)Hex(4)HexNAc(4)Sulf(1) (N)</option>
      <option value="dHex(2)Hex(4)HexNAc(5) (N)">dHex(2)Hex(4)HexNAc(5) (N)</option>
      <option value="dHex(2)Hex(4)HexNAc(5) (S)">dHex(2)Hex(4)HexNAc(5) (S)</option>
      <option value="dHex(2)Hex(4)HexNAc(5) (T)">dHex(2)Hex(4)HexNAc(5) (T)</option>
      <option value="dHex(2)Hex(5)HexNAc(2)Me(1) (S)">dHex(2)Hex(5)HexNAc(2)Me(1) (S)</option>
      <option value="dHex(2)Hex(5)HexNAc(2)Me(1) (T)">dHex(2)Hex(5)HexNAc(2)Me(1) (T)</option>
      <option value="dHex(2)Hex(5)HexNAc(3)Pent(1) (N)">dHex(2)Hex(5)HexNAc(3)Pent(1) (N)</option>
      <option value="dHex(2)Hex(5)HexNAc(4) (N)">dHex(2)Hex(5)HexNAc(4) (N)</option>
      <option value="dHex(2)HexNAc(2)Kdn(1) (S)">dHex(2)HexNAc(2)Kdn(1) (S)</option>
      <option value="dHex(2)HexNAc(2)Kdn(1) (T)">dHex(2)HexNAc(2)Kdn(1) (T)</option>
      <option value="dHex(2)HexNAc(5) (S)">dHex(2)HexNAc(5) (S)</option>
      <option value="dHex(2)HexNAc(5) (T)">dHex(2)HexNAc(5) (T)</option>
      <option value="dHex(2)HexNAc(7) (S)">dHex(2)HexNAc(7) (S)</option>
      <option value="dHex(2)HexNAc(7) (T)">dHex(2)HexNAc(7) (T)</option>
      <option value="dHex(3)Hex(1)HexNAc(2)Kdn(1) (S)">dHex(3)Hex(1)HexNAc(2)Kdn(1) (S)</option>
      <option value="dHex(3)Hex(1)HexNAc(2)Kdn(1) (T)">dHex(3)Hex(1)HexNAc(2)Kdn(1) (T)</option>
      <option value="dHex(3)Hex(1)HexNAc(3)Kdn(1) (S)">dHex(3)Hex(1)HexNAc(3)Kdn(1) (S)</option>
      <option value="dHex(3)Hex(1)HexNAc(3)Kdn(1) (T)">dHex(3)Hex(1)HexNAc(3)Kdn(1) (T)</option>
      <option value="dHex(3)Hex(2)HexA(1)HexNAc(2)Sulf(1) (S)">dHex(3)Hex(2)HexA(1)HexNAc(2)Sulf(1) (S)</option>
      <option value="dHex(3)Hex(2)HexA(1)HexNAc(2)Sulf(1) (T)">dHex(3)Hex(2)HexA(1)HexNAc(2)Sulf(1) (T)</option>
      <option value="dHex(3)Hex(2)HexNAc(2) (S)">dHex(3)Hex(2)HexNAc(2) (S)</option>
      <option value="dHex(3)Hex(2)HexNAc(2) (T)">dHex(3)Hex(2)HexNAc(2) (T)</option>
      <option value="dHex(3)Hex(2)HexNAc(2)Kdn(1) (S)">dHex(3)Hex(2)HexNAc(2)Kdn(1) (S)</option>
      <option value="dHex(3)Hex(2)HexNAc(2)Kdn(1) (T)">dHex(3)Hex(2)HexNAc(2)Kdn(1) (T)</option>
      <option value="dHex(3)Hex(2)HexNAc(3) (S)">dHex(3)Hex(2)HexNAc(3) (S)</option>
      <option value="dHex(3)Hex(2)HexNAc(3) (T)">dHex(3)Hex(2)HexNAc(3) (T)</option>
      <option value="dHex(3)Hex(2)HexNAc(3)Kdn(1) (S)">dHex(3)Hex(2)HexNAc(3)Kdn(1) (S)</option>
      <option value="dHex(3)Hex(2)HexNAc(3)Kdn(1) (T)">dHex(3)Hex(2)HexNAc(3)Kdn(1) (T)</option>
      <option value="dHex(3)Hex(2)HexNAc(4) (S)">dHex(3)Hex(2)HexNAc(4) (S)</option>
      <option value="dHex(3)Hex(2)HexNAc(4) (T)">dHex(3)Hex(2)HexNAc(4) (T)</option>
      <option value="dHex(3)Hex(2)HexNAc(4)Sulf(2) (S)">dHex(3)Hex(2)HexNAc(4)Sulf(2) (S)</option>
      <option value="dHex(3)Hex(2)HexNAc(4)Sulf(2) (T)">dHex(3)Hex(2)HexNAc(4)Sulf(2) (T)</option>
      <option value="dHex(3)Hex(3)HexNAc(1) (S)">dHex(3)Hex(3)HexNAc(1) (S)</option>
      <option value="dHex(3)Hex(3)HexNAc(1) (T)">dHex(3)Hex(3)HexNAc(1) (T)</option>
      <option value="dHex(3)Hex(3)HexNAc(2) (S)">dHex(3)Hex(3)HexNAc(2) (S)</option>
      <option value="dHex(3)Hex(3)HexNAc(2) (T)">dHex(3)Hex(3)HexNAc(2) (T)</option>
      <option value="dHex(3)Hex(3)HexNAc(3) (S)">dHex(3)Hex(3)HexNAc(3) (S)</option>
      <option value="dHex(3)Hex(3)HexNAc(3) (T)">dHex(3)Hex(3)HexNAc(3) (T)</option>
      <option value="dHex(3)Hex(3)HexNAc(3)NeuAc(1) (S)">dHex(3)Hex(3)HexNAc(3)NeuAc(1) (S)</option>
      <option value="dHex(3)Hex(3)HexNAc(3)NeuAc(1) (T)">dHex(3)Hex(3)HexNAc(3)NeuAc(1) (T)</option>
      <option value="dHex(3)Hex(3)HexNAc(3)Pent(1) (N)">dHex(3)Hex(3)HexNAc(3)Pent(1) (N)</option>
      <option value="dHex(3)Hex(3)HexNAc(4) (N)">dHex(3)Hex(3)HexNAc(4) (N)</option>
      <option value="dHex(3)Hex(3)HexNAc(4)Pent(1) (N)">dHex(3)Hex(3)HexNAc(4)Pent(1) (N)</option>
      <option value="dHex(3)Hex(4)HexNAc(4) (N)">dHex(3)Hex(4)HexNAc(4) (N)</option>
      <option value="dHex(3)Hex(4)HexNAc(4) (S)">dHex(3)Hex(4)HexNAc(4) (S)</option>
      <option value="dHex(3)Hex(4)HexNAc(4) (T)">dHex(3)Hex(4)HexNAc(4) (T)</option>
      <option value="dHex(3)Hex(4)HexNAc(4)Sulf(1) (N)">dHex(3)Hex(4)HexNAc(4)Sulf(1) (N)</option>
      <option value="dHex(3)HexNAc(3)Kdn(1) (S)">dHex(3)HexNAc(3)Kdn(1) (S)</option>
      <option value="dHex(3)HexNAc(3)Kdn(1) (T)">dHex(3)HexNAc(3)Kdn(1) (T)</option>
      <option value="dHex(4)Hex(1)HexNAc(1)Kdn(2) (S)">dHex(4)Hex(1)HexNAc(1)Kdn(2) (S)</option>
      <option value="dHex(4)Hex(1)HexNAc(1)Kdn(2) (T)">dHex(4)Hex(1)HexNAc(1)Kdn(2) (T)</option>
      <option value="dHex(4)Hex(1)HexNAc(2)Kdn(1) (S)">dHex(4)Hex(1)HexNAc(2)Kdn(1) (S)</option>
      <option value="dHex(4)Hex(1)HexNAc(2)Kdn(1) (T)">dHex(4)Hex(1)HexNAc(2)Kdn(1) (T)</option>
      <option value="dHex(4)Hex(1)HexNAc(3)Kdn(1) (S)">dHex(4)Hex(1)HexNAc(3)Kdn(1) (S)</option>
      <option value="dHex(4)Hex(1)HexNAc(3)Kdn(1) (T)">dHex(4)Hex(1)HexNAc(3)Kdn(1) (T)</option>
      <option value="dHex(4)Hex(2)HexNAc(2)Kdn(1) (S)">dHex(4)Hex(2)HexNAc(2)Kdn(1) (S)</option>
      <option value="dHex(4)Hex(2)HexNAc(2)Kdn(1) (T)">dHex(4)Hex(2)HexNAc(2)Kdn(1) (T)</option>
      <option value="dHex(4)Hex(2)HexNAc(3) (S)">dHex(4)Hex(2)HexNAc(3) (S)</option>
      <option value="dHex(4)Hex(2)HexNAc(3) (T)">dHex(4)Hex(2)HexNAc(3) (T)</option>
      <option value="dHex(4)Hex(3)HexNAc(2)NeuAc(1) (S)">dHex(4)Hex(3)HexNAc(2)NeuAc(1) (S)</option>
      <option value="dHex(4)Hex(3)HexNAc(2)NeuAc(1) (T)">dHex(4)Hex(3)HexNAc(2)NeuAc(1) (T)</option>
      <option value="dHex(4)Hex(3)HexNAc(3) (S)">dHex(4)Hex(3)HexNAc(3) (S)</option>
      <option value="dHex(4)Hex(3)HexNAc(3) (T)">dHex(4)Hex(3)HexNAc(3) (T)</option>
      <option value="dHex(4)HexNAc(3)Kdn(1) (S)">dHex(4)HexNAc(3)Kdn(1) (S)</option>
      <option value="dHex(4)HexNAc(3)Kdn(1) (T)">dHex(4)HexNAc(3)Kdn(1) (T)</option>
      <option value="DHP (C)">DHP (C)</option>
      <option value="Diacylglycerol (C)">Diacylglycerol (C)</option>
      <option value="DiART6plex (K)">DiART6plex (K)</option>
      <option value="DiART6plex (N-term)">DiART6plex (N-term)</option>
      <option value="DiART6plex (Protein N-term)">DiART6plex (Protein N-term)</option>
      <option value="DiART6plex (Y)">DiART6plex (Y)</option>
      <option value="DiART6plex115 (K)">DiART6plex115 (K)</option>
      <option value="DiART6plex115 (N-term)">DiART6plex115 (N-term)</option>
      <option value="DiART6plex115 (Protein N-term)">DiART6plex115 (Protein N-term)</option>
      <option value="DiART6plex115 (Y)">DiART6plex115 (Y)</option>
      <option value="DiART6plex116/119 (K)">DiART6plex116/119 (K)</option>
      <option value="DiART6plex116/119 (N-term)">DiART6plex116/119 (N-term)</option>
      <option value="DiART6plex116/119 (Protein N-term)">DiART6plex116/119 (Protein N-term)</option>
      <option value="DiART6plex116/119 (Y)">DiART6plex116/119 (Y)</option>
      <option value="DiART6plex117 (K)">DiART6plex117 (K)</option>
      <option value="DiART6plex117 (N-term)">DiART6plex117 (N-term)</option>
      <option value="DiART6plex117 (Protein N-term)">DiART6plex117 (Protein N-term)</option>
      <option value="DiART6plex117 (Y)">DiART6plex117 (Y)</option>
      <option value="DiART6plex118 (K)">DiART6plex118 (K)</option>
      <option value="DiART6plex118 (N-term)">DiART6plex118 (N-term)</option>
      <option value="DiART6plex118 (Protein N-term)">DiART6plex118 (Protein N-term)</option>
      <option value="DiART6plex118 (Y)">DiART6plex118 (Y)</option>
      <option value="Dibromo (Y)">Dibromo (Y)</option>
      <option value="Dicarbamidomethyl (C)">Dicarbamidomethyl (C)</option>
      <option value="Dicarbamidomethyl (H)">Dicarbamidomethyl (H)</option>
      <option value="Dicarbamidomethyl (K)">Dicarbamidomethyl (K)</option>
      <option value="Dicarbamidomethyl (N-term)">Dicarbamidomethyl (N-term)</option>
      <option value="Dicarbamidomethyl (R)">Dicarbamidomethyl (R)</option>
      <option value="dichlorination (C)">dichlorination (C)</option>
      <option value="dichlorination (Y)">dichlorination (Y)</option>
      <option value="Didehydro (C-term K)">Didehydro (C-term K)</option>
      <option value="Didehydro (S)">Didehydro (S)</option>
      <option value="Didehydro (T)">Didehydro (T)</option>
      <option value="Didehydro (Y)">Didehydro (Y)</option>
      <option value="Didehydroretinylidene (K)">Didehydroretinylidene (K)</option>
      <option value="Diethyl (K)">Diethyl (K)</option>
      <option value="Diethyl (N-term)">Diethyl (N-term)</option>
      <option value="Diethylphosphate (C)">Diethylphosphate (C)</option>
      <option value="Diethylphosphate (H)">Diethylphosphate (H)</option>
      <option value="Diethylphosphate (K)">Diethylphosphate (K)</option>
      <option value="Diethylphosphate (N-term)">Diethylphosphate (N-term)</option>
      <option value="Diethylphosphate (S)">Diethylphosphate (S)</option>
      <option value="Diethylphosphate (T)">Diethylphosphate (T)</option>
      <option value="Diethylphosphate (Y)">Diethylphosphate (Y)</option>
      <option value="Diethylphosphothione (C)">Diethylphosphothione (C)</option>
      <option value="Diethylphosphothione (H)">Diethylphosphothione (H)</option>
      <option value="Diethylphosphothione (K)">Diethylphosphothione (K)</option>
      <option value="Diethylphosphothione (S)">Diethylphosphothione (S)</option>
      <option value="Diethylphosphothione (T)">Diethylphosphothione (T)</option>
      <option value="Diethylphosphothione (Y)">Diethylphosphothione (Y)</option>
      <option value="Difuran (Y)">Difuran (Y)</option>
      <option value="Dihydroxyimidazolidine (R)">Dihydroxyimidazolidine (R)</option>
      <option value="Diiodo (H)">Diiodo (H)</option>
      <option value="Diiodo (Y)">Diiodo (Y)</option>
      <option value="Diironsubcluster (C)">Diironsubcluster (C)</option>
      <option value="Diisopropylphosphate (K)">Diisopropylphosphate (K)</option>
      <option value="Diisopropylphosphate (N-term)">Diisopropylphosphate (N-term)</option>
      <option value="Diisopropylphosphate (S)">Diisopropylphosphate (S)</option>
      <option value="Diisopropylphosphate (T)">Diisopropylphosphate (T)</option>
      <option value="Diisopropylphosphate (Y)">Diisopropylphosphate (Y)</option>
      <option value="DiLeu4plex (K)">DiLeu4plex (K)</option>
      <option value="DiLeu4plex (N-term)">DiLeu4plex (N-term)</option>
      <option value="DiLeu4plex (Y)">DiLeu4plex (Y)</option>
      <option value="DiLeu4plex115 (K)">DiLeu4plex115 (K)</option>
      <option value="DiLeu4plex115 (N-term)">DiLeu4plex115 (N-term)</option>
      <option value="DiLeu4plex115 (Y)">DiLeu4plex115 (Y)</option>
      <option value="DiLeu4plex117 (K)">DiLeu4plex117 (K)</option>
      <option value="DiLeu4plex117 (N-term)">DiLeu4plex117 (N-term)</option>
      <option value="DiLeu4plex117 (Y)">DiLeu4plex117 (Y)</option>
      <option value="DiLeu4plex118 (K)">DiLeu4plex118 (K)</option>
      <option value="DiLeu4plex118 (N-term)">DiLeu4plex118 (N-term)</option>
      <option value="DiLeu4plex118 (Y)">DiLeu4plex118 (Y)</option>
      <option value="Dimethyl (K)">Dimethyl (K)</option>
      <option value="Dimethyl (N)">Dimethyl (N)</option>
      <option value="Dimethyl (N-term)">Dimethyl (N-term)</option>
      <option value="Dimethyl (Protein N-term P)">Dimethyl (Protein N-term P)</option>
      <option value="Dimethyl (Protein N-term)">Dimethyl (Protein N-term)</option>
      <option value="Dimethyl (R)">Dimethyl (R)</option>
      <option value="Dimethyl:2H(2)13C (K)">Dimethyl:2H(2)13C (K)</option>
      <option value="Dimethyl:2H(2)13C (N)">Dimethyl:2H(2)13C (N)</option>
      <option value="Dimethyl:2H(2)13C (N-term)">Dimethyl:2H(2)13C (N-term)</option>
      <option value="Dimethyl:2H(2)13C (Protein N-term P)">Dimethyl:2H(2)13C (Protein N-term P)</option>
      <option value="Dimethyl:2H(2)13C (R)">Dimethyl:2H(2)13C (R)</option>
      <option value="Dimethyl:2H(4) (K)">Dimethyl:2H(4) (K)</option>
      <option value="Dimethyl:2H(4) (N-term)">Dimethyl:2H(4) (N-term)</option>
      <option value="Dimethyl:2H(4) (Protein N-term)">Dimethyl:2H(4) (Protein N-term)</option>
      <option value="Dimethyl:2H(4) (R)">Dimethyl:2H(4) (R)</option>
      <option value="Dimethyl:2H(4)13C(2) (K)">Dimethyl:2H(4)13C(2) (K)</option>
      <option value="Dimethyl:2H(4)13C(2) (N-term)">Dimethyl:2H(4)13C(2) (N-term)</option>
      <option value="Dimethyl:2H(4)13C(2) (Protein N-term)">Dimethyl:2H(4)13C(2) (Protein N-term)</option>
      <option value="Dimethyl:2H(4)13C(2) (R)">Dimethyl:2H(4)13C(2) (R)</option>
      <option value="Dimethyl:2H(6) (K)">Dimethyl:2H(6) (K)</option>
      <option value="Dimethyl:2H(6) (N-term)">Dimethyl:2H(6) (N-term)</option>
      <option value="Dimethyl:2H(6) (R)">Dimethyl:2H(6) (R)</option>
      <option value="Dimethyl:2H(6)13C(2) (K)">Dimethyl:2H(6)13C(2) (K)</option>
      <option value="Dimethyl:2H(6)13C(2) (N-term)">Dimethyl:2H(6)13C(2) (N-term)</option>
      <option value="Dimethyl:2H(6)13C(2) (Protein N-term)">Dimethyl:2H(6)13C(2) (Protein N-term)</option>
      <option value="Dimethyl:2H(6)13C(2) (R)">Dimethyl:2H(6)13C(2) (R)</option>
      <option value="DimethylamineGMBS (C)">DimethylamineGMBS (C)</option>
      <option value="Dimethylaminoethyl (C)">Dimethylaminoethyl (C)</option>
      <option value="DimethylArsino (C)">DimethylArsino (C)</option>
      <option value="Dimethylphosphothione (C)">Dimethylphosphothione (C)</option>
      <option value="Dimethylphosphothione (H)">Dimethylphosphothione (H)</option>
      <option value="Dimethylphosphothione (K)">Dimethylphosphothione (K)</option>
      <option value="Dimethylphosphothione (S)">Dimethylphosphothione (S)</option>
      <option value="Dimethylphosphothione (T)">Dimethylphosphothione (T)</option>
      <option value="Dimethylphosphothione (Y)">Dimethylphosphothione (Y)</option>
      <option value="DimethylpyrroleAdduct (K)">DimethylpyrroleAdduct (K)</option>
      <option value="Dioxidation (C)">Dioxidation (C)</option>
      <option value="Dioxidation (E)">Dioxidation (E)</option>
      <option value="Dioxidation (F)">Dioxidation (F)</option>
      <option value="Dioxidation (I)">Dioxidation (I)</option>
      <option value="Dioxidation (K)">Dioxidation (K)</option>
      <option value="Dioxidation (L)">Dioxidation (L)</option>
      <option value="Dioxidation (M)">Dioxidation (M)</option>
      <option value="Dioxidation (P)">Dioxidation (P)</option>
      <option value="Dioxidation (R)">Dioxidation (R)</option>
      <option value="Dioxidation (U)">Dioxidation (U)</option>
      <option value="Dioxidation (V)">Dioxidation (V)</option>
      <option value="Dioxidation (W)">Dioxidation (W)</option>
      <option value="Dioxidation (Y)">Dioxidation (Y)</option>
      <option value="Diphthamide (H)">Diphthamide (H)</option>
      <option value="Dipyridyl (C)">Dipyridyl (C)</option>
      <option value="Dipyrrolylmethanemethyl (C)">Dipyrrolylmethanemethyl (C)</option>
      <option value="DMPO (C)">DMPO (C)</option>
      <option value="DMPO (H)">DMPO (H)</option>
      <option value="DMPO (Y)">DMPO (Y)</option>
      <option value="DNCB_hapten (C)">DNCB_hapten (C)</option>
      <option value="DNCB_hapten (H)">DNCB_hapten (H)</option>
      <option value="DNCB_hapten (K)">DNCB_hapten (K)</option>
      <option value="DNCB_hapten (Y)">DNCB_hapten (Y)</option>
      <option value="dNIC (K)">dNIC (K)</option>
      <option value="dNIC (N-term)">dNIC (N-term)</option>
      <option value="DNPS (C)">DNPS (C)</option>
      <option value="DNPS (W)">DNPS (W)</option>
      <option value="DTT (C)">DTT (C)</option>
      <option value="DyLight-maleimide (C)">DyLight-maleimide (C)</option>
      <option value="DYn-2 (C)">DYn-2 (C)</option>
      <option value="EDEDTIDVFQQQTGG (K)">EDEDTIDVFQQQTGG (K)</option>
      <option value="EDT-iodoacetyl-PEO-biotin (S)">EDT-iodoacetyl-PEO-biotin (S)</option>
      <option value="EDT-iodoacetyl-PEO-biotin (T)">EDT-iodoacetyl-PEO-biotin (T)</option>
      <option value="EDT-maleimide-PEO-biotin (S)">EDT-maleimide-PEO-biotin (S)</option>
      <option value="EDT-maleimide-PEO-biotin (T)">EDT-maleimide-PEO-biotin (T)</option>
      <option value="EEEDVIEVYQEQTGG (K)">EEEDVIEVYQEQTGG (K)</option>
      <option value="EGCG1 (C)">EGCG1 (C)</option>
      <option value="EGCG2 (C)">EGCG2 (C)</option>
      <option value="EHD-diphenylpentanone (C)">EHD-diphenylpentanone (C)</option>
      <option value="EHD-diphenylpentanone (M)">EHD-diphenylpentanone (M)</option>
      <option value="EQAT (C)">EQAT (C)</option>
      <option value="EQAT:2H(5) (C)">EQAT:2H(5) (C)</option>
      <option value="EQIGG (K)">EQIGG (K)</option>
      <option value="ESP (K)">ESP (K)</option>
      <option value="ESP (N-term)">ESP (N-term)</option>
      <option value="ESP:2H(10) (K)">ESP:2H(10) (K)</option>
      <option value="ESP:2H(10) (N-term)">ESP:2H(10) (N-term)</option>
      <option value="Ethanedithiol (S)">Ethanedithiol (S)</option>
      <option value="Ethanedithiol (T)">Ethanedithiol (T)</option>
      <option value="Ethanolamine (C)">Ethanolamine (C)</option>
      <option value="Ethanolamine (C-term)">Ethanolamine (C-term)</option>
      <option value="Ethanolamine (D)">Ethanolamine (D)</option>
      <option value="Ethanolamine (E)">Ethanolamine (E)</option>
      <option value="Ethanolyl (C)">Ethanolyl (C)</option>
      <option value="Ethanolyl (K)">Ethanolyl (K)</option>
      <option value="Ethanolyl (R)">Ethanolyl (R)</option>
      <option value="Ethoxyformyl (H)">Ethoxyformyl (H)</option>
      <option value="Ethyl (C-term)">Ethyl (C-term)</option>
      <option value="Ethyl (D)">Ethyl (D)</option>
      <option value="Ethyl (E)">Ethyl (E)</option>
      <option value="Ethyl (K)">Ethyl (K)</option>
      <option value="Ethyl (N-term)">Ethyl (N-term)</option>
      <option value="Ethyl (Protein N-term)">Ethyl (Protein N-term)</option>
      <option value="Ethyl+Deamidated (N)">Ethyl+Deamidated (N)</option>
      <option value="Ethyl+Deamidated (Q)">Ethyl+Deamidated (Q)</option>
      <option value="ethylamino (S)">ethylamino (S)</option>
      <option value="ethylamino (T)">ethylamino (T)</option>
      <option value="Ethylphosphate (K)">Ethylphosphate (K)</option>
      <option value="Ethylphosphate (N-term)">Ethylphosphate (N-term)</option>
      <option value="Ethylphosphate (S)">Ethylphosphate (S)</option>
      <option value="Ethylphosphate (T)">Ethylphosphate (T)</option>
      <option value="Ethylphosphate (Y)">Ethylphosphate (Y)</option>
      <option value="ethylsulfonylethyl (C)">ethylsulfonylethyl (C)</option>
      <option value="ethylsulfonylethyl (H)">ethylsulfonylethyl (H)</option>
      <option value="ethylsulfonylethyl (K)">ethylsulfonylethyl (K)</option>
      <option value="ExacTagAmine (K)">ExacTagAmine (K)</option>
      <option value="ExacTagThiol (C)">ExacTagThiol (C)</option>
      <option value="FAD (C)">FAD (C)</option>
      <option value="FAD (H)">FAD (H)</option>
      <option value="FAD (Y)">FAD (Y)</option>
      <option value="Farnesyl (C)">Farnesyl (C)</option>
      <option value="Fluorescein (C)">Fluorescein (C)</option>
      <option value="Fluorescein-tyramine (Y)">Fluorescein-tyramine (Y)</option>
      <option value="Fluoro (A)">Fluoro (A)</option>
      <option value="Fluoro (F)">Fluoro (F)</option>
      <option value="Fluoro (W)">Fluoro (W)</option>
      <option value="Fluoro (Y)">Fluoro (Y)</option>
      <option value="FMN (S)">FMN (S)</option>
      <option value="FMN (T)">FMN (T)</option>
      <option value="FMNC (C)">FMNC (C)</option>
      <option value="FMNH (C)">FMNH (C)</option>
      <option value="FMNH (H)">FMNH (H)</option>
      <option value="FNEM (C)">FNEM (C)</option>
      <option value="Formyl (K)">Formyl (K)</option>
      <option value="Formyl (N-term)">Formyl (N-term)</option>
      <option value="Formyl (Protein N-term)">Formyl (Protein N-term)</option>
      <option value="Formyl (S)">Formyl (S)</option>
      <option value="Formyl (T)">Formyl (T)</option>
      <option value="Formylasparagine (H)">Formylasparagine (H)</option>
      <option value="FormylMet (Protein N-term)">FormylMet (Protein N-term)</option>
      <option value="FP-Biotin (K)">FP-Biotin (K)</option>
      <option value="FP-Biotin (S)">FP-Biotin (S)</option>
      <option value="FP-Biotin (T)">FP-Biotin (T)</option>
      <option value="FP-Biotin (Y)">FP-Biotin (Y)</option>
      <option value="FTC (C)">FTC (C)</option>
      <option value="FTC (K)">FTC (K)</option>
      <option value="FTC (P)">FTC (P)</option>
      <option value="FTC (R)">FTC (R)</option>
      <option value="FTC (S)">FTC (S)</option>
      <option value="Furan (Y)">Furan (Y)</option>
      <option value="G-H1 (R)">G-H1 (R)</option>
      <option value="Galactosyl (K)">Galactosyl (K)</option>
      <option value="Galactosyl (N-term)">Galactosyl (N-term)</option>
      <option value="GEE (Q)">GEE (Q)</option>
      <option value="GeranylGeranyl (C)">GeranylGeranyl (C)</option>
      <option value="GG (C)">GG (C)</option>
      <option value="GG (K)">GG (K)</option>
      <option value="GG (Protein N-term)">GG (Protein N-term)</option>
      <option value="GG (S)">GG (S)</option>
      <option value="GG (T)">GG (T)</option>
      <option value="GGQ (K)">GGQ (K)</option>
      <option value="GIST-Quat (K)">GIST-Quat (K)</option>
      <option value="GIST-Quat (N-term)">GIST-Quat (N-term)</option>
      <option value="GIST-Quat:2H(3) (K)">GIST-Quat:2H(3) (K)</option>
      <option value="GIST-Quat:2H(3) (N-term)">GIST-Quat:2H(3) (N-term)</option>
      <option value="GIST-Quat:2H(6) (K)">GIST-Quat:2H(6) (K)</option>
      <option value="GIST-Quat:2H(6) (N-term)">GIST-Quat:2H(6) (N-term)</option>
      <option value="GIST-Quat:2H(9) (K)">GIST-Quat:2H(9) (K)</option>
      <option value="GIST-Quat:2H(9) (N-term)">GIST-Quat:2H(9) (N-term)</option>
      <option value="Gln-&gt;Ala (Q)">Gln-&gt;Ala (Q)</option>
      <option value="Gln-&gt;Arg (Q)">Gln-&gt;Arg (Q)</option>
      <option value="Gln-&gt;Asn (Q)">Gln-&gt;Asn (Q)</option>
      <option value="Gln-&gt;Asp (Q)">Gln-&gt;Asp (Q)</option>
      <option value="Gln-&gt;Cys (Q)">Gln-&gt;Cys (Q)</option>
      <option value="Gln-&gt;Glu (Q)">Gln-&gt;Glu (Q)</option>
      <option value="Gln-&gt;Gly (Q)">Gln-&gt;Gly (Q)</option>
      <option value="Gln-&gt;His (Q)">Gln-&gt;His (Q)</option>
      <option value="Gln-&gt;Lys (Q)">Gln-&gt;Lys (Q)</option>
      <option value="Gln-&gt;Met (Q)">Gln-&gt;Met (Q)</option>
      <option value="Gln-&gt;Phe (Q)">Gln-&gt;Phe (Q)</option>
      <option value="Gln-&gt;Pro (Q)">Gln-&gt;Pro (Q)</option>
      <option value="Gln-&gt;pyro-Glu (N-term Q)">Gln-&gt;pyro-Glu (N-term Q)</option>
      <option value="Gln-&gt;Ser (Q)">Gln-&gt;Ser (Q)</option>
      <option value="Gln-&gt;Thr (Q)">Gln-&gt;Thr (Q)</option>
      <option value="Gln-&gt;Trp (Q)">Gln-&gt;Trp (Q)</option>
      <option value="Gln-&gt;Tyr (Q)">Gln-&gt;Tyr (Q)</option>
      <option value="Gln-&gt;Val (Q)">Gln-&gt;Val (Q)</option>
      <option value="Gln-&gt;Xle (Q)">Gln-&gt;Xle (Q)</option>
      <option value="Glu (E)">Glu (E)</option>
      <option value="Glu (Protein C-term)">Glu (Protein C-term)</option>
      <option value="Glu-&gt;Ala (E)">Glu-&gt;Ala (E)</option>
      <option value="Glu-&gt;Arg (E)">Glu-&gt;Arg (E)</option>
      <option value="Glu-&gt;Asn (E)">Glu-&gt;Asn (E)</option>
      <option value="Glu-&gt;Asp (E)">Glu-&gt;Asp (E)</option>
      <option value="Glu-&gt;Cys (E)">Glu-&gt;Cys (E)</option>
      <option value="Glu-&gt;Gln (E)">Glu-&gt;Gln (E)</option>
      <option value="Glu-&gt;Gly (E)">Glu-&gt;Gly (E)</option>
      <option value="Glu-&gt;His (E)">Glu-&gt;His (E)</option>
      <option value="Glu-&gt;Lys (E)">Glu-&gt;Lys (E)</option>
      <option value="Glu-&gt;Met (E)">Glu-&gt;Met (E)</option>
      <option value="Glu-&gt;Phe (E)">Glu-&gt;Phe (E)</option>
      <option value="Glu-&gt;Pro (E)">Glu-&gt;Pro (E)</option>
      <option value="Glu-&gt;pyro-Glu (N-term E)">Glu-&gt;pyro-Glu (N-term E)</option>
      <option value="Glu-&gt;pyro-Glu+Methyl (N-term E)">Glu-&gt;pyro-Glu+Methyl (N-term E)</option>
      <option value="Glu-&gt;pyro-Glu+Methyl:2H(2)13C (N-term E)">Glu-&gt;pyro-Glu+Methyl:2H(2)13C (N-term E)</option>
      <option value="Glu-&gt;pyro-Glu+Methyl:2H(2)13C(1) (N-term E)">Glu-&gt;pyro-Glu+Methyl:2H(2)13C(1) (N-term E)</option>
      <option value="Glu-&gt;Ser (E)">Glu-&gt;Ser (E)</option>
      <option value="Glu-&gt;Thr (E)">Glu-&gt;Thr (E)</option>
      <option value="Glu-&gt;Trp (E)">Glu-&gt;Trp (E)</option>
      <option value="Glu-&gt;Tyr (E)">Glu-&gt;Tyr (E)</option>
      <option value="Glu-&gt;Val (E)">Glu-&gt;Val (E)</option>
      <option value="Glu-&gt;Xle (E)">Glu-&gt;Xle (E)</option>
      <option value="glucosone (R)">glucosone (R)</option>
      <option value="Glucosylgalactosyl (K)">Glucosylgalactosyl (K)</option>
      <option value="Glucuronyl (Protein N-term)">Glucuronyl (Protein N-term)</option>
      <option value="Glucuronyl (S)">Glucuronyl (S)</option>
      <option value="Glucuronyl (T)">Glucuronyl (T)</option>
      <option value="GluGlu (E)">GluGlu (E)</option>
      <option value="GluGlu (Protein C-term)">GluGlu (Protein C-term)</option>
      <option value="GluGluGlu (E)">GluGluGlu (E)</option>
      <option value="GluGluGlu (Protein C-term)">GluGluGlu (Protein C-term)</option>
      <option value="GluGluGluGlu (E)">GluGluGluGlu (E)</option>
      <option value="GluGluGluGlu (Protein C-term)">GluGluGluGlu (Protein C-term)</option>
      <option value="Gluratylation (K)">Gluratylation (K)</option>
      <option value="Glutathione (C)">Glutathione (C)</option>
      <option value="Gly (K)">Gly (K)</option>
      <option value="Gly (S)">Gly (S)</option>
      <option value="Gly (T)">Gly (T)</option>
      <option value="Gly-&gt;Ala (G)">Gly-&gt;Ala (G)</option>
      <option value="Gly-&gt;Arg (G)">Gly-&gt;Arg (G)</option>
      <option value="Gly-&gt;Asn (G)">Gly-&gt;Asn (G)</option>
      <option value="Gly-&gt;Asp (G)">Gly-&gt;Asp (G)</option>
      <option value="Gly-&gt;Cys (G)">Gly-&gt;Cys (G)</option>
      <option value="Gly-&gt;Gln (G)">Gly-&gt;Gln (G)</option>
      <option value="Gly-&gt;Glu (G)">Gly-&gt;Glu (G)</option>
      <option value="Gly-&gt;His (G)">Gly-&gt;His (G)</option>
      <option value="Gly-&gt;Lys (G)">Gly-&gt;Lys (G)</option>
      <option value="Gly-&gt;Met (G)">Gly-&gt;Met (G)</option>
      <option value="Gly-&gt;Phe (G)">Gly-&gt;Phe (G)</option>
      <option value="Gly-&gt;Pro (G)">Gly-&gt;Pro (G)</option>
      <option value="Gly-&gt;Ser (G)">Gly-&gt;Ser (G)</option>
      <option value="Gly-&gt;Thr (G)">Gly-&gt;Thr (G)</option>
      <option value="Gly-&gt;Trp (G)">Gly-&gt;Trp (G)</option>
      <option value="Gly-&gt;Tyr (G)">Gly-&gt;Tyr (G)</option>
      <option value="Gly-&gt;Val (G)">Gly-&gt;Val (G)</option>
      <option value="Gly-&gt;Xle (G)">Gly-&gt;Xle (G)</option>
      <option value="Gly-loss+Amide (C-term G)">Gly-loss+Amide (C-term G)</option>
      <option value="Glycerophospho (S)">Glycerophospho (S)</option>
      <option value="GlycerylPE (E)">GlycerylPE (E)</option>
      <option value="glycidamide (K)">glycidamide (K)</option>
      <option value="glycidamide (N-term)">glycidamide (N-term)</option>
      <option value="Glycosyl (P)">Glycosyl (P)</option>
      <option value="glyoxalAGE (R)">glyoxalAGE (R)</option>
      <option value="GNLLFLACYCIGG (K)">GNLLFLACYCIGG (K)</option>
      <option value="GPIanchor (Protein C-term)">GPIanchor (Protein C-term)</option>
      <option value="Guanidinyl (K)">Guanidinyl (K)</option>
      <option value="Guanidinyl (N-term)">Guanidinyl (N-term)</option>
      <option value="Haloxon (C)">Haloxon (C)</option>
      <option value="Haloxon (H)">Haloxon (H)</option>
      <option value="Haloxon (K)">Haloxon (K)</option>
      <option value="Haloxon (S)">Haloxon (S)</option>
      <option value="Haloxon (T)">Haloxon (T)</option>
      <option value="Haloxon (Y)">Haloxon (Y)</option>
      <option value="HCysteinyl (C)">HCysteinyl (C)</option>
      <option value="HCysThiolactone (K)">HCysThiolactone (K)</option>
      <option value="Heme (C)">Heme (C)</option>
      <option value="Heme (H)">Heme (H)</option>
      <option value="Hep (K)">Hep (K)</option>
      <option value="Hep (N)">Hep (N)</option>
      <option value="Hep (Q)">Hep (Q)</option>
      <option value="Hep (R)">Hep (R)</option>
      <option value="Hep (S)">Hep (S)</option>
      <option value="Hep (T)">Hep (T)</option>
      <option value="Hex (C)">Hex (C)</option>
      <option value="Hex (K)">Hex (K)</option>
      <option value="Hex (N)">Hex (N)</option>
      <option value="Hex (N-term)">Hex (N-term)</option>
      <option value="Hex (R)">Hex (R)</option>
      <option value="Hex (S)">Hex (S)</option>
      <option value="Hex (T)">Hex (T)</option>
      <option value="Hex (W)">Hex (W)</option>
      <option value="Hex (Y)">Hex (Y)</option>
      <option value="Hex(1)HexA(1) (S)">Hex(1)HexA(1) (S)</option>
      <option value="Hex(1)HexA(1) (T)">Hex(1)HexA(1) (T)</option>
      <option value="Hex(1)HexA(1)HexNAc(1) (S)">Hex(1)HexA(1)HexNAc(1) (S)</option>
      <option value="Hex(1)HexA(1)HexNAc(1) (T)">Hex(1)HexA(1)HexNAc(1) (T)</option>
      <option value="Hex(1)HexA(1)HexNAc(2) (S)">Hex(1)HexA(1)HexNAc(2) (S)</option>
      <option value="Hex(1)HexA(1)HexNAc(2) (T)">Hex(1)HexA(1)HexNAc(2) (T)</option>
      <option value="Hex(1)HexNAc(1) (N)">Hex(1)HexNAc(1) (N)</option>
      <option value="Hex(1)HexNAc(1) (S)">Hex(1)HexNAc(1) (S)</option>
      <option value="Hex(1)HexNAc(1) (T)">Hex(1)HexNAc(1) (T)</option>
      <option value="Hex(1)HexNAc(1)dHex(1) (N)">Hex(1)HexNAc(1)dHex(1) (N)</option>
      <option value="Hex(1)HexNAc(1)dHex(1) (S)">Hex(1)HexNAc(1)dHex(1) (S)</option>
      <option value="Hex(1)HexNAc(1)dHex(1) (T)">Hex(1)HexNAc(1)dHex(1) (T)</option>
      <option value="Hex(1)HexNAc(1)dHex(1)Me(1) (S)">Hex(1)HexNAc(1)dHex(1)Me(1) (S)</option>
      <option value="Hex(1)HexNAc(1)dHex(1)Me(1) (T)">Hex(1)HexNAc(1)dHex(1)Me(1) (T)</option>
      <option value="Hex(1)HexNAc(1)dHex(1)Me(2) (S)">Hex(1)HexNAc(1)dHex(1)Me(2) (S)</option>
      <option value="Hex(1)HexNAc(1)dHex(1)Me(2) (T)">Hex(1)HexNAc(1)dHex(1)Me(2) (T)</option>
      <option value="Hex(1)HexNAc(1)Kdn(1)Sulf(1) (S)">Hex(1)HexNAc(1)Kdn(1)Sulf(1) (S)</option>
      <option value="Hex(1)HexNAc(1)Kdn(1)Sulf(1) (T)">Hex(1)HexNAc(1)Kdn(1)Sulf(1) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(1) (N)">Hex(1)HexNAc(1)NeuAc(1) (N)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(1) (S)">Hex(1)HexNAc(1)NeuAc(1) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(1) (T)">Hex(1)HexNAc(1)NeuAc(1) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(1)Ac(1) (S)">Hex(1)HexNAc(1)NeuAc(1)Ac(1) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(1)Ac(1) (T)">Hex(1)HexNAc(1)NeuAc(1)Ac(1) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(1)NeuGc(1) (S)">Hex(1)HexNAc(1)NeuAc(1)NeuGc(1) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(1)NeuGc(1) (T)">Hex(1)HexNAc(1)NeuAc(1)NeuGc(1) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(1)Sulf(1) (S)">Hex(1)HexNAc(1)NeuAc(1)Sulf(1) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(1)Sulf(1) (T)">Hex(1)HexNAc(1)NeuAc(1)Sulf(1) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(2) (N)">Hex(1)HexNAc(1)NeuAc(2) (N)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(2) (S)">Hex(1)HexNAc(1)NeuAc(2) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(2) (T)">Hex(1)HexNAc(1)NeuAc(2) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(2)Ac(1) (S)">Hex(1)HexNAc(1)NeuAc(2)Ac(1) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(2)Ac(1) (T)">Hex(1)HexNAc(1)NeuAc(2)Ac(1) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(2)Ac(2) (S)">Hex(1)HexNAc(1)NeuAc(2)Ac(2) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(2)Ac(2) (T)">Hex(1)HexNAc(1)NeuAc(2)Ac(2) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(3) (S)">Hex(1)HexNAc(1)NeuAc(3) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuAc(3) (T)">Hex(1)HexNAc(1)NeuAc(3) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuGc(1) (S)">Hex(1)HexNAc(1)NeuGc(1) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuGc(1) (T)">Hex(1)HexNAc(1)NeuGc(1) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuGc(2) (S)">Hex(1)HexNAc(1)NeuGc(2) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuGc(2) (T)">Hex(1)HexNAc(1)NeuGc(2) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuGc(3) (S)">Hex(1)HexNAc(1)NeuGc(3) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuGc(3) (T)">Hex(1)HexNAc(1)NeuGc(3) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuGc(4) (S)">Hex(1)HexNAc(1)NeuGc(4) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuGc(4) (T)">Hex(1)HexNAc(1)NeuGc(4) (T)</option>
      <option value="Hex(1)HexNAc(1)NeuGc(5) (S)">Hex(1)HexNAc(1)NeuGc(5) (S)</option>
      <option value="Hex(1)HexNAc(1)NeuGc(5) (T)">Hex(1)HexNAc(1)NeuGc(5) (T)</option>
      <option value="Hex(1)HexNAc(1)Phos(1) (S)">Hex(1)HexNAc(1)Phos(1) (S)</option>
      <option value="Hex(1)HexNAc(1)Phos(1) (T)">Hex(1)HexNAc(1)Phos(1) (T)</option>
      <option value="Hex(1)HexNAc(1)Sulf(1) (S)">Hex(1)HexNAc(1)Sulf(1) (S)</option>
      <option value="Hex(1)HexNAc(1)Sulf(1) (T)">Hex(1)HexNAc(1)Sulf(1) (T)</option>
      <option value="Hex(1)HexNAc(2) (N)">Hex(1)HexNAc(2) (N)</option>
      <option value="Hex(1)HexNAc(2) (S)">Hex(1)HexNAc(2) (S)</option>
      <option value="Hex(1)HexNAc(2) (T)">Hex(1)HexNAc(2) (T)</option>
      <option value="Hex(1)HexNAc(2)dHex(1) (N)">Hex(1)HexNAc(2)dHex(1) (N)</option>
      <option value="Hex(1)HexNAc(2)dHex(1) (S)">Hex(1)HexNAc(2)dHex(1) (S)</option>
      <option value="Hex(1)HexNAc(2)dHex(1) (T)">Hex(1)HexNAc(2)dHex(1) (T)</option>
      <option value="Hex(1)HexNAc(2)dHex(1)Pent(1) (N)">Hex(1)HexNAc(2)dHex(1)Pent(1) (N)</option>
      <option value="Hex(1)HexNAc(2)dHex(2) (N)">Hex(1)HexNAc(2)dHex(2) (N)</option>
      <option value="Hex(1)HexNAc(2)dHex(2) (S)">Hex(1)HexNAc(2)dHex(2) (S)</option>
      <option value="Hex(1)HexNAc(2)dHex(2) (T)">Hex(1)HexNAc(2)dHex(2) (T)</option>
      <option value="Hex(1)HexNAc(2)dHex(2)Sulf(1) (S)">Hex(1)HexNAc(2)dHex(2)Sulf(1) (S)</option>
      <option value="Hex(1)HexNAc(2)dHex(2)Sulf(1) (T)">Hex(1)HexNAc(2)dHex(2)Sulf(1) (T)</option>
      <option value="Hex(1)HexNAc(2)NeuAc(1) (S)">Hex(1)HexNAc(2)NeuAc(1) (S)</option>
      <option value="Hex(1)HexNAc(2)NeuAc(1) (T)">Hex(1)HexNAc(2)NeuAc(1) (T)</option>
      <option value="Hex(1)HexNAc(2)NeuAc(1)Sulf(1) (S)">Hex(1)HexNAc(2)NeuAc(1)Sulf(1) (S)</option>
      <option value="Hex(1)HexNAc(2)NeuAc(1)Sulf(1) (T)">Hex(1)HexNAc(2)NeuAc(1)Sulf(1) (T)</option>
      <option value="Hex(1)HexNAc(2)NeuAc(2) (S)">Hex(1)HexNAc(2)NeuAc(2) (S)</option>
      <option value="Hex(1)HexNAc(2)NeuAc(2) (T)">Hex(1)HexNAc(2)NeuAc(2) (T)</option>
      <option value="Hex(1)HexNAc(2)NeuAc(2)Sulf(1) (S)">Hex(1)HexNAc(2)NeuAc(2)Sulf(1) (S)</option>
      <option value="Hex(1)HexNAc(2)NeuAc(2)Sulf(1) (T)">Hex(1)HexNAc(2)NeuAc(2)Sulf(1) (T)</option>
      <option value="Hex(1)HexNAc(2)NeuGc(1) (S)">Hex(1)HexNAc(2)NeuGc(1) (S)</option>
      <option value="Hex(1)HexNAc(2)NeuGc(1) (T)">Hex(1)HexNAc(2)NeuGc(1) (T)</option>
      <option value="Hex(1)HexNAc(2)Pent(1) (N)">Hex(1)HexNAc(2)Pent(1) (N)</option>
      <option value="Hex(1)HexNAc(2)Sulf(1) (S)">Hex(1)HexNAc(2)Sulf(1) (S)</option>
      <option value="Hex(1)HexNAc(2)Sulf(1) (T)">Hex(1)HexNAc(2)Sulf(1) (T)</option>
      <option value="Hex(1)HexNAc(3) (S)">Hex(1)HexNAc(3) (S)</option>
      <option value="Hex(1)HexNAc(3) (T)">Hex(1)HexNAc(3) (T)</option>
      <option value="Hex(1)HexNAc(3)NeuAc(1) (S)">Hex(1)HexNAc(3)NeuAc(1) (S)</option>
      <option value="Hex(1)HexNAc(3)NeuAc(1) (T)">Hex(1)HexNAc(3)NeuAc(1) (T)</option>
      <option value="Hex(1)HexNAc(3)NeuAc(2) (S)">Hex(1)HexNAc(3)NeuAc(2) (S)</option>
      <option value="Hex(1)HexNAc(3)NeuAc(2) (T)">Hex(1)HexNAc(3)NeuAc(2) (T)</option>
      <option value="Hex(1)HexNAc(3)NeuGc(1) (S)">Hex(1)HexNAc(3)NeuGc(1) (S)</option>
      <option value="Hex(1)HexNAc(3)NeuGc(1) (T)">Hex(1)HexNAc(3)NeuGc(1) (T)</option>
      <option value="Hex(1)HexNAc(3)Sulf(1) (S)">Hex(1)HexNAc(3)Sulf(1) (S)</option>
      <option value="Hex(1)HexNAc(3)Sulf(1) (T)">Hex(1)HexNAc(3)Sulf(1) (T)</option>
      <option value="Hex(1)HexNAc(4)dHex(1)Sulf(1) (S)">Hex(1)HexNAc(4)dHex(1)Sulf(1) (S)</option>
      <option value="Hex(1)HexNAc(4)dHex(1)Sulf(1) (T)">Hex(1)HexNAc(4)dHex(1)Sulf(1) (T)</option>
      <option value="Hex(1)NeuAc(1) (S)">Hex(1)NeuAc(1) (S)</option>
      <option value="Hex(1)NeuAc(1) (T)">Hex(1)NeuAc(1) (T)</option>
      <option value="Hex(1)NeuAc(1)Pent(1) (S)">Hex(1)NeuAc(1)Pent(1) (S)</option>
      <option value="Hex(1)NeuAc(1)Pent(1) (T)">Hex(1)NeuAc(1)Pent(1) (T)</option>
      <option value="Hex(1)NeuGc(1) (S)">Hex(1)NeuGc(1) (S)</option>
      <option value="Hex(1)NeuGc(1) (T)">Hex(1)NeuGc(1) (T)</option>
      <option value="Hex(1)Pent(1) (S)">Hex(1)Pent(1) (S)</option>
      <option value="Hex(1)Pent(1) (T)">Hex(1)Pent(1) (T)</option>
      <option value="Hex(1)Pent(2) (S)">Hex(1)Pent(2) (S)</option>
      <option value="Hex(1)Pent(2) (T)">Hex(1)Pent(2) (T)</option>
      <option value="Hex(1)Pent(2)Me(1) (S)">Hex(1)Pent(2)Me(1) (S)</option>
      <option value="Hex(1)Pent(2)Me(1) (T)">Hex(1)Pent(2)Me(1) (T)</option>
      <option value="Hex(1)Pent(3) (S)">Hex(1)Pent(3) (S)</option>
      <option value="Hex(1)Pent(3) (T)">Hex(1)Pent(3) (T)</option>
      <option value="Hex(1)Pent(3)Me(1) (S)">Hex(1)Pent(3)Me(1) (S)</option>
      <option value="Hex(1)Pent(3)Me(1) (T)">Hex(1)Pent(3)Me(1) (T)</option>
      <option value="Hex(10)HexNAc(1) (N)">Hex(10)HexNAc(1) (N)</option>
      <option value="Hex(10)Phos(3) (S)">Hex(10)Phos(3) (S)</option>
      <option value="Hex(10)Phos(3) (T)">Hex(10)Phos(3) (T)</option>
      <option value="Hex(2) (K)">Hex(2) (K)</option>
      <option value="Hex(2) (R)">Hex(2) (R)</option>
      <option value="Hex(2) (S)">Hex(2) (S)</option>
      <option value="Hex(2) (T)">Hex(2) (T)</option>
      <option value="Hex(2)HexA(1)HexNAc(1)Sulf(1) (S)">Hex(2)HexA(1)HexNAc(1)Sulf(1) (S)</option>
      <option value="Hex(2)HexA(1)HexNAc(1)Sulf(1) (T)">Hex(2)HexA(1)HexNAc(1)Sulf(1) (T)</option>
      <option value="Hex(2)HexA(1)NeuAc(1)Pent(1)Sulf(1) (S)">Hex(2)HexA(1)NeuAc(1)Pent(1)Sulf(1) (S)</option>
      <option value="Hex(2)HexA(1)NeuAc(1)Pent(1)Sulf(1) (T)">Hex(2)HexA(1)NeuAc(1)Pent(1)Sulf(1) (T)</option>
      <option value="Hex(2)HexA(1)Pent(1)Sulf(1) (S)">Hex(2)HexA(1)Pent(1)Sulf(1) (S)</option>
      <option value="Hex(2)HexA(1)Pent(1)Sulf(1) (T)">Hex(2)HexA(1)Pent(1)Sulf(1) (T)</option>
      <option value="Hex(2)HexNAc(1) (N)">Hex(2)HexNAc(1) (N)</option>
      <option value="Hex(2)HexNAc(1) (S)">Hex(2)HexNAc(1) (S)</option>
      <option value="Hex(2)HexNAc(1) (T)">Hex(2)HexNAc(1) (T)</option>
      <option value="Hex(2)HexNAc(1)Me(1) (S)">Hex(2)HexNAc(1)Me(1) (S)</option>
      <option value="Hex(2)HexNAc(1)Me(1) (T)">Hex(2)HexNAc(1)Me(1) (T)</option>
      <option value="Hex(2)HexNAc(1)NeuGc(1) (S)">Hex(2)HexNAc(1)NeuGc(1) (S)</option>
      <option value="Hex(2)HexNAc(1)NeuGc(1) (T)">Hex(2)HexNAc(1)NeuGc(1) (T)</option>
      <option value="Hex(2)HexNAc(1)NeuGc(2) (S)">Hex(2)HexNAc(1)NeuGc(2) (S)</option>
      <option value="Hex(2)HexNAc(1)NeuGc(2) (T)">Hex(2)HexNAc(1)NeuGc(2) (T)</option>
      <option value="Hex(2)HexNAc(1)NeuGc(3) (S)">Hex(2)HexNAc(1)NeuGc(3) (S)</option>
      <option value="Hex(2)HexNAc(1)NeuGc(3) (T)">Hex(2)HexNAc(1)NeuGc(3) (T)</option>
      <option value="Hex(2)HexNAc(1)NeuGc(4) (S)">Hex(2)HexNAc(1)NeuGc(4) (S)</option>
      <option value="Hex(2)HexNAc(1)NeuGc(4) (T)">Hex(2)HexNAc(1)NeuGc(4) (T)</option>
      <option value="Hex(2)HexNAc(1)Pent(1)HexA(1) (S)">Hex(2)HexNAc(1)Pent(1)HexA(1) (S)</option>
      <option value="Hex(2)HexNAc(1)Pent(1)HexA(1) (T)">Hex(2)HexNAc(1)Pent(1)HexA(1) (T)</option>
      <option value="Hex(2)HexNAc(1)Sulf(1) (S)">Hex(2)HexNAc(1)Sulf(1) (S)</option>
      <option value="Hex(2)HexNAc(1)Sulf(1) (T)">Hex(2)HexNAc(1)Sulf(1) (T)</option>
      <option value="Hex(2)HexNAc(2) (N)">Hex(2)HexNAc(2) (N)</option>
      <option value="Hex(2)HexNAc(2) (S)">Hex(2)HexNAc(2) (S)</option>
      <option value="Hex(2)HexNAc(2) (T)">Hex(2)HexNAc(2) (T)</option>
      <option value="Hex(2)HexNAc(2)dHex(1) (N)">Hex(2)HexNAc(2)dHex(1) (N)</option>
      <option value="Hex(2)HexNAc(2)dHex(1) (S)">Hex(2)HexNAc(2)dHex(1) (S)</option>
      <option value="Hex(2)HexNAc(2)dHex(1) (T)">Hex(2)HexNAc(2)dHex(1) (T)</option>
      <option value="Hex(2)HexNAc(2)NeuAc(1) (N)">Hex(2)HexNAc(2)NeuAc(1) (N)</option>
      <option value="Hex(2)HexNAc(2)NeuAc(1) (S)">Hex(2)HexNAc(2)NeuAc(1) (S)</option>
      <option value="Hex(2)HexNAc(2)NeuAc(1) (T)">Hex(2)HexNAc(2)NeuAc(1) (T)</option>
      <option value="Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (S)">Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (S)</option>
      <option value="Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (T)">Hex(2)HexNAc(2)NeuAc(1)Sulf(1) (T)</option>
      <option value="Hex(2)HexNAc(2)NeuAc(2) (S)">Hex(2)HexNAc(2)NeuAc(2) (S)</option>
      <option value="Hex(2)HexNAc(2)NeuAc(2) (T)">Hex(2)HexNAc(2)NeuAc(2) (T)</option>
      <option value="Hex(2)HexNAc(2)NeuAc(2)Sulf(1) (S)">Hex(2)HexNAc(2)NeuAc(2)Sulf(1) (S)</option>
      <option value="Hex(2)HexNAc(2)NeuAc(2)Sulf(1) (T)">Hex(2)HexNAc(2)NeuAc(2)Sulf(1) (T)</option>
      <option value="Hex(2)HexNAc(2)NeuGc(1) (S)">Hex(2)HexNAc(2)NeuGc(1) (S)</option>
      <option value="Hex(2)HexNAc(2)NeuGc(1) (T)">Hex(2)HexNAc(2)NeuGc(1) (T)</option>
      <option value="Hex(2)HexNAc(2)Pent(1) (N)">Hex(2)HexNAc(2)Pent(1) (N)</option>
      <option value="Hex(2)HexNAc(2)Sulf(1) (S)">Hex(2)HexNAc(2)Sulf(1) (S)</option>
      <option value="Hex(2)HexNAc(2)Sulf(1) (T)">Hex(2)HexNAc(2)Sulf(1) (T)</option>
      <option value="Hex(2)HexNAc(3) (N)">Hex(2)HexNAc(3) (N)</option>
      <option value="Hex(2)HexNAc(3) (S)">Hex(2)HexNAc(3) (S)</option>
      <option value="Hex(2)HexNAc(3) (T)">Hex(2)HexNAc(3) (T)</option>
      <option value="Hex(2)HexNAc(3)NeuAc(1)NeuGc(1) (S)">Hex(2)HexNAc(3)NeuAc(1)NeuGc(1) (S)</option>
      <option value="Hex(2)HexNAc(3)NeuAc(1)NeuGc(1) (T)">Hex(2)HexNAc(3)NeuAc(1)NeuGc(1) (T)</option>
      <option value="Hex(2)HexNAc(3)NeuAc(1)Sulf(1) (S)">Hex(2)HexNAc(3)NeuAc(1)Sulf(1) (S)</option>
      <option value="Hex(2)HexNAc(3)NeuAc(1)Sulf(1) (T)">Hex(2)HexNAc(3)NeuAc(1)Sulf(1) (T)</option>
      <option value="Hex(2)HexNAc(3)NeuAc(2) (S)">Hex(2)HexNAc(3)NeuAc(2) (S)</option>
      <option value="Hex(2)HexNAc(3)NeuAc(2) (T)">Hex(2)HexNAc(3)NeuAc(2) (T)</option>
      <option value="Hex(2)HexNAc(3)NeuAc(3) (S)">Hex(2)HexNAc(3)NeuAc(3) (S)</option>
      <option value="Hex(2)HexNAc(3)NeuAc(3) (T)">Hex(2)HexNAc(3)NeuAc(3) (T)</option>
      <option value="Hex(2)HexNAc(3)NeuGc(1) (S)">Hex(2)HexNAc(3)NeuGc(1) (S)</option>
      <option value="Hex(2)HexNAc(3)NeuGc(1) (T)">Hex(2)HexNAc(3)NeuGc(1) (T)</option>
      <option value="Hex(2)HexNAc(3)NeuGc(2) (S)">Hex(2)HexNAc(3)NeuGc(2) (S)</option>
      <option value="Hex(2)HexNAc(3)NeuGc(2) (T)">Hex(2)HexNAc(3)NeuGc(2) (T)</option>
      <option value="Hex(2)HexNAc(3)NeuGc(3) (S)">Hex(2)HexNAc(3)NeuGc(3) (S)</option>
      <option value="Hex(2)HexNAc(3)NeuGc(3) (T)">Hex(2)HexNAc(3)NeuGc(3) (T)</option>
      <option value="Hex(2)HexNAc(3)Sulf(1) (S)">Hex(2)HexNAc(3)Sulf(1) (S)</option>
      <option value="Hex(2)HexNAc(3)Sulf(1) (T)">Hex(2)HexNAc(3)Sulf(1) (T)</option>
      <option value="Hex(2)HexNAc(4) (N)">Hex(2)HexNAc(4) (N)</option>
      <option value="Hex(2)HexNAc(4) (S)">Hex(2)HexNAc(4) (S)</option>
      <option value="Hex(2)HexNAc(4) (T)">Hex(2)HexNAc(4) (T)</option>
      <option value="Hex(2)HexNAc(4)NeuAc(1) (S)">Hex(2)HexNAc(4)NeuAc(1) (S)</option>
      <option value="Hex(2)HexNAc(4)NeuAc(1) (T)">Hex(2)HexNAc(4)NeuAc(1) (T)</option>
      <option value="Hex(2)HexNAc(5) (S)">Hex(2)HexNAc(5) (S)</option>
      <option value="Hex(2)HexNAc(5) (T)">Hex(2)HexNAc(5) (T)</option>
      <option value="Hex(2)NeuAc(1) (S)">Hex(2)NeuAc(1) (S)</option>
      <option value="Hex(2)NeuAc(1) (T)">Hex(2)NeuAc(1) (T)</option>
      <option value="Hex(2)Pent(2) (S)">Hex(2)Pent(2) (S)</option>
      <option value="Hex(2)Pent(2) (T)">Hex(2)Pent(2) (T)</option>
      <option value="Hex(2)Pent(2)Me(1) (S)">Hex(2)Pent(2)Me(1) (S)</option>
      <option value="Hex(2)Pent(2)Me(1) (T)">Hex(2)Pent(2)Me(1) (T)</option>
      <option value="Hex(2)Sulf(1) (S)">Hex(2)Sulf(1) (S)</option>
      <option value="Hex(2)Sulf(1) (T)">Hex(2)Sulf(1) (T)</option>
      <option value="Hex(3) (N)">Hex(3) (N)</option>
      <option value="Hex(3) (S)">Hex(3) (S)</option>
      <option value="Hex(3) (T)">Hex(3) (T)</option>
      <option value="Hex(3)HexNAc(1) (N)">Hex(3)HexNAc(1) (N)</option>
      <option value="Hex(3)HexNAc(1) (S)">Hex(3)HexNAc(1) (S)</option>
      <option value="Hex(3)HexNAc(1) (T)">Hex(3)HexNAc(1) (T)</option>
      <option value="Hex(3)HexNAc(1)HexA(1) (S)">Hex(3)HexNAc(1)HexA(1) (S)</option>
      <option value="Hex(3)HexNAc(1)HexA(1) (T)">Hex(3)HexNAc(1)HexA(1) (T)</option>
      <option value="Hex(3)HexNAc(1)Me(1) (S)">Hex(3)HexNAc(1)Me(1) (S)</option>
      <option value="Hex(3)HexNAc(1)Me(1) (T)">Hex(3)HexNAc(1)Me(1) (T)</option>
      <option value="Hex(3)HexNAc(1)Pent(1) (N)">Hex(3)HexNAc(1)Pent(1) (N)</option>
      <option value="Hex(3)HexNAc(2) (N)">Hex(3)HexNAc(2) (N)</option>
      <option value="Hex(3)HexNAc(2) (S)">Hex(3)HexNAc(2) (S)</option>
      <option value="Hex(3)HexNAc(2) (T)">Hex(3)HexNAc(2) (T)</option>
      <option value="Hex(3)HexNAc(2)NeuAc(1) (N)">Hex(3)HexNAc(2)NeuAc(1) (N)</option>
      <option value="Hex(3)HexNAc(2)NeuAc(2) (S)">Hex(3)HexNAc(2)NeuAc(2) (S)</option>
      <option value="Hex(3)HexNAc(2)NeuAc(2) (T)">Hex(3)HexNAc(2)NeuAc(2) (T)</option>
      <option value="Hex(3)HexNAc(2)Pent(1) (N)">Hex(3)HexNAc(2)Pent(1) (N)</option>
      <option value="Hex(3)HexNAc(2)Phos(1) (N)">Hex(3)HexNAc(2)Phos(1) (N)</option>
      <option value="Hex(3)HexNAc(3) (N)">Hex(3)HexNAc(3) (N)</option>
      <option value="Hex(3)HexNAc(3) (S)">Hex(3)HexNAc(3) (S)</option>
      <option value="Hex(3)HexNAc(3) (T)">Hex(3)HexNAc(3) (T)</option>
      <option value="Hex(3)HexNAc(3)NeuAc(1) (S)">Hex(3)HexNAc(3)NeuAc(1) (S)</option>
      <option value="Hex(3)HexNAc(3)NeuAc(1) (T)">Hex(3)HexNAc(3)NeuAc(1) (T)</option>
      <option value="Hex(3)HexNAc(3)NeuAc(1)Sulf(1) (S)">Hex(3)HexNAc(3)NeuAc(1)Sulf(1) (S)</option>
      <option value="Hex(3)HexNAc(3)NeuAc(1)Sulf(1) (T)">Hex(3)HexNAc(3)NeuAc(1)Sulf(1) (T)</option>
      <option value="Hex(3)HexNAc(3)NeuAc(2) (S)">Hex(3)HexNAc(3)NeuAc(2) (S)</option>
      <option value="Hex(3)HexNAc(3)NeuAc(2) (T)">Hex(3)HexNAc(3)NeuAc(2) (T)</option>
      <option value="Hex(3)HexNAc(3)NeuAc(2)Sulf(1) (S)">Hex(3)HexNAc(3)NeuAc(2)Sulf(1) (S)</option>
      <option value="Hex(3)HexNAc(3)NeuAc(2)Sulf(1) (T)">Hex(3)HexNAc(3)NeuAc(2)Sulf(1) (T)</option>
      <option value="Hex(3)HexNAc(3)NeuAc(3) (S)">Hex(3)HexNAc(3)NeuAc(3) (S)</option>
      <option value="Hex(3)HexNAc(3)NeuAc(3) (T)">Hex(3)HexNAc(3)NeuAc(3) (T)</option>
      <option value="Hex(3)HexNAc(3)NeuGc(1) (S)">Hex(3)HexNAc(3)NeuGc(1) (S)</option>
      <option value="Hex(3)HexNAc(3)NeuGc(1) (T)">Hex(3)HexNAc(3)NeuGc(1) (T)</option>
      <option value="Hex(3)HexNAc(3)NeuGc(1)Sulf(1) (S)">Hex(3)HexNAc(3)NeuGc(1)Sulf(1) (S)</option>
      <option value="Hex(3)HexNAc(3)NeuGc(1)Sulf(1) (T)">Hex(3)HexNAc(3)NeuGc(1)Sulf(1) (T)</option>
      <option value="Hex(3)HexNAc(3)Pent(1) (N)">Hex(3)HexNAc(3)Pent(1) (N)</option>
      <option value="Hex(3)HexNAc(3)Sulf(1) (N)">Hex(3)HexNAc(3)Sulf(1) (N)</option>
      <option value="Hex(3)HexNAc(3)Sulf(1) (S)">Hex(3)HexNAc(3)Sulf(1) (S)</option>
      <option value="Hex(3)HexNAc(3)Sulf(1) (T)">Hex(3)HexNAc(3)Sulf(1) (T)</option>
      <option value="Hex(3)HexNAc(4) (N)">Hex(3)HexNAc(4) (N)</option>
      <option value="Hex(3)HexNAc(4) (S)">Hex(3)HexNAc(4) (S)</option>
      <option value="Hex(3)HexNAc(4) (T)">Hex(3)HexNAc(4) (T)</option>
      <option value="Hex(3)HexNAc(4)NeuAc(1) (N)">Hex(3)HexNAc(4)NeuAc(1) (N)</option>
      <option value="Hex(3)HexNAc(4)NeuAc(2) (N)">Hex(3)HexNAc(4)NeuAc(2) (N)</option>
      <option value="Hex(3)HexNAc(4)Pent(1) (N)">Hex(3)HexNAc(4)Pent(1) (N)</option>
      <option value="Hex(3)HexNAc(4)Sulf(1) (N)">Hex(3)HexNAc(4)Sulf(1) (N)</option>
      <option value="Hex(3)HexNAc(5) (N)">Hex(3)HexNAc(5) (N)</option>
      <option value="Hex(3)HexNAc(5) (S)">Hex(3)HexNAc(5) (S)</option>
      <option value="Hex(3)HexNAc(5) (T)">Hex(3)HexNAc(5) (T)</option>
      <option value="Hex(3)HexNAc(5)NeuAc(1) (N)">Hex(3)HexNAc(5)NeuAc(1) (N)</option>
      <option value="Hex(3)HexNAc(5)Sulf(1) (N)">Hex(3)HexNAc(5)Sulf(1) (N)</option>
      <option value="Hex(3)HexNAc(6) (N)">Hex(3)HexNAc(6) (N)</option>
      <option value="Hex(3)HexNAc(6) (S)">Hex(3)HexNAc(6) (S)</option>
      <option value="Hex(3)HexNAc(6) (T)">Hex(3)HexNAc(6) (T)</option>
      <option value="Hex(3)HexNAc(6)NeuAc(1) (N)">Hex(3)HexNAc(6)NeuAc(1) (N)</option>
      <option value="Hex(3)HexNAc(6)Sulf(1) (N)">Hex(3)HexNAc(6)Sulf(1) (N)</option>
      <option value="Hex(3)HexNAc(6)Sulf(2) (N)">Hex(3)HexNAc(6)Sulf(2) (N)</option>
      <option value="Hex(3)HexNAc(7) (N)">Hex(3)HexNAc(7) (N)</option>
      <option value="Hex(3)HexNAc(7)Sulf(1) (N)">Hex(3)HexNAc(7)Sulf(1) (N)</option>
      <option value="Hex(4) (S)">Hex(4) (S)</option>
      <option value="Hex(4) (T)">Hex(4) (T)</option>
      <option value="Hex(4)HexA(1) (S)">Hex(4)HexA(1) (S)</option>
      <option value="Hex(4)HexA(1) (T)">Hex(4)HexA(1) (T)</option>
      <option value="Hex(4)HexA(1)HexNAc(1) (S)">Hex(4)HexA(1)HexNAc(1) (S)</option>
      <option value="Hex(4)HexA(1)HexNAc(1) (T)">Hex(4)HexA(1)HexNAc(1) (T)</option>
      <option value="Hex(4)HexNAc(1) (N)">Hex(4)HexNAc(1) (N)</option>
      <option value="Hex(4)HexNAc(1) (S)">Hex(4)HexNAc(1) (S)</option>
      <option value="Hex(4)HexNAc(1) (T)">Hex(4)HexNAc(1) (T)</option>
      <option value="Hex(4)HexNAc(2) (N)">Hex(4)HexNAc(2) (N)</option>
      <option value="Hex(4)HexNAc(2)NeuAc(1) (N)">Hex(4)HexNAc(2)NeuAc(1) (N)</option>
      <option value="Hex(4)HexNAc(2)NeuAc(1) (S)">Hex(4)HexNAc(2)NeuAc(1) (S)</option>
      <option value="Hex(4)HexNAc(2)NeuAc(1) (T)">Hex(4)HexNAc(2)NeuAc(1) (T)</option>
      <option value="Hex(4)HexNAc(2)Pent(1) (N)">Hex(4)HexNAc(2)Pent(1) (N)</option>
      <option value="Hex(4)HexNAc(3) (N)">Hex(4)HexNAc(3) (N)</option>
      <option value="Hex(4)HexNAc(3) (S)">Hex(4)HexNAc(3) (S)</option>
      <option value="Hex(4)HexNAc(3) (T)">Hex(4)HexNAc(3) (T)</option>
      <option value="Hex(4)HexNAc(3)NeuAc(1) (N)">Hex(4)HexNAc(3)NeuAc(1) (N)</option>
      <option value="Hex(4)HexNAc(3)NeuAc(1) (S)">Hex(4)HexNAc(3)NeuAc(1) (S)</option>
      <option value="Hex(4)HexNAc(3)NeuAc(1) (T)">Hex(4)HexNAc(3)NeuAc(1) (T)</option>
      <option value="Hex(4)HexNAc(3)NeuAc(2) (N)">Hex(4)HexNAc(3)NeuAc(2) (N)</option>
      <option value="Hex(4)HexNAc(3)NeuGc(1) (N)">Hex(4)HexNAc(3)NeuGc(1) (N)</option>
      <option value="Hex(4)HexNAc(3)Pent(1) (N)">Hex(4)HexNAc(3)Pent(1) (N)</option>
      <option value="Hex(4)HexNAc(4) (N)">Hex(4)HexNAc(4) (N)</option>
      <option value="Hex(4)HexNAc(4) (S)">Hex(4)HexNAc(4) (S)</option>
      <option value="Hex(4)HexNAc(4) (T)">Hex(4)HexNAc(4) (T)</option>
      <option value="Hex(4)HexNAc(4)Me(2)Pent(1) (N)">Hex(4)HexNAc(4)Me(2)Pent(1) (N)</option>
      <option value="Hex(4)HexNAc(4)NeuAc(1) (N)">Hex(4)HexNAc(4)NeuAc(1) (N)</option>
      <option value="Hex(4)HexNAc(4)NeuAc(1) (S)">Hex(4)HexNAc(4)NeuAc(1) (S)</option>
      <option value="Hex(4)HexNAc(4)NeuAc(1) (T)">Hex(4)HexNAc(4)NeuAc(1) (T)</option>
      <option value="Hex(4)HexNAc(4)NeuAc(1)Sulf(2) (S)">Hex(4)HexNAc(4)NeuAc(1)Sulf(2) (S)</option>
      <option value="Hex(4)HexNAc(4)NeuAc(1)Sulf(2) (T)">Hex(4)HexNAc(4)NeuAc(1)Sulf(2) (T)</option>
      <option value="Hex(4)HexNAc(4)NeuAc(1)Sulf(3) (S)">Hex(4)HexNAc(4)NeuAc(1)Sulf(3) (S)</option>
      <option value="Hex(4)HexNAc(4)NeuAc(1)Sulf(3) (T)">Hex(4)HexNAc(4)NeuAc(1)Sulf(3) (T)</option>
      <option value="Hex(4)HexNAc(4)NeuGc(1) (N)">Hex(4)HexNAc(4)NeuGc(1) (N)</option>
      <option value="Hex(4)HexNAc(4)NeuGc(1) (S)">Hex(4)HexNAc(4)NeuGc(1) (S)</option>
      <option value="Hex(4)HexNAc(4)NeuGc(1) (T)">Hex(4)HexNAc(4)NeuGc(1) (T)</option>
      <option value="Hex(4)HexNAc(4)NeuGc(1)Sulf(2) (S)">Hex(4)HexNAc(4)NeuGc(1)Sulf(2) (S)</option>
      <option value="Hex(4)HexNAc(4)NeuGc(1)Sulf(2) (T)">Hex(4)HexNAc(4)NeuGc(1)Sulf(2) (T)</option>
      <option value="Hex(4)HexNAc(4)Pent(1) (N)">Hex(4)HexNAc(4)Pent(1) (N)</option>
      <option value="Hex(4)HexNAc(4)Sulf(1) (N)">Hex(4)HexNAc(4)Sulf(1) (N)</option>
      <option value="Hex(4)HexNAc(4)Sulf(2) (S)">Hex(4)HexNAc(4)Sulf(2) (S)</option>
      <option value="Hex(4)HexNAc(4)Sulf(2) (T)">Hex(4)HexNAc(4)Sulf(2) (T)</option>
      <option value="Hex(4)HexNAc(5) (N)">Hex(4)HexNAc(5) (N)</option>
      <option value="Hex(4)HexNAc(5)NeuAc(1) (N)">Hex(4)HexNAc(5)NeuAc(1) (N)</option>
      <option value="Hex(4)HexNAc(5)Sulf(1) (N)">Hex(4)HexNAc(5)Sulf(1) (N)</option>
      <option value="Hex(4)HexNAc(6) (N)">Hex(4)HexNAc(6) (N)</option>
      <option value="Hex(4)Phos(1) (S)">Hex(4)Phos(1) (S)</option>
      <option value="Hex(4)Phos(1) (T)">Hex(4)Phos(1) (T)</option>
      <option value="Hex(5) (S)">Hex(5) (S)</option>
      <option value="Hex(5) (T)">Hex(5) (T)</option>
      <option value="Hex(5)HexA(1) (S)">Hex(5)HexA(1) (S)</option>
      <option value="Hex(5)HexA(1) (T)">Hex(5)HexA(1) (T)</option>
      <option value="Hex(5)HexNAc(1) (N)">Hex(5)HexNAc(1) (N)</option>
      <option value="Hex(5)HexNAc(1) (S)">Hex(5)HexNAc(1) (S)</option>
      <option value="Hex(5)HexNAc(1) (T)">Hex(5)HexNAc(1) (T)</option>
      <option value="Hex(5)HexNAc(2) (N)">Hex(5)HexNAc(2) (N)</option>
      <option value="Hex(5)HexNAc(2)Phos(1) (N)">Hex(5)HexNAc(2)Phos(1) (N)</option>
      <option value="Hex(5)HexNAc(3) (N)">Hex(5)HexNAc(3) (N)</option>
      <option value="Hex(5)HexNAc(3)Pent(1) (N)">Hex(5)HexNAc(3)Pent(1) (N)</option>
      <option value="Hex(5)HexNAc(4) (N)">Hex(5)HexNAc(4) (N)</option>
      <option value="Hex(5)HexNAc(4) (S)">Hex(5)HexNAc(4) (S)</option>
      <option value="Hex(5)HexNAc(4) (T)">Hex(5)HexNAc(4) (T)</option>
      <option value="Hex(5)HexNAc(4)Me(2)Pent(1) (N)">Hex(5)HexNAc(4)Me(2)Pent(1) (N)</option>
      <option value="Hex(5)HexNAc(4)NeuAc(1) (N)">Hex(5)HexNAc(4)NeuAc(1) (N)</option>
      <option value="Hex(5)HexNAc(4)NeuAc(1)Ac(1) (N)">Hex(5)HexNAc(4)NeuAc(1)Ac(1) (N)</option>
      <option value="Hex(5)HexNAc(4)NeuAc(1)Ac(2) (N)">Hex(5)HexNAc(4)NeuAc(1)Ac(2) (N)</option>
      <option value="Hex(5)HexNAc(4)NeuAc(1)Sulf(1) (N)">Hex(5)HexNAc(4)NeuAc(1)Sulf(1) (N)</option>
      <option value="Hex(5)HexNAc(4)NeuAc(2) (N)">Hex(5)HexNAc(4)NeuAc(2) (N)</option>
      <option value="Hex(5)HexNAc(4)NeuGc(1) (N)">Hex(5)HexNAc(4)NeuGc(1) (N)</option>
      <option value="Hex(5)HexNAc(4)Sulf(1) (N)">Hex(5)HexNAc(4)Sulf(1) (N)</option>
      <option value="Hex(5)HexNAc(5) (N)">Hex(5)HexNAc(5) (N)</option>
      <option value="Hex(5)HexNAc(5) (S)">Hex(5)HexNAc(5) (S)</option>
      <option value="Hex(5)HexNAc(5) (T)">Hex(5)HexNAc(5) (T)</option>
      <option value="Hex(5)Phos(1) (S)">Hex(5)Phos(1) (S)</option>
      <option value="Hex(5)Phos(1) (T)">Hex(5)Phos(1) (T)</option>
      <option value="Hex(5)Phos(3) (S)">Hex(5)Phos(3) (S)</option>
      <option value="Hex(5)Phos(3) (T)">Hex(5)Phos(3) (T)</option>
      <option value="Hex(6)HexNAc(1) (N)">Hex(6)HexNAc(1) (N)</option>
      <option value="Hex(6)HexNAc(2) (N)">Hex(6)HexNAc(2) (N)</option>
      <option value="Hex(6)HexNAc(2)Phos(1) (N)">Hex(6)HexNAc(2)Phos(1) (N)</option>
      <option value="Hex(6)HexNAc(3) (N)">Hex(6)HexNAc(3) (N)</option>
      <option value="Hex(6)HexNAc(3)Phos(1) (N)">Hex(6)HexNAc(3)Phos(1) (N)</option>
      <option value="Hex(6)HexNAc(4) (N)">Hex(6)HexNAc(4) (N)</option>
      <option value="Hex(6)HexNAc(4) (S)">Hex(6)HexNAc(4) (S)</option>
      <option value="Hex(6)HexNAc(4) (T)">Hex(6)HexNAc(4) (T)</option>
      <option value="Hex(6)HexNAc(4)Me(3) (N)">Hex(6)HexNAc(4)Me(3) (N)</option>
      <option value="Hex(6)HexNAc(4)Me(3)Pent(1) (N)">Hex(6)HexNAc(4)Me(3)Pent(1) (N)</option>
      <option value="Hex(6)HexNAc(5) (N)">Hex(6)HexNAc(5) (N)</option>
      <option value="Hex(6)Phos(1) (S)">Hex(6)Phos(1) (S)</option>
      <option value="Hex(6)Phos(1) (T)">Hex(6)Phos(1) (T)</option>
      <option value="Hex(6)Phos(3) (S)">Hex(6)Phos(3) (S)</option>
      <option value="Hex(6)Phos(3) (T)">Hex(6)Phos(3) (T)</option>
      <option value="Hex(7)HexNAc(1) (N)">Hex(7)HexNAc(1) (N)</option>
      <option value="Hex(7)HexNAc(2) (N)">Hex(7)HexNAc(2) (N)</option>
      <option value="Hex(7)HexNAc(2)Phos(1) (N)">Hex(7)HexNAc(2)Phos(1) (N)</option>
      <option value="Hex(7)HexNAc(2)Phos(2) (N)">Hex(7)HexNAc(2)Phos(2) (N)</option>
      <option value="Hex(7)HexNAc(3) (N)">Hex(7)HexNAc(3) (N)</option>
      <option value="Hex(7)HexNAc(3)Phos(1) (N)">Hex(7)HexNAc(3)Phos(1) (N)</option>
      <option value="Hex(7)HexNAc(4) (N)">Hex(7)HexNAc(4) (N)</option>
      <option value="Hex(7)Phos(3) (S)">Hex(7)Phos(3) (S)</option>
      <option value="Hex(7)Phos(3) (T)">Hex(7)Phos(3) (T)</option>
      <option value="Hex(8)HexNAc(1) (N)">Hex(8)HexNAc(1) (N)</option>
      <option value="Hex(8)HexNAc(2) (N)">Hex(8)HexNAc(2) (N)</option>
      <option value="Hex(8)Phos(3) (S)">Hex(8)Phos(3) (S)</option>
      <option value="Hex(8)Phos(3) (T)">Hex(8)Phos(3) (T)</option>
      <option value="Hex(9) (N)">Hex(9) (N)</option>
      <option value="Hex(9)HexNAc(1) (N)">Hex(9)HexNAc(1) (N)</option>
      <option value="Hex(9)HexNAc(2) (N)">Hex(9)HexNAc(2) (N)</option>
      <option value="Hex(9)Phos(3) (S)">Hex(9)Phos(3) (S)</option>
      <option value="Hex(9)Phos(3) (T)">Hex(9)Phos(3) (T)</option>
      <option value="HexA(2)HexNAc(3) (S)">HexA(2)HexNAc(3) (S)</option>
      <option value="HexA(2)HexNAc(3) (T)">HexA(2)HexNAc(3) (T)</option>
      <option value="HexN (K)">HexN (K)</option>
      <option value="HexN (N)">HexN (N)</option>
      <option value="HexN (S)">HexN (S)</option>
      <option value="HexN (T)">HexN (T)</option>
      <option value="HexN (W)">HexN (W)</option>
      <option value="HexNAc (C)">HexNAc (C)</option>
      <option value="HexNAc (N)">HexNAc (N)</option>
      <option value="HexNAc (S)">HexNAc (S)</option>
      <option value="HexNAc (T)">HexNAc (T)</option>
      <option value="HexNAc(1)dHex(1) (N)">HexNAc(1)dHex(1) (N)</option>
      <option value="HexNAc(1)dHex(1) (S)">HexNAc(1)dHex(1) (S)</option>
      <option value="HexNAc(1)dHex(1) (T)">HexNAc(1)dHex(1) (T)</option>
      <option value="HexNAc(1)dHex(2) (N)">HexNAc(1)dHex(2) (N)</option>
      <option value="HexNAc(1)Kdn(2) (S)">HexNAc(1)Kdn(2) (S)</option>
      <option value="HexNAc(1)Kdn(2) (T)">HexNAc(1)Kdn(2) (T)</option>
      <option value="HexNAc(1)NeuAc(1) (S)">HexNAc(1)NeuAc(1) (S)</option>
      <option value="HexNAc(1)NeuAc(1) (T)">HexNAc(1)NeuAc(1) (T)</option>
      <option value="HexNAc(1)NeuGc(1) (S)">HexNAc(1)NeuGc(1) (S)</option>
      <option value="HexNAc(1)NeuGc(1) (T)">HexNAc(1)NeuGc(1) (T)</option>
      <option value="HexNAc(1)NeuGc(2) (S)">HexNAc(1)NeuGc(2) (S)</option>
      <option value="HexNAc(1)NeuGc(2) (T)">HexNAc(1)NeuGc(2) (T)</option>
      <option value="HexNAc(2) (N)">HexNAc(2) (N)</option>
      <option value="HexNAc(2) (S)">HexNAc(2) (S)</option>
      <option value="HexNAc(2) (T)">HexNAc(2) (T)</option>
      <option value="HexNAc(2)dHex(1) (N)">HexNAc(2)dHex(1) (N)</option>
      <option value="HexNAc(2)dHex(2) (N)">HexNAc(2)dHex(2) (N)</option>
      <option value="HexNAc(2)NeuAc(1) (S)">HexNAc(2)NeuAc(1) (S)</option>
      <option value="HexNAc(2)NeuAc(1) (T)">HexNAc(2)NeuAc(1) (T)</option>
      <option value="HexNAc(2)NeuAc(1)Sulf(1) (S)">HexNAc(2)NeuAc(1)Sulf(1) (S)</option>
      <option value="HexNAc(2)NeuAc(1)Sulf(1) (T)">HexNAc(2)NeuAc(1)Sulf(1) (T)</option>
      <option value="HexNAc(2)NeuGc(1) (S)">HexNAc(2)NeuGc(1) (S)</option>
      <option value="HexNAc(2)NeuGc(1) (T)">HexNAc(2)NeuGc(1) (T)</option>
      <option value="HexNAc(2)Sulf(1) (S)">HexNAc(2)Sulf(1) (S)</option>
      <option value="HexNAc(2)Sulf(1) (T)">HexNAc(2)Sulf(1) (T)</option>
      <option value="HexNAc(3) (S)">HexNAc(3) (S)</option>
      <option value="HexNAc(3) (T)">HexNAc(3) (T)</option>
      <option value="HexNAc(3)Sulf(1) (S)">HexNAc(3)Sulf(1) (S)</option>
      <option value="HexNAc(3)Sulf(1) (T)">HexNAc(3)Sulf(1) (T)</option>
      <option value="HexNAc(4) (S)">HexNAc(4) (S)</option>
      <option value="HexNAc(4) (T)">HexNAc(4) (T)</option>
      <option value="HexNAc(5) (S)">HexNAc(5) (S)</option>
      <option value="HexNAc(5) (T)">HexNAc(5) (T)</option>
      <option value="His-&gt;Ala (H)">His-&gt;Ala (H)</option>
      <option value="His-&gt;Arg (H)">His-&gt;Arg (H)</option>
      <option value="His-&gt;Asn (H)">His-&gt;Asn (H)</option>
      <option value="His-&gt;Asp (H)">His-&gt;Asp (H)</option>
      <option value="His-&gt;Cys (H)">His-&gt;Cys (H)</option>
      <option value="His-&gt;Gln (H)">His-&gt;Gln (H)</option>
      <option value="His-&gt;Glu (H)">His-&gt;Glu (H)</option>
      <option value="His-&gt;Gly (H)">His-&gt;Gly (H)</option>
      <option value="His-&gt;Lys (H)">His-&gt;Lys (H)</option>
      <option value="His-&gt;Met (H)">His-&gt;Met (H)</option>
      <option value="His-&gt;Phe (H)">His-&gt;Phe (H)</option>
      <option value="His-&gt;Pro (H)">His-&gt;Pro (H)</option>
      <option value="His-&gt;Ser (H)">His-&gt;Ser (H)</option>
      <option value="His-&gt;Thr (H)">His-&gt;Thr (H)</option>
      <option value="His-&gt;Trp (H)">His-&gt;Trp (H)</option>
      <option value="His-&gt;Tyr (H)">His-&gt;Tyr (H)</option>
      <option value="His-&gt;Val (H)">His-&gt;Val (H)</option>
      <option value="His-&gt;Xle (H)">His-&gt;Xle (H)</option>
      <option value="HMVK (C)">HMVK (C)</option>
      <option value="HN2_mustard (C)">HN2_mustard (C)</option>
      <option value="HN2_mustard (H)">HN2_mustard (H)</option>
      <option value="HN2_mustard (K)">HN2_mustard (K)</option>
      <option value="HN3_mustard (C)">HN3_mustard (C)</option>
      <option value="HN3_mustard (H)">HN3_mustard (H)</option>
      <option value="HN3_mustard (K)">HN3_mustard (K)</option>
      <option value="HNE (A)">HNE (A)</option>
      <option value="HNE (C)">HNE (C)</option>
      <option value="HNE (H)">HNE (H)</option>
      <option value="HNE (K)">HNE (K)</option>
      <option value="HNE (L)">HNE (L)</option>
      <option value="HNE+Delta:H(2) (C)">HNE+Delta:H(2) (C)</option>
      <option value="HNE+Delta:H(2) (H)">HNE+Delta:H(2) (H)</option>
      <option value="HNE+Delta:H(2) (K)">HNE+Delta:H(2) (K)</option>
      <option value="HNE-BAHAH (C)">HNE-BAHAH (C)</option>
      <option value="HNE-BAHAH (H)">HNE-BAHAH (H)</option>
      <option value="HNE-BAHAH (K)">HNE-BAHAH (K)</option>
      <option value="HNE-Delta:H(2)O (C)">HNE-Delta:H(2)O (C)</option>
      <option value="HNE-Delta:H(2)O (H)">HNE-Delta:H(2)O (H)</option>
      <option value="HNE-Delta:H(2)O (K)">HNE-Delta:H(2)O (K)</option>
      <option value="Homocysteic_acid (M)">Homocysteic_acid (M)</option>
      <option value="HPG (R)">HPG (R)</option>
      <option value="Hydroxamic_acid (D)">Hydroxamic_acid (D)</option>
      <option value="Hydroxamic_acid (E)">Hydroxamic_acid (E)</option>
      <option value="Hydroxycinnamyl (C)">Hydroxycinnamyl (C)</option>
      <option value="Hydroxyfarnesyl (C)">Hydroxyfarnesyl (C)</option>
      <option value="Hydroxyheme (E)">Hydroxyheme (E)</option>
      <option value="hydroxyisobutyryl (K)">hydroxyisobutyryl (K)</option>
      <option value="Hydroxymethyl (N)">Hydroxymethyl (N)</option>
      <option value="HydroxymethylOP (K)">HydroxymethylOP (K)</option>
      <option value="Hydroxytrimethyl (K)">Hydroxytrimethyl (K)</option>
      <option value="Hypusine (K)">Hypusine (K)</option>
      <option value="IASD (C)">IASD (C)</option>
      <option value="IBTP (C)">IBTP (C)</option>
      <option value="ICAT-C (C)">ICAT-C (C)</option>
      <option value="ICAT-C:13C(9) (C)">ICAT-C:13C(9) (C)</option>
      <option value="ICAT-D (C)">ICAT-D (C)</option>
      <option value="ICAT-D:2H(8) (C)">ICAT-D:2H(8) (C)</option>
      <option value="ICAT-G (C)">ICAT-G (C)</option>
      <option value="ICAT-G:2H(8) (C)">ICAT-G:2H(8) (C)</option>
      <option value="ICAT-H (C)">ICAT-H (C)</option>
      <option value="ICAT-H:13C(6) (C)">ICAT-H:13C(6) (C)</option>
      <option value="ICDID (C)">ICDID (C)</option>
      <option value="ICDID:2H(6) (C)">ICDID:2H(6) (C)</option>
      <option value="ICPL (K)">ICPL (K)</option>
      <option value="ICPL (N-term)">ICPL (N-term)</option>
      <option value="ICPL (Protein N-term)">ICPL (Protein N-term)</option>
      <option value="ICPL:13C(6) (K)">ICPL:13C(6) (K)</option>
      <option value="ICPL:13C(6) (N-term)">ICPL:13C(6) (N-term)</option>
      <option value="ICPL:13C(6) (Protein N-term)">ICPL:13C(6) (Protein N-term)</option>
      <option value="ICPL:13C(6)2H(4) (K)">ICPL:13C(6)2H(4) (K)</option>
      <option value="ICPL:13C(6)2H(4) (N-term)">ICPL:13C(6)2H(4) (N-term)</option>
      <option value="ICPL:13C(6)2H(4) (Protein N-term)">ICPL:13C(6)2H(4) (Protein N-term)</option>
      <option value="ICPL:2H(4) (K)">ICPL:2H(4) (K)</option>
      <option value="ICPL:2H(4) (N-term)">ICPL:2H(4) (N-term)</option>
      <option value="ICPL:2H(4) (Protein N-term)">ICPL:2H(4) (Protein N-term)</option>
      <option value="IDEnT (C)">IDEnT (C)</option>
      <option value="IED-Biotin (C)">IED-Biotin (C)</option>
      <option value="IGBP (C)">IGBP (C)</option>
      <option value="IGBP:13C(2) (C)">IGBP:13C(2) (C)</option>
      <option value="IMEHex(2)NeuAc(1) (K)">IMEHex(2)NeuAc(1) (K)</option>
      <option value="IMID (K)">IMID (K)</option>
      <option value="IMID:2H(4) (K)">IMID:2H(4) (K)</option>
      <option value="Iminobiotin (K)">Iminobiotin (K)</option>
      <option value="Iminobiotin (N-term)">Iminobiotin (N-term)</option>
      <option value="Iodo (H)">Iodo (H)</option>
      <option value="Iodo (Y)">Iodo (Y)</option>
      <option value="Iodoacetanilide (C)">Iodoacetanilide (C)</option>
      <option value="Iodoacetanilide (K)">Iodoacetanilide (K)</option>
      <option value="Iodoacetanilide (N-term)">Iodoacetanilide (N-term)</option>
      <option value="Iodoacetanilide:13C(6) (C)">Iodoacetanilide:13C(6) (C)</option>
      <option value="Iodoacetanilide:13C(6) (K)">Iodoacetanilide:13C(6) (K)</option>
      <option value="Iodoacetanilide:13C(6) (N-term)">Iodoacetanilide:13C(6) (N-term)</option>
      <option value="iodoTMT (C)">iodoTMT (C)</option>
      <option value="iodoTMT (D)">iodoTMT (D)</option>
      <option value="iodoTMT (E)">iodoTMT (E)</option>
      <option value="iodoTMT (H)">iodoTMT (H)</option>
      <option value="iodoTMT (K)">iodoTMT (K)</option>
      <option value="iodoTMT6plex (C)">iodoTMT6plex (C)</option>
      <option value="iodoTMT6plex (D)">iodoTMT6plex (D)</option>
      <option value="iodoTMT6plex (E)">iodoTMT6plex (E)</option>
      <option value="iodoTMT6plex (H)">iodoTMT6plex (H)</option>
      <option value="iodoTMT6plex (K)">iodoTMT6plex (K)</option>
      <option value="IodoU-AMP (F)">IodoU-AMP (F)</option>
      <option value="IodoU-AMP (W)">IodoU-AMP (W)</option>
      <option value="IodoU-AMP (Y)">IodoU-AMP (Y)</option>
      <option value="ISD_z+2_ion (N-term)">ISD_z+2_ion (N-term)</option>
      <option value="Isopropylphospho (S)">Isopropylphospho (S)</option>
      <option value="Isopropylphospho (T)">Isopropylphospho (T)</option>
      <option value="Isopropylphospho (Y)">Isopropylphospho (Y)</option>
      <option value="iTRAQ4plex (C)">iTRAQ4plex (C)</option>
      <option value="iTRAQ4plex (H)">iTRAQ4plex (H)</option>
      <option value="iTRAQ4plex (K)">iTRAQ4plex (K)</option>
      <option value="iTRAQ4plex (N-term)">iTRAQ4plex (N-term)</option>
      <option value="iTRAQ4plex (Protein N-term)">iTRAQ4plex (Protein N-term)</option>
      <option value="iTRAQ4plex (S)">iTRAQ4plex (S)</option>
      <option value="iTRAQ4plex (T)">iTRAQ4plex (T)</option>
      <option value="iTRAQ4plex (Y)">iTRAQ4plex (Y)</option>
      <option value="iTRAQ4plex114 (C)">iTRAQ4plex114 (C)</option>
      <option value="iTRAQ4plex114 (K)">iTRAQ4plex114 (K)</option>
      <option value="iTRAQ4plex114 (N-term)">iTRAQ4plex114 (N-term)</option>
      <option value="iTRAQ4plex114 (Y)">iTRAQ4plex114 (Y)</option>
      <option value="iTRAQ4plex115 (C)">iTRAQ4plex115 (C)</option>
      <option value="iTRAQ4plex115 (K)">iTRAQ4plex115 (K)</option>
      <option value="iTRAQ4plex115 (N-term)">iTRAQ4plex115 (N-term)</option>
      <option value="iTRAQ4plex115 (Y)">iTRAQ4plex115 (Y)</option>
      <option value="iTRAQ8plex (C)">iTRAQ8plex (C)</option>
      <option value="iTRAQ8plex (H)">iTRAQ8plex (H)</option>
      <option value="iTRAQ8plex (K)">iTRAQ8plex (K)</option>
      <option value="iTRAQ8plex (N-term)">iTRAQ8plex (N-term)</option>
      <option value="iTRAQ8plex (Protein N-term)">iTRAQ8plex (Protein N-term)</option>
      <option value="iTRAQ8plex (S)">iTRAQ8plex (S)</option>
      <option value="iTRAQ8plex (T)">iTRAQ8plex (T)</option>
      <option value="iTRAQ8plex (Y)">iTRAQ8plex (Y)</option>
      <option value="iTRAQ8plex:13C(6)15N(2) (C)">iTRAQ8plex:13C(6)15N(2) (C)</option>
      <option value="iTRAQ8plex:13C(6)15N(2) (K)">iTRAQ8plex:13C(6)15N(2) (K)</option>
      <option value="iTRAQ8plex:13C(6)15N(2) (N-term)">iTRAQ8plex:13C(6)15N(2) (N-term)</option>
      <option value="iTRAQ8plex:13C(6)15N(2) (Y)">iTRAQ8plex:13C(6)15N(2) (Y)</option>
      <option value="Label:13C(1)2H(3) (M)">Label:13C(1)2H(3) (M)</option>
      <option value="Label:13C(1)2H(3)+Oxidation (M)">Label:13C(1)2H(3)+Oxidation (M)</option>
      <option value="Label:13C(2)15N(2) (K)">Label:13C(2)15N(2) (K)</option>
      <option value="Label:13C(3) (A)">Label:13C(3) (A)</option>
      <option value="Label:13C(3)15N(1) (A)">Label:13C(3)15N(1) (A)</option>
      <option value="Label:13C(4) (M)">Label:13C(4) (M)</option>
      <option value="Label:13C(4)+Oxidation (M)">Label:13C(4)+Oxidation (M)</option>
      <option value="Label:13C(4)15N(1) (D)">Label:13C(4)15N(1) (D)</option>
      <option value="Label:13C(4)15N(2)+GG (K)">Label:13C(4)15N(2)+GG (K)</option>
      <option value="Label:13C(5) (P)">Label:13C(5) (P)</option>
      <option value="Label:13C(5)15N(1) (E)">Label:13C(5)15N(1) (E)</option>
      <option value="Label:13C(5)15N(1) (M)">Label:13C(5)15N(1) (M)</option>
      <option value="Label:13C(5)15N(1) (P)">Label:13C(5)15N(1) (P)</option>
      <option value="Label:13C(5)15N(1) (V)">Label:13C(5)15N(1) (V)</option>
      <option value="Label:13C(6) (I)">Label:13C(6) (I)</option>
      <option value="Label:13C(6) (K)">Label:13C(6) (K)</option>
      <option value="Label:13C(6) (L)">Label:13C(6) (L)</option>
      <option value="Label:13C(6) (R)">Label:13C(6) (R)</option>
      <option value="Label:13C(6)+Acetyl (K)">Label:13C(6)+Acetyl (K)</option>
      <option value="Label:13C(6)+Dimethyl (K)">Label:13C(6)+Dimethyl (K)</option>
      <option value="Label:13C(6)+GG (K)">Label:13C(6)+GG (K)</option>
      <option value="Label:13C(6)15N(1) (I)">Label:13C(6)15N(1) (I)</option>
      <option value="Label:13C(6)15N(1) (L)">Label:13C(6)15N(1) (L)</option>
      <option value="Label:13C(6)15N(2) (K)">Label:13C(6)15N(2) (K)</option>
      <option value="Label:13C(6)15N(2)+Acetyl (K)">Label:13C(6)15N(2)+Acetyl (K)</option>
      <option value="Label:13C(6)15N(2)+Dimethyl (K)">Label:13C(6)15N(2)+Dimethyl (K)</option>
      <option value="Label:13C(6)15N(2)+GG (K)">Label:13C(6)15N(2)+GG (K)</option>
      <option value="Label:13C(6)15N(4) (R)">Label:13C(6)15N(4) (R)</option>
      <option value="Label:13C(6)15N(4)+Dimethyl (R)">Label:13C(6)15N(4)+Dimethyl (R)</option>
      <option value="Label:13C(6)15N(4)+Dimethyl:2H(6)13C(2) (R)">Label:13C(6)15N(4)+Dimethyl:2H(6)13C(2) (R)</option>
      <option value="Label:13C(6)15N(4)+Methyl (R)">Label:13C(6)15N(4)+Methyl (R)</option>
      <option value="Label:13C(6)15N(4)+Methyl:2H(3)13C(1) (R)">Label:13C(6)15N(4)+Methyl:2H(3)13C(1) (R)</option>
      <option value="Label:13C(9) (F)">Label:13C(9) (F)</option>
      <option value="Label:13C(9) (Y)">Label:13C(9) (Y)</option>
      <option value="Label:13C(9)+Phospho (Y)">Label:13C(9)+Phospho (Y)</option>
      <option value="Label:13C(9)15N(1) (F)">Label:13C(9)15N(1) (F)</option>
      <option value="Label:15N(1) (A)">Label:15N(1) (A)</option>
      <option value="Label:15N(1) (C)">Label:15N(1) (C)</option>
      <option value="Label:15N(1) (D)">Label:15N(1) (D)</option>
      <option value="Label:15N(1) (E)">Label:15N(1) (E)</option>
      <option value="Label:15N(1) (F)">Label:15N(1) (F)</option>
      <option value="Label:15N(1) (G)">Label:15N(1) (G)</option>
      <option value="Label:15N(1) (I)">Label:15N(1) (I)</option>
      <option value="Label:15N(1) (L)">Label:15N(1) (L)</option>
      <option value="Label:15N(1) (M)">Label:15N(1) (M)</option>
      <option value="Label:15N(1) (P)">Label:15N(1) (P)</option>
      <option value="Label:15N(1) (S)">Label:15N(1) (S)</option>
      <option value="Label:15N(1) (T)">Label:15N(1) (T)</option>
      <option value="Label:15N(1) (V)">Label:15N(1) (V)</option>
      <option value="Label:15N(1) (Y)">Label:15N(1) (Y)</option>
      <option value="Label:15N(2) (K)">Label:15N(2) (K)</option>
      <option value="Label:15N(2) (N)">Label:15N(2) (N)</option>
      <option value="Label:15N(2) (Q)">Label:15N(2) (Q)</option>
      <option value="Label:15N(2) (W)">Label:15N(2) (W)</option>
      <option value="Label:15N(2)2H(9) (K)">Label:15N(2)2H(9) (K)</option>
      <option value="Label:15N(3) (H)">Label:15N(3) (H)</option>
      <option value="Label:15N(4) (R)">Label:15N(4) (R)</option>
      <option value="Label:18O(1) (C-term)">Label:18O(1) (C-term)</option>
      <option value="Label:18O(1) (S)">Label:18O(1) (S)</option>
      <option value="Label:18O(1) (T)">Label:18O(1) (T)</option>
      <option value="Label:18O(1) (Y)">Label:18O(1) (Y)</option>
      <option value="Label:18O(2) (C-term)">Label:18O(2) (C-term)</option>
      <option value="Label:2H(10) (L)">Label:2H(10) (L)</option>
      <option value="Label:2H(3) (L)">Label:2H(3) (L)</option>
      <option value="Label:2H(3) (M)">Label:2H(3) (M)</option>
      <option value="Label:2H(3)+Oxidation (M)">Label:2H(3)+Oxidation (M)</option>
      <option value="Label:2H(4) (A)">Label:2H(4) (A)</option>
      <option value="Label:2H(4) (F)">Label:2H(4) (F)</option>
      <option value="Label:2H(4) (K)">Label:2H(4) (K)</option>
      <option value="Label:2H(4) (U)">Label:2H(4) (U)</option>
      <option value="Label:2H(4) (Y)">Label:2H(4) (Y)</option>
      <option value="Label:2H(4)+Acetyl (K)">Label:2H(4)+Acetyl (K)</option>
      <option value="Label:2H(4)+GG (K)">Label:2H(4)+GG (K)</option>
      <option value="Label:2H(4)13C(1) (R)">Label:2H(4)13C(1) (R)</option>
      <option value="Label:2H(6)15N(1) (P)">Label:2H(6)15N(1) (P)</option>
      <option value="Label:2H(7)15N(4) (R)">Label:2H(7)15N(4) (R)</option>
      <option value="Label:2H(9)13C(6)15N(2) (K)">Label:2H(9)13C(6)15N(2) (K)</option>
      <option value="lapachenole (C)">lapachenole (C)</option>
      <option value="Leu-&gt;MetOx (L)">Leu-&gt;MetOx (L)</option>
      <option value="LG-anhydrolactam (K)">LG-anhydrolactam (K)</option>
      <option value="LG-anhydrolactam (N-term)">LG-anhydrolactam (N-term)</option>
      <option value="LG-anhyropyrrole (K)">LG-anhyropyrrole (K)</option>
      <option value="LG-anhyropyrrole (N-term)">LG-anhyropyrrole (N-term)</option>
      <option value="LG-Hlactam-K (K)">LG-Hlactam-K (K)</option>
      <option value="LG-Hlactam-K (Protein N-term)">LG-Hlactam-K (Protein N-term)</option>
      <option value="LG-Hlactam-R (R)">LG-Hlactam-R (R)</option>
      <option value="LG-lactam-K (K)">LG-lactam-K (K)</option>
      <option value="LG-lactam-K (Protein N-term)">LG-lactam-K (Protein N-term)</option>
      <option value="LG-lactam-R (R)">LG-lactam-R (R)</option>
      <option value="LG-pyrrole (K)">LG-pyrrole (K)</option>
      <option value="LG-pyrrole (N-term)">LG-pyrrole (N-term)</option>
      <option value="Lipoyl (K)">Lipoyl (K)</option>
      <option value="LRGG (K)">LRGG (K)</option>
      <option value="LRGG+dimethyl (K)">LRGG+dimethyl (K)</option>
      <option value="LRGG+methyl (K)">LRGG+methyl (K)</option>
      <option value="Lys (N-term)">Lys (N-term)</option>
      <option value="Lys-&gt;Ala (K)">Lys-&gt;Ala (K)</option>
      <option value="Lys-&gt;Allysine (K)">Lys-&gt;Allysine (K)</option>
      <option value="Lys-&gt;AminoadipicAcid (K)">Lys-&gt;AminoadipicAcid (K)</option>
      <option value="Lys-&gt;Arg (K)">Lys-&gt;Arg (K)</option>
      <option value="Lys-&gt;Asn (K)">Lys-&gt;Asn (K)</option>
      <option value="Lys-&gt;Asp (K)">Lys-&gt;Asp (K)</option>
      <option value="Lys-&gt;CamCys (K)">Lys-&gt;CamCys (K)</option>
      <option value="Lys-&gt;Cys (K)">Lys-&gt;Cys (K)</option>
      <option value="Lys-&gt;Gln (K)">Lys-&gt;Gln (K)</option>
      <option value="Lys-&gt;Glu (K)">Lys-&gt;Glu (K)</option>
      <option value="Lys-&gt;Gly (K)">Lys-&gt;Gly (K)</option>
      <option value="Lys-&gt;His (K)">Lys-&gt;His (K)</option>
      <option value="Lys-&gt;Met (K)">Lys-&gt;Met (K)</option>
      <option value="Lys-&gt;MetOx (K)">Lys-&gt;MetOx (K)</option>
      <option value="Lys-&gt;Phe (K)">Lys-&gt;Phe (K)</option>
      <option value="Lys-&gt;Pro (K)">Lys-&gt;Pro (K)</option>
      <option value="Lys-&gt;Ser (K)">Lys-&gt;Ser (K)</option>
      <option value="Lys-&gt;Thr (K)">Lys-&gt;Thr (K)</option>
      <option value="Lys-&gt;Trp (K)">Lys-&gt;Trp (K)</option>
      <option value="Lys-&gt;Tyr (K)">Lys-&gt;Tyr (K)</option>
      <option value="Lys-&gt;Val (K)">Lys-&gt;Val (K)</option>
      <option value="Lys-&gt;Xle (K)">Lys-&gt;Xle (K)</option>
      <option value="Lys-loss (Protein C-term K)">Lys-loss (Protein C-term K)</option>
      <option value="Lysbiotinhydrazide (K)">Lysbiotinhydrazide (K)</option>
      <option value="maleimide (C)">maleimide (C)</option>
      <option value="maleimide (K)">maleimide (K)</option>
      <option value="Maleimide-PEO2-Biotin (C)">Maleimide-PEO2-Biotin (C)</option>
      <option value="maleimide3 (C)">maleimide3 (C)</option>
      <option value="maleimide3 (K)">maleimide3 (K)</option>
      <option value="maleimide5 (C)">maleimide5 (C)</option>
      <option value="maleimide5 (K)">maleimide5 (K)</option>
      <option value="Malonyl (C)">Malonyl (C)</option>
      <option value="Malonyl (K)">Malonyl (K)</option>
      <option value="Malonyl (S)">Malonyl (S)</option>
      <option value="MDCC (C)">MDCC (C)</option>
      <option value="MeMePhosphorothioate (S)">MeMePhosphorothioate (S)</option>
      <option value="Menadione (C)">Menadione (C)</option>
      <option value="Menadione (K)">Menadione (K)</option>
      <option value="Menadione-HQ (C)">Menadione-HQ (C)</option>
      <option value="Menadione-HQ (K)">Menadione-HQ (K)</option>
      <option value="MercaptoEthanol (S)">MercaptoEthanol (S)</option>
      <option value="MercaptoEthanol (T)">MercaptoEthanol (T)</option>
      <option value="MesitylOxide (H)">MesitylOxide (H)</option>
      <option value="MesitylOxide (K)">MesitylOxide (K)</option>
      <option value="MesitylOxide (Protein N-term)">MesitylOxide (Protein N-term)</option>
      <option value="Met-&gt;Aha (M)">Met-&gt;Aha (M)</option>
      <option value="Met-&gt;Ala (M)">Met-&gt;Ala (M)</option>
      <option value="Met-&gt;Arg (M)">Met-&gt;Arg (M)</option>
      <option value="Met-&gt;Asn (M)">Met-&gt;Asn (M)</option>
      <option value="Met-&gt;Asp (M)">Met-&gt;Asp (M)</option>
      <option value="Met-&gt;AspSA (M)">Met-&gt;AspSA (M)</option>
      <option value="Met-&gt;Cys (M)">Met-&gt;Cys (M)</option>
      <option value="Met-&gt;Gln (M)">Met-&gt;Gln (M)</option>
      <option value="Met-&gt;Glu (M)">Met-&gt;Glu (M)</option>
      <option value="Met-&gt;Gly (M)">Met-&gt;Gly (M)</option>
      <option value="Met-&gt;His (M)">Met-&gt;His (M)</option>
      <option value="Met-&gt;Hpg (M)">Met-&gt;Hpg (M)</option>
      <option value="Met-&gt;Hse (C-term M)">Met-&gt;Hse (C-term M)</option>
      <option value="Met-&gt;Hsl (C-term M)">Met-&gt;Hsl (C-term M)</option>
      <option value="Met-&gt;Lys (M)">Met-&gt;Lys (M)</option>
      <option value="Met-&gt;Phe (M)">Met-&gt;Phe (M)</option>
      <option value="Met-&gt;Pro (M)">Met-&gt;Pro (M)</option>
      <option value="Met-&gt;Ser (M)">Met-&gt;Ser (M)</option>
      <option value="Met-&gt;Thr (M)">Met-&gt;Thr (M)</option>
      <option value="Met-&gt;Trp (M)">Met-&gt;Trp (M)</option>
      <option value="Met-&gt;Tyr (M)">Met-&gt;Tyr (M)</option>
      <option value="Met-&gt;Val (M)">Met-&gt;Val (M)</option>
      <option value="Met-&gt;Xle (M)">Met-&gt;Xle (M)</option>
      <option value="Met-loss (Protein N-term M)">Met-loss (Protein N-term M)</option>
      <option value="Met-loss+Acetyl (Protein N-term M)">Met-loss+Acetyl (Protein N-term M)</option>
      <option value="Methamidophos-O (C)">Methamidophos-O (C)</option>
      <option value="Methamidophos-O (H)">Methamidophos-O (H)</option>
      <option value="Methamidophos-O (K)">Methamidophos-O (K)</option>
      <option value="Methamidophos-O (S)">Methamidophos-O (S)</option>
      <option value="Methamidophos-O (T)">Methamidophos-O (T)</option>
      <option value="Methamidophos-O (Y)">Methamidophos-O (Y)</option>
      <option value="Methamidophos-S (C)">Methamidophos-S (C)</option>
      <option value="Methamidophos-S (H)">Methamidophos-S (H)</option>
      <option value="Methamidophos-S (K)">Methamidophos-S (K)</option>
      <option value="Methamidophos-S (S)">Methamidophos-S (S)</option>
      <option value="Methamidophos-S (T)">Methamidophos-S (T)</option>
      <option value="Methamidophos-S (Y)">Methamidophos-S (Y)</option>
      <option value="Methyl (C)">Methyl (C)</option>
      <option value="Methyl (C-term)">Methyl (C-term)</option>
      <option value="Methyl (D)">Methyl (D)</option>
      <option value="Methyl (E)">Methyl (E)</option>
      <option value="Methyl (H)">Methyl (H)</option>
      <option value="Methyl (I)">Methyl (I)</option>
      <option value="Methyl (K)">Methyl (K)</option>
      <option value="Methyl (L)">Methyl (L)</option>
      <option value="Methyl (N)">Methyl (N)</option>
      <option value="Methyl (N-term)">Methyl (N-term)</option>
      <option value="Methyl (Protein N-term)">Methyl (Protein N-term)</option>
      <option value="Methyl (Q)">Methyl (Q)</option>
      <option value="Methyl (R)">Methyl (R)</option>
      <option value="Methyl (S)">Methyl (S)</option>
      <option value="Methyl (T)">Methyl (T)</option>
      <option value="Methyl+Acetyl:2H(3) (K)">Methyl+Acetyl:2H(3) (K)</option>
      <option value="Methyl+Deamidated (N)">Methyl+Deamidated (N)</option>
      <option value="Methyl+Deamidated (Q)">Methyl+Deamidated (Q)</option>
      <option value="Methyl-PEO12-Maleimide (C)">Methyl-PEO12-Maleimide (C)</option>
      <option value="Methyl:2H(2) (K)">Methyl:2H(2) (K)</option>
      <option value="Methyl:2H(2) (N-term)">Methyl:2H(2) (N-term)</option>
      <option value="Methyl:2H(2)13C (C)">Methyl:2H(2)13C (C)</option>
      <option value="Methyl:2H(2)13C (C-term)">Methyl:2H(2)13C (C-term)</option>
      <option value="Methyl:2H(2)13C (D)">Methyl:2H(2)13C (D)</option>
      <option value="Methyl:2H(2)13C (E)">Methyl:2H(2)13C (E)</option>
      <option value="Methyl:2H(2)13C (H)">Methyl:2H(2)13C (H)</option>
      <option value="Methyl:2H(2)13C (I)">Methyl:2H(2)13C (I)</option>
      <option value="Methyl:2H(2)13C (K)">Methyl:2H(2)13C (K)</option>
      <option value="Methyl:2H(2)13C (L)">Methyl:2H(2)13C (L)</option>
      <option value="Methyl:2H(2)13C (N)">Methyl:2H(2)13C (N)</option>
      <option value="Methyl:2H(2)13C (N-term)">Methyl:2H(2)13C (N-term)</option>
      <option value="Methyl:2H(2)13C (Protein N-term)">Methyl:2H(2)13C (Protein N-term)</option>
      <option value="Methyl:2H(2)13C (Q)">Methyl:2H(2)13C (Q)</option>
      <option value="Methyl:2H(2)13C (R)">Methyl:2H(2)13C (R)</option>
      <option value="Methyl:2H(2)13C (S)">Methyl:2H(2)13C (S)</option>
      <option value="Methyl:2H(2)13C (T)">Methyl:2H(2)13C (T)</option>
      <option value="Methyl:2H(3) (D)">Methyl:2H(3) (D)</option>
      <option value="Methyl:2H(3) (E)">Methyl:2H(3) (E)</option>
      <option value="Methyl:2H(3) (K)">Methyl:2H(3) (K)</option>
      <option value="Methyl:2H(3) (R)">Methyl:2H(3) (R)</option>
      <option value="Methyl:2H(3) (X)">Methyl:2H(3) (X)</option>
      <option value="Methyl:2H(3)+Acetyl:2H(3) (K)">Methyl:2H(3)+Acetyl:2H(3) (K)</option>
      <option value="Methyl:2H(3)13C(1) (K)">Methyl:2H(3)13C(1) (K)</option>
      <option value="Methyl:2H(3)13C(1) (N-term)">Methyl:2H(3)13C(1) (N-term)</option>
      <option value="Methyl:2H(3)13C(1) (R)">Methyl:2H(3)13C(1) (R)</option>
      <option value="Methylamine (S)">Methylamine (S)</option>
      <option value="Methylamine (T)">Methylamine (T)</option>
      <option value="Methylmalonylation (S)">Methylmalonylation (S)</option>
      <option value="methylol (K)">methylol (K)</option>
      <option value="methylol (W)">methylol (W)</option>
      <option value="methylol (Y)">methylol (Y)</option>
      <option value="Methylphosphonate (S)">Methylphosphonate (S)</option>
      <option value="Methylphosphonate (T)">Methylphosphonate (T)</option>
      <option value="Methylphosphonate (Y)">Methylphosphonate (Y)</option>
      <option value="Methylpyrroline (K)">Methylpyrroline (K)</option>
      <option value="methylsulfonylethyl (C)">methylsulfonylethyl (C)</option>
      <option value="methylsulfonylethyl (H)">methylsulfonylethyl (H)</option>
      <option value="methylsulfonylethyl (K)">methylsulfonylethyl (K)</option>
      <option value="Methylthio (C)">Methylthio (C)</option>
      <option value="Methylthio (D)">Methylthio (D)</option>
      <option value="Methylthio (K)">Methylthio (K)</option>
      <option value="Methylthio (N)">Methylthio (N)</option>
      <option value="Methylthio (N-term)">Methylthio (N-term)</option>
      <option value="MG-H1 (R)">MG-H1 (R)</option>
      <option value="Microcin (Protein C-term)">Microcin (Protein C-term)</option>
      <option value="MicrocinC7 (Protein C-term)">MicrocinC7 (Protein C-term)</option>
      <option value="MM-diphenylpentanone (C)">MM-diphenylpentanone (C)</option>
      <option value="Molybdopterin (C)">Molybdopterin (C)</option>
      <option value="MolybdopterinGD (C)">MolybdopterinGD (C)</option>
      <option value="MolybdopterinGD (D)">MolybdopterinGD (D)</option>
      <option value="MolybdopterinGD (U)">MolybdopterinGD (U)</option>
      <option value="MolybdopterinGD+Delta:S(-1)Se(1) (C)">MolybdopterinGD+Delta:S(-1)Se(1) (C)</option>
      <option value="monomethylphosphothione (C)">monomethylphosphothione (C)</option>
      <option value="monomethylphosphothione (H)">monomethylphosphothione (H)</option>
      <option value="monomethylphosphothione (K)">monomethylphosphothione (K)</option>
      <option value="monomethylphosphothione (S)">monomethylphosphothione (S)</option>
      <option value="monomethylphosphothione (T)">monomethylphosphothione (T)</option>
      <option value="monomethylphosphothione (Y)">monomethylphosphothione (Y)</option>
      <option value="mTRAQ (H)">mTRAQ (H)</option>
      <option value="mTRAQ (K)">mTRAQ (K)</option>
      <option value="mTRAQ (N-term)">mTRAQ (N-term)</option>
      <option value="mTRAQ (S)">mTRAQ (S)</option>
      <option value="mTRAQ (T)">mTRAQ (T)</option>
      <option value="mTRAQ (Y)">mTRAQ (Y)</option>
      <option value="mTRAQ:13C(3)15N(1) (H)">mTRAQ:13C(3)15N(1) (H)</option>
      <option value="mTRAQ:13C(3)15N(1) (K)">mTRAQ:13C(3)15N(1) (K)</option>
      <option value="mTRAQ:13C(3)15N(1) (N-term)">mTRAQ:13C(3)15N(1) (N-term)</option>
      <option value="mTRAQ:13C(3)15N(1) (S)">mTRAQ:13C(3)15N(1) (S)</option>
      <option value="mTRAQ:13C(3)15N(1) (T)">mTRAQ:13C(3)15N(1) (T)</option>
      <option value="mTRAQ:13C(3)15N(1) (Y)">mTRAQ:13C(3)15N(1) (Y)</option>
      <option value="mTRAQ:13C(6)15N(2) (H)">mTRAQ:13C(6)15N(2) (H)</option>
      <option value="mTRAQ:13C(6)15N(2) (K)">mTRAQ:13C(6)15N(2) (K)</option>
      <option value="mTRAQ:13C(6)15N(2) (N-term)">mTRAQ:13C(6)15N(2) (N-term)</option>
      <option value="mTRAQ:13C(6)15N(2) (S)">mTRAQ:13C(6)15N(2) (S)</option>
      <option value="mTRAQ:13C(6)15N(2) (T)">mTRAQ:13C(6)15N(2) (T)</option>
      <option value="mTRAQ:13C(6)15N(2) (Y)">mTRAQ:13C(6)15N(2) (Y)</option>
      <option value="MTSL (C)">MTSL (C)</option>
      <option value="MurNAc (A)">MurNAc (A)</option>
      <option value="Myristoleyl (Protein N-term G)">Myristoleyl (Protein N-term G)</option>
      <option value="Myristoyl (C)">Myristoyl (C)</option>
      <option value="Myristoyl (K)">Myristoyl (K)</option>
      <option value="Myristoyl (N-term G)">Myristoyl (N-term G)</option>
      <option value="Myristoyl+Delta:H(-4) (Protein N-term G)">Myristoyl+Delta:H(-4) (Protein N-term G)</option>
      <option value="N-dimethylphosphate (S)">N-dimethylphosphate (S)</option>
      <option value="NA-LNO2 (C)">NA-LNO2 (C)</option>
      <option value="NA-LNO2 (H)">NA-LNO2 (H)</option>
      <option value="NA-OA-NO2 (C)">NA-OA-NO2 (C)</option>
      <option value="NA-OA-NO2 (H)">NA-OA-NO2 (H)</option>
      <option value="NBS (W)">NBS (W)</option>
      <option value="NBS:13C(6) (W)">NBS:13C(6) (W)</option>
      <option value="NDA (K)">NDA (K)</option>
      <option value="NDA (N-term)">NDA (N-term)</option>
      <option value="NEIAA (C)">NEIAA (C)</option>
      <option value="NEIAA (Y)">NEIAA (Y)</option>
      <option value="NEIAA:2H(5) (C)">NEIAA:2H(5) (C)</option>
      <option value="NEIAA:2H(5) (Y)">NEIAA:2H(5) (Y)</option>
      <option value="NEM:2H(5) (C)">NEM:2H(5) (C)</option>
      <option value="NEM:2H(5)+H2O (C)">NEM:2H(5)+H2O (C)</option>
      <option value="NEMsulfur (C)">NEMsulfur (C)</option>
      <option value="NEMsulfurWater (C)">NEMsulfurWater (C)</option>
      <option value="Nethylmaleimide (C)">Nethylmaleimide (C)</option>
      <option value="Nethylmaleimide+water (C)">Nethylmaleimide+water (C)</option>
      <option value="Nethylmaleimide+water (K)">Nethylmaleimide+water (K)</option>
      <option value="NeuAc (N)">NeuAc (N)</option>
      <option value="NeuAc (S)">NeuAc (S)</option>
      <option value="NeuAc (T)">NeuAc (T)</option>
      <option value="NeuGc (N)">NeuGc (N)</option>
      <option value="NeuGc (S)">NeuGc (S)</option>
      <option value="NeuGc (T)">NeuGc (T)</option>
      <option value="NHS-fluorescein (K)">NHS-fluorescein (K)</option>
      <option value="NHS-LC-Biotin (K)">NHS-LC-Biotin (K)</option>
      <option value="NHS-LC-Biotin (N-term)">NHS-LC-Biotin (N-term)</option>
      <option value="NIC (K)">NIC (K)</option>
      <option value="NIC (N-term)">NIC (N-term)</option>
      <option value="NIPCAM (C)">NIPCAM (C)</option>
      <option value="Nitrene (Y)">Nitrene (Y)</option>
      <option value="Nitro (F)">Nitro (F)</option>
      <option value="Nitro (W)">Nitro (W)</option>
      <option value="Nitro (Y)">Nitro (Y)</option>
      <option value="Nitrosyl (C)">Nitrosyl (C)</option>
      <option value="Nitrosyl (Y)">Nitrosyl (Y)</option>
      <option value="Nmethylmaleimide (C)">Nmethylmaleimide (C)</option>
      <option value="Nmethylmaleimide (K)">Nmethylmaleimide (K)</option>
      <option value="Nmethylmaleimide+water (C)">Nmethylmaleimide+water (C)</option>
      <option value="NO_SMX_SEMD (C)">NO_SMX_SEMD (C)</option>
      <option value="NO_SMX_SIMD (C)">NO_SMX_SIMD (C)</option>
      <option value="NO_SMX_SMCT (C)">NO_SMX_SMCT (C)</option>
      <option value="NP40 (N-term)">NP40 (N-term)</option>
      <option value="NQIGG (K)">NQIGG (K)</option>
      <option value="O-Dimethylphosphate (S)">O-Dimethylphosphate (S)</option>
      <option value="O-Dimethylphosphate (T)">O-Dimethylphosphate (T)</option>
      <option value="O-Dimethylphosphate (Y)">O-Dimethylphosphate (Y)</option>
      <option value="O-Et-N-diMePhospho (S)">O-Et-N-diMePhospho (S)</option>
      <option value="O-Isopropylmethylphosphonate (S)">O-Isopropylmethylphosphonate (S)</option>
      <option value="O-Isopropylmethylphosphonate (T)">O-Isopropylmethylphosphonate (T)</option>
      <option value="O-Isopropylmethylphosphonate (Y)">O-Isopropylmethylphosphonate (Y)</option>
      <option value="O-Methylphosphate (S)">O-Methylphosphate (S)</option>
      <option value="O-Methylphosphate (T)">O-Methylphosphate (T)</option>
      <option value="O-Methylphosphate (Y)">O-Methylphosphate (Y)</option>
      <option value="O-pinacolylmethylphosphonate (H)">O-pinacolylmethylphosphonate (H)</option>
      <option value="O-pinacolylmethylphosphonate (K)">O-pinacolylmethylphosphonate (K)</option>
      <option value="O-pinacolylmethylphosphonate (S)">O-pinacolylmethylphosphonate (S)</option>
      <option value="O-pinacolylmethylphosphonate (T)">O-pinacolylmethylphosphonate (T)</option>
      <option value="O-pinacolylmethylphosphonate (Y)">O-pinacolylmethylphosphonate (Y)</option>
      <option value="Octanoyl (C)">Octanoyl (C)</option>
      <option value="Octanoyl (S)">Octanoyl (S)</option>
      <option value="Octanoyl (T)">Octanoyl (T)</option>
      <option value="OxArgBiotin (R)">OxArgBiotin (R)</option>
      <option value="OxArgBiotinRed (R)">OxArgBiotinRed (R)</option>
      <option value="Oxidation (C)">Oxidation (C)</option>
      <option value="Oxidation (C-term G)">Oxidation (C-term G)</option>
      <option value="Oxidation (D)">Oxidation (D)</option>
      <option value="Oxidation (E)">Oxidation (E)</option>
      <option value="Oxidation (F)">Oxidation (F)</option>
      <option value="Oxidation (H)">Oxidation (H)</option>
      <option value="Oxidation (I)">Oxidation (I)</option>
      <option value="Oxidation (K)">Oxidation (K)</option>
      <option value="Oxidation (L)">Oxidation (L)</option>
      <option value="Oxidation (M)" selected="true">Oxidation (M)</option>
      <option value="Oxidation (N)">Oxidation (N)</option>
      <option value="Oxidation (P)">Oxidation (P)</option>
      <option value="Oxidation (Q)">Oxidation (Q)</option>
      <option value="Oxidation (R)">Oxidation (R)</option>
      <option value="Oxidation (S)">Oxidation (S)</option>
      <option value="Oxidation (T)">Oxidation (T)</option>
      <option value="Oxidation (U)">Oxidation (U)</option>
      <option value="Oxidation (V)">Oxidation (V)</option>
      <option value="Oxidation (W)">Oxidation (W)</option>
      <option value="Oxidation (Y)">Oxidation (Y)</option>
      <option value="Oxidation+NEM (C)">Oxidation+NEM (C)</option>
      <option value="OxLysBiotin (K)">OxLysBiotin (K)</option>
      <option value="OxLysBiotinRed (K)">OxLysBiotinRed (K)</option>
      <option value="OxProBiotin (P)">OxProBiotin (P)</option>
      <option value="OxProBiotinRed (P)">OxProBiotinRed (P)</option>
      <option value="Palmitoleyl (C)">Palmitoleyl (C)</option>
      <option value="Palmitoleyl (S)">Palmitoleyl (S)</option>
      <option value="Palmitoleyl (T)">Palmitoleyl (T)</option>
      <option value="Palmitoyl (C)">Palmitoyl (C)</option>
      <option value="Palmitoyl (K)">Palmitoyl (K)</option>
      <option value="Palmitoyl (Protein N-term)">Palmitoyl (Protein N-term)</option>
      <option value="Palmitoyl (S)">Palmitoyl (S)</option>
      <option value="Palmitoyl (T)">Palmitoyl (T)</option>
      <option value="PEITC (C)">PEITC (C)</option>
      <option value="PEITC (K)">PEITC (K)</option>
      <option value="PEITC (N-term)">PEITC (N-term)</option>
      <option value="Pent(1)HexNAc(1) (S)">Pent(1)HexNAc(1) (S)</option>
      <option value="Pent(1)HexNAc(1) (T)">Pent(1)HexNAc(1) (T)</option>
      <option value="Pent(2) (S)">Pent(2) (S)</option>
      <option value="Pent(2) (T)">Pent(2) (T)</option>
      <option value="Pentose (S)">Pentose (S)</option>
      <option value="Pentose (T)">Pentose (T)</option>
      <option value="Pentylamine (Q)">Pentylamine (Q)</option>
      <option value="PEO-Iodoacetyl-LC-Biotin (C)">PEO-Iodoacetyl-LC-Biotin (C)</option>
      <option value="PET (S)">PET (S)</option>
      <option value="PET (T)">PET (T)</option>
      <option value="Phe-&gt;Ala (F)">Phe-&gt;Ala (F)</option>
      <option value="Phe-&gt;Arg (F)">Phe-&gt;Arg (F)</option>
      <option value="Phe-&gt;Asn (F)">Phe-&gt;Asn (F)</option>
      <option value="Phe-&gt;Asp (F)">Phe-&gt;Asp (F)</option>
      <option value="Phe-&gt;CamCys (F)">Phe-&gt;CamCys (F)</option>
      <option value="Phe-&gt;Cys (F)">Phe-&gt;Cys (F)</option>
      <option value="Phe-&gt;Gln (F)">Phe-&gt;Gln (F)</option>
      <option value="Phe-&gt;Glu (F)">Phe-&gt;Glu (F)</option>
      <option value="Phe-&gt;Gly (F)">Phe-&gt;Gly (F)</option>
      <option value="Phe-&gt;His (F)">Phe-&gt;His (F)</option>
      <option value="Phe-&gt;Lys (F)">Phe-&gt;Lys (F)</option>
      <option value="Phe-&gt;Met (F)">Phe-&gt;Met (F)</option>
      <option value="Phe-&gt;Pro (F)">Phe-&gt;Pro (F)</option>
      <option value="Phe-&gt;Ser (F)">Phe-&gt;Ser (F)</option>
      <option value="Phe-&gt;Thr (F)">Phe-&gt;Thr (F)</option>
      <option value="Phe-&gt;Trp (F)">Phe-&gt;Trp (F)</option>
      <option value="Phe-&gt;Tyr (F)">Phe-&gt;Tyr (F)</option>
      <option value="Phe-&gt;Val (F)">Phe-&gt;Val (F)</option>
      <option value="Phe-&gt;Xle (F)">Phe-&gt;Xle (F)</option>
      <option value="Phenylisocyanate (N-term)">Phenylisocyanate (N-term)</option>
      <option value="Phenylisocyanate:2H(5) (N-term)">Phenylisocyanate:2H(5) (N-term)</option>
      <option value="phenylsulfonylethyl (C)">phenylsulfonylethyl (C)</option>
      <option value="Phospho (C)">Phospho (C)</option>
      <option value="Phospho (D)">Phospho (D)</option>
      <option value="Phospho (E)">Phospho (E)</option>
      <option value="Phospho (H)">Phospho (H)</option>
      <option value="Phospho (K)">Phospho (K)</option>
      <option value="Phospho (R)">Phospho (R)</option>
      <option value="Phospho (S)">Phospho (S)</option>
      <option value="Phospho (T)">Phospho (T)</option>
      <option value="Phospho (Y)">Phospho (Y)</option>
      <option value="Phosphoadenosine (H)">Phosphoadenosine (H)</option>
      <option value="Phosphoadenosine (K)">Phosphoadenosine (K)</option>
      <option value="Phosphoadenosine (T)">Phosphoadenosine (T)</option>
      <option value="Phosphoadenosine (Y)">Phosphoadenosine (Y)</option>
      <option value="PhosphoCytidine (S)">PhosphoCytidine (S)</option>
      <option value="PhosphoCytidine (T)">PhosphoCytidine (T)</option>
      <option value="PhosphoCytidine (Y)">PhosphoCytidine (Y)</option>
      <option value="Phosphogluconoylation (K)">Phosphogluconoylation (K)</option>
      <option value="Phosphogluconoylation (N-term)">Phosphogluconoylation (N-term)</option>
      <option value="Phosphoguanosine (H)">Phosphoguanosine (H)</option>
      <option value="Phosphoguanosine (K)">Phosphoguanosine (K)</option>
      <option value="PhosphoHex (S)">PhosphoHex (S)</option>
      <option value="PhosphoHex (T)">PhosphoHex (T)</option>
      <option value="PhosphoHex(2) (N)">PhosphoHex(2) (N)</option>
      <option value="PhosphoHex(2) (S)">PhosphoHex(2) (S)</option>
      <option value="PhosphoHex(2) (T)">PhosphoHex(2) (T)</option>
      <option value="PhosphoHexNAc (S)">PhosphoHexNAc (S)</option>
      <option value="PhosphoHexNAc (T)">PhosphoHexNAc (T)</option>
      <option value="Phosphopantetheine (S)">Phosphopantetheine (S)</option>
      <option value="Phosphopropargyl (S)">Phosphopropargyl (S)</option>
      <option value="Phosphopropargyl (T)">Phosphopropargyl (T)</option>
      <option value="Phosphopropargyl (Y)">Phosphopropargyl (Y)</option>
      <option value="phosphoRibosyl (D)">phosphoRibosyl (D)</option>
      <option value="phosphoRibosyl (E)">phosphoRibosyl (E)</option>
      <option value="phosphoRibosyl (R)">phosphoRibosyl (R)</option>
      <option value="PhosphoribosyldephosphoCoA (S)">PhosphoribosyldephosphoCoA (S)</option>
      <option value="PhosphoUridine (H)">PhosphoUridine (H)</option>
      <option value="PhosphoUridine (Y)">PhosphoUridine (Y)</option>
      <option value="Phycocyanobilin (C)">Phycocyanobilin (C)</option>
      <option value="Phycoerythrobilin (C)">Phycoerythrobilin (C)</option>
      <option value="Phytochromobilin (C)">Phytochromobilin (C)</option>
      <option value="Piperidine (K)">Piperidine (K)</option>
      <option value="Piperidine (N-term)">Piperidine (N-term)</option>
      <option value="Pro-&gt;Ala (P)">Pro-&gt;Ala (P)</option>
      <option value="Pro-&gt;Arg (P)">Pro-&gt;Arg (P)</option>
      <option value="Pro-&gt;Asn (P)">Pro-&gt;Asn (P)</option>
      <option value="Pro-&gt;Asp (P)">Pro-&gt;Asp (P)</option>
      <option value="Pro-&gt;Cys (P)">Pro-&gt;Cys (P)</option>
      <option value="Pro-&gt;Gln (P)">Pro-&gt;Gln (P)</option>
      <option value="Pro-&gt;Glu (P)">Pro-&gt;Glu (P)</option>
      <option value="Pro-&gt;Gly (P)">Pro-&gt;Gly (P)</option>
      <option value="Pro-&gt;HAVA (P)">Pro-&gt;HAVA (P)</option>
      <option value="Pro-&gt;His (P)">Pro-&gt;His (P)</option>
      <option value="Pro-&gt;Lys (P)">Pro-&gt;Lys (P)</option>
      <option value="Pro-&gt;Met (P)">Pro-&gt;Met (P)</option>
      <option value="Pro-&gt;Phe (P)">Pro-&gt;Phe (P)</option>
      <option value="Pro-&gt;pyro-Glu (P)">Pro-&gt;pyro-Glu (P)</option>
      <option value="Pro-&gt;Pyrrolidinone (P)">Pro-&gt;Pyrrolidinone (P)</option>
      <option value="Pro-&gt;Pyrrolidone (P)">Pro-&gt;Pyrrolidone (P)</option>
      <option value="Pro-&gt;Ser (P)">Pro-&gt;Ser (P)</option>
      <option value="Pro-&gt;Thr (P)">Pro-&gt;Thr (P)</option>
      <option value="Pro-&gt;Trp (P)">Pro-&gt;Trp (P)</option>
      <option value="Pro-&gt;Tyr (P)">Pro-&gt;Tyr (P)</option>
      <option value="Pro-&gt;Val (P)">Pro-&gt;Val (P)</option>
      <option value="Pro-&gt;Xle (P)">Pro-&gt;Xle (P)</option>
      <option value="probiotinhydrazide (P)">probiotinhydrazide (P)</option>
      <option value="Propargylamine (C-term)">Propargylamine (C-term)</option>
      <option value="Propargylamine (D)">Propargylamine (D)</option>
      <option value="Propargylamine (E)">Propargylamine (E)</option>
      <option value="Propionamide (C)">Propionamide (C)</option>
      <option value="Propionamide (K)">Propionamide (K)</option>
      <option value="Propionamide (N-term)">Propionamide (N-term)</option>
      <option value="Propionamide:2H(3) (C)">Propionamide:2H(3) (C)</option>
      <option value="Propionyl (K)">Propionyl (K)</option>
      <option value="Propionyl (N-term)">Propionyl (N-term)</option>
      <option value="Propionyl (Protein N-term)">Propionyl (Protein N-term)</option>
      <option value="Propionyl (S)">Propionyl (S)</option>
      <option value="Propionyl (T)">Propionyl (T)</option>
      <option value="Propionyl:13C(3) (K)">Propionyl:13C(3) (K)</option>
      <option value="Propionyl:13C(3) (N-term)">Propionyl:13C(3) (N-term)</option>
      <option value="Propiophenone (C)">Propiophenone (C)</option>
      <option value="Propiophenone (H)">Propiophenone (H)</option>
      <option value="Propiophenone (K)">Propiophenone (K)</option>
      <option value="Propiophenone (R)">Propiophenone (R)</option>
      <option value="Propiophenone (S)">Propiophenone (S)</option>
      <option value="Propiophenone (T)">Propiophenone (T)</option>
      <option value="Propiophenone (W)">Propiophenone (W)</option>
      <option value="Propyl (C-term)">Propyl (C-term)</option>
      <option value="Propyl (D)">Propyl (D)</option>
      <option value="Propyl (E)">Propyl (E)</option>
      <option value="Propyl (K)">Propyl (K)</option>
      <option value="Propyl (N-term)">Propyl (N-term)</option>
      <option value="Propyl (Protein C-term)">Propyl (Protein C-term)</option>
      <option value="Propyl:2H(6) (K)">Propyl:2H(6) (K)</option>
      <option value="Propyl:2H(6) (N-term)">Propyl:2H(6) (N-term)</option>
      <option value="PropylNAGthiazoline (C)">PropylNAGthiazoline (C)</option>
      <option value="PS_Hapten (C)">PS_Hapten (C)</option>
      <option value="PS_Hapten (H)">PS_Hapten (H)</option>
      <option value="PS_Hapten (K)">PS_Hapten (K)</option>
      <option value="pupylation (K)">pupylation (K)</option>
      <option value="Puromycin (C-term)">Puromycin (C-term)</option>
      <option value="PyMIC (N-term)">PyMIC (N-term)</option>
      <option value="PyridoxalPhosphate (K)">PyridoxalPhosphate (K)</option>
      <option value="PyridoxalPhosphateH2 (K)">PyridoxalPhosphateH2 (K)</option>
      <option value="Pyridylacetyl (K)">Pyridylacetyl (K)</option>
      <option value="Pyridylacetyl (N-term)">Pyridylacetyl (N-term)</option>
      <option value="Pyridylethyl (C)">Pyridylethyl (C)</option>
      <option value="Pyro-carbamidomethyl (N-term C)">Pyro-carbamidomethyl (N-term C)</option>
      <option value="pyrophospho (S)">pyrophospho (S)</option>
      <option value="pyrophospho (T)">pyrophospho (T)</option>
      <option value="PyruvicAcidIminyl (K)">PyruvicAcidIminyl (K)</option>
      <option value="PyruvicAcidIminyl (Protein N-term C)">PyruvicAcidIminyl (Protein N-term C)</option>
      <option value="PyruvicAcidIminyl (Protein N-term V)">PyruvicAcidIminyl (Protein N-term V)</option>
      <option value="QAT (C)">QAT (C)</option>
      <option value="QAT:2H(3) (C)">QAT:2H(3) (C)</option>
      <option value="QEQTGG (K)">QEQTGG (K)</option>
      <option value="QQQTGG (K)">QQQTGG (K)</option>
      <option value="QTGG (K)">QTGG (K)</option>
      <option value="Quinone (W)">Quinone (W)</option>
      <option value="Quinone (Y)">Quinone (Y)</option>
      <option value="Retinylidene (K)">Retinylidene (K)</option>
      <option value="RNPXL (N-term K)">RNPXL (N-term K)</option>
      <option value="RNPXL (N-term R)">RNPXL (N-term R)</option>
      <option value="RNPXlink1 (C)">RNPXlink1 (C)</option>
      <option value="RNPXlink2 (F)">RNPXlink2 (F)</option>
      <option value="RNPXlink2 (K)">RNPXlink2 (K)</option>
      <option value="RNPXlink2 (L)">RNPXlink2 (L)</option>
      <option value="RNPXlink3 (C)">RNPXlink3 (C)</option>
      <option value="RNPXlink3 (F)">RNPXlink3 (F)</option>
      <option value="RNPXlink4 (C)">RNPXlink4 (C)</option>
      <option value="RNPXlink5 (F)">RNPXlink5 (F)</option>
      <option value="RNPXlink5 (Y)">RNPXlink5 (Y)</option>
      <option value="s-GlcNAc (S)">s-GlcNAc (S)</option>
      <option value="s-GlcNAc (T)">s-GlcNAc (T)</option>
      <option value="Saligenin (H)">Saligenin (H)</option>
      <option value="Saligenin (K)">Saligenin (K)</option>
      <option value="Ser-&gt;Ala (S)">Ser-&gt;Ala (S)</option>
      <option value="Ser-&gt;Arg (S)">Ser-&gt;Arg (S)</option>
      <option value="Ser-&gt;Asn (S)">Ser-&gt;Asn (S)</option>
      <option value="Ser-&gt;Asp (S)">Ser-&gt;Asp (S)</option>
      <option value="Ser-&gt;Cys (S)">Ser-&gt;Cys (S)</option>
      <option value="Ser-&gt;Gln (S)">Ser-&gt;Gln (S)</option>
      <option value="Ser-&gt;Glu (S)">Ser-&gt;Glu (S)</option>
      <option value="Ser-&gt;Gly (S)">Ser-&gt;Gly (S)</option>
      <option value="Ser-&gt;His (S)">Ser-&gt;His (S)</option>
      <option value="Ser-&gt;LacticAcid (Protein N-term S)">Ser-&gt;LacticAcid (Protein N-term S)</option>
      <option value="Ser-&gt;Lys (S)">Ser-&gt;Lys (S)</option>
      <option value="Ser-&gt;Met (S)">Ser-&gt;Met (S)</option>
      <option value="Ser-&gt;Phe (S)">Ser-&gt;Phe (S)</option>
      <option value="Ser-&gt;Pro (S)">Ser-&gt;Pro (S)</option>
      <option value="Ser-&gt;Thr (S)">Ser-&gt;Thr (S)</option>
      <option value="Ser-&gt;Trp (S)">Ser-&gt;Trp (S)</option>
      <option value="Ser-&gt;Tyr (S)">Ser-&gt;Tyr (S)</option>
      <option value="Ser-&gt;Val (S)">Ser-&gt;Val (S)</option>
      <option value="Ser-&gt;Xle (S)">Ser-&gt;Xle (S)</option>
      <option value="serotonylation (Q)">serotonylation (Q)</option>
      <option value="shTMT (K)">shTMT (K)</option>
      <option value="shTMT (N-term)">shTMT (N-term)</option>
      <option value="shTMT (Protein N-term)">shTMT (Protein N-term)</option>
      <option value="SMA (K)">SMA (K)</option>
      <option value="SMA (N-term)">SMA (N-term)</option>
      <option value="spermidine (Q)">spermidine (Q)</option>
      <option value="spermine (Q)">spermine (Q)</option>
      <option value="SPITC (K)">SPITC (K)</option>
      <option value="SPITC (N-term)">SPITC (N-term)</option>
      <option value="SPITC:13C(6) (K)">SPITC:13C(6) (K)</option>
      <option value="SPITC:13C(6) (N-term)">SPITC:13C(6) (N-term)</option>
      <option value="Succinyl (K)">Succinyl (K)</option>
      <option value="Succinyl (N-term)">Succinyl (N-term)</option>
      <option value="Succinyl (Protein N-term)">Succinyl (Protein N-term)</option>
      <option value="Succinyl:13C(4) (K)">Succinyl:13C(4) (K)</option>
      <option value="Succinyl:13C(4) (N-term)">Succinyl:13C(4) (N-term)</option>
      <option value="Succinyl:2H(4) (K)">Succinyl:2H(4) (K)</option>
      <option value="Succinyl:2H(4) (N-term)">Succinyl:2H(4) (N-term)</option>
      <option value="SulfanilicAcid (C-term)">SulfanilicAcid (C-term)</option>
      <option value="SulfanilicAcid (D)">SulfanilicAcid (D)</option>
      <option value="SulfanilicAcid (E)">SulfanilicAcid (E)</option>
      <option value="SulfanilicAcid:13C(6) (C-term)">SulfanilicAcid:13C(6) (C-term)</option>
      <option value="SulfanilicAcid:13C(6) (D)">SulfanilicAcid:13C(6) (D)</option>
      <option value="SulfanilicAcid:13C(6) (E)">SulfanilicAcid:13C(6) (E)</option>
      <option value="Sulfide (C)">Sulfide (C)</option>
      <option value="Sulfide (D)">Sulfide (D)</option>
      <option value="Sulfide (W)">Sulfide (W)</option>
      <option value="Sulfo (C)">Sulfo (C)</option>
      <option value="Sulfo (S)">Sulfo (S)</option>
      <option value="Sulfo (T)">Sulfo (T)</option>
      <option value="Sulfo (Y)">Sulfo (Y)</option>
      <option value="sulfo+amino (Y)">sulfo+amino (Y)</option>
      <option value="Sulfo-NHS-LC-LC-Biotin (K)">Sulfo-NHS-LC-LC-Biotin (K)</option>
      <option value="Sulfo-NHS-LC-LC-Biotin (N-term)">Sulfo-NHS-LC-LC-Biotin (N-term)</option>
      <option value="SulfoGMBS (C)">SulfoGMBS (C)</option>
      <option value="SulfurDioxide (C)">SulfurDioxide (C)</option>
      <option value="SUMO2135 (K)">SUMO2135 (K)</option>
      <option value="SUMO3549 (K)">SUMO3549 (K)</option>
      <option value="TAMRA-FP (S)">TAMRA-FP (S)</option>
      <option value="TAMRA-FP (Y)">TAMRA-FP (Y)</option>
      <option value="Thiadiazole (C)">Thiadiazole (C)</option>
      <option value="Thiazolidine (C)">Thiazolidine (C)</option>
      <option value="Thiazolidine (F)">Thiazolidine (F)</option>
      <option value="Thiazolidine (H)">Thiazolidine (H)</option>
      <option value="Thiazolidine (K)">Thiazolidine (K)</option>
      <option value="Thiazolidine (Protein N-term)">Thiazolidine (Protein N-term)</option>
      <option value="Thiazolidine (R)">Thiazolidine (R)</option>
      <option value="Thiazolidine (W)">Thiazolidine (W)</option>
      <option value="Thiazolidine (Y)">Thiazolidine (Y)</option>
      <option value="thioacylPA (K)">thioacylPA (K)</option>
      <option value="Thiophos-S-S-biotin (S)">Thiophos-S-S-biotin (S)</option>
      <option value="Thiophos-S-S-biotin (T)">Thiophos-S-S-biotin (T)</option>
      <option value="Thiophos-S-S-biotin (Y)">Thiophos-S-S-biotin (Y)</option>
      <option value="Thiophospho (S)">Thiophospho (S)</option>
      <option value="Thiophospho (T)">Thiophospho (T)</option>
      <option value="Thiophospho (Y)">Thiophospho (Y)</option>
      <option value="Thr-&gt;Ala (T)">Thr-&gt;Ala (T)</option>
      <option value="Thr-&gt;Arg (T)">Thr-&gt;Arg (T)</option>
      <option value="Thr-&gt;Asn (T)">Thr-&gt;Asn (T)</option>
      <option value="Thr-&gt;Asp (T)">Thr-&gt;Asp (T)</option>
      <option value="Thr-&gt;Cys (T)">Thr-&gt;Cys (T)</option>
      <option value="Thr-&gt;Gln (T)">Thr-&gt;Gln (T)</option>
      <option value="Thr-&gt;Glu (T)">Thr-&gt;Glu (T)</option>
      <option value="Thr-&gt;Gly (T)">Thr-&gt;Gly (T)</option>
      <option value="Thr-&gt;His (T)">Thr-&gt;His (T)</option>
      <option value="Thr-&gt;Lys (T)">Thr-&gt;Lys (T)</option>
      <option value="Thr-&gt;Met (T)">Thr-&gt;Met (T)</option>
      <option value="Thr-&gt;Phe (T)">Thr-&gt;Phe (T)</option>
      <option value="Thr-&gt;Pro (T)">Thr-&gt;Pro (T)</option>
      <option value="Thr-&gt;Ser (T)">Thr-&gt;Ser (T)</option>
      <option value="Thr-&gt;Trp (T)">Thr-&gt;Trp (T)</option>
      <option value="Thr-&gt;Tyr (T)">Thr-&gt;Tyr (T)</option>
      <option value="Thr-&gt;Val (T)">Thr-&gt;Val (T)</option>
      <option value="Thr-&gt;Xle (T)">Thr-&gt;Xle (T)</option>
      <option value="Thrbiotinhydrazide (T)">Thrbiotinhydrazide (T)</option>
      <option value="Thyroxine (Y)">Thyroxine (Y)</option>
      <option value="TMAB (K)">TMAB (K)</option>
      <option value="TMAB (N-term)">TMAB (N-term)</option>
      <option value="TMAB:2H(9) (K)">TMAB:2H(9) (K)</option>
      <option value="TMAB:2H(9) (N-term)">TMAB:2H(9) (N-term)</option>
      <option value="TMPP-Ac (K)">TMPP-Ac (K)</option>
      <option value="TMPP-Ac (N-term)">TMPP-Ac (N-term)</option>
      <option value="TMPP-Ac (Y)">TMPP-Ac (Y)</option>
      <option value="TMPP-Ac:13C(9) (K)">TMPP-Ac:13C(9) (K)</option>
      <option value="TMPP-Ac:13C(9) (N-term)">TMPP-Ac:13C(9) (N-term)</option>
      <option value="TMPP-Ac:13C(9) (Y)">TMPP-Ac:13C(9) (Y)</option>
      <option value="TMT (H)">TMT (H)</option>
      <option value="TMT (K)">TMT (K)</option>
      <option value="TMT (N-term)">TMT (N-term)</option>
      <option value="TMT (Protein N-term)">TMT (Protein N-term)</option>
      <option value="TMT (S)">TMT (S)</option>
      <option value="TMT (T)">TMT (T)</option>
      <option value="TMT2plex (H)">TMT2plex (H)</option>
      <option value="TMT2plex (K)">TMT2plex (K)</option>
      <option value="TMT2plex (N-term)">TMT2plex (N-term)</option>
      <option value="TMT2plex (Protein N-term)">TMT2plex (Protein N-term)</option>
      <option value="TMT2plex (S)">TMT2plex (S)</option>
      <option value="TMT2plex (T)">TMT2plex (T)</option>
      <option value="TMT6plex (H)">TMT6plex (H)</option>
      <option value="TMT6plex (K)">TMT6plex (K)</option>
      <option value="TMT6plex (N-term)">TMT6plex (N-term)</option>
      <option value="TMT6plex (Protein N-term)">TMT6plex (Protein N-term)</option>
      <option value="TMT6plex (S)">TMT6plex (S)</option>
      <option value="TMT6plex (T)">TMT6plex (T)</option>
      <option value="TMTpro (H)">TMTpro (H)</option>
      <option value="TMTpro (K)">TMTpro (K)</option>
      <option value="TMTpro (N-term)">TMTpro (N-term)</option>
      <option value="TMTpro (Protein N-term)">TMTpro (Protein N-term)</option>
      <option value="TMTpro (S)">TMTpro (S)</option>
      <option value="TMTpro (T)">TMTpro (T)</option>
      <option value="TMTpro_zero (H)">TMTpro_zero (H)</option>
      <option value="TMTpro_zero (K)">TMTpro_zero (K)</option>
      <option value="TMTpro_zero (N-term)">TMTpro_zero (N-term)</option>
      <option value="TMTpro_zero (Protein N-term)">TMTpro_zero (Protein N-term)</option>
      <option value="TMTpro_zero (S)">TMTpro_zero (S)</option>
      <option value="TMTpro_zero (T)">TMTpro_zero (T)</option>
      <option value="TNBS (K)">TNBS (K)</option>
      <option value="TNBS (N-term)">TNBS (N-term)</option>
      <option value="trifluoro (L)">trifluoro (L)</option>
      <option value="Triiodo (Y)">Triiodo (Y)</option>
      <option value="Triiodothyronine (Y)">Triiodothyronine (Y)</option>
      <option value="Trimethyl (K)">Trimethyl (K)</option>
      <option value="Trimethyl (Protein N-term A)">Trimethyl (Protein N-term A)</option>
      <option value="Trimethyl (R)">Trimethyl (R)</option>
      <option value="Trimethyl:13C(3)2H(9) (K)">Trimethyl:13C(3)2H(9) (K)</option>
      <option value="Trimethyl:13C(3)2H(9) (R)">Trimethyl:13C(3)2H(9) (R)</option>
      <option value="Trimethyl:2H(9) (K)">Trimethyl:2H(9) (K)</option>
      <option value="Trimethyl:2H(9) (R)">Trimethyl:2H(9) (R)</option>
      <option value="Trioxidation (C)">Trioxidation (C)</option>
      <option value="Trioxidation (F)">Trioxidation (F)</option>
      <option value="Trioxidation (W)">Trioxidation (W)</option>
      <option value="Trioxidation (Y)">Trioxidation (Y)</option>
      <option value="Tripalmitate (Protein N-term C)">Tripalmitate (Protein N-term C)</option>
      <option value="Tris (N)">Tris (N)</option>
      <option value="Triton (C-term)">Triton (C-term)</option>
      <option value="Triton (N-term)">Triton (N-term)</option>
      <option value="Trp-&gt;Ala (W)">Trp-&gt;Ala (W)</option>
      <option value="Trp-&gt;Arg (W)">Trp-&gt;Arg (W)</option>
      <option value="Trp-&gt;Asn (W)">Trp-&gt;Asn (W)</option>
      <option value="Trp-&gt;Asp (W)">Trp-&gt;Asp (W)</option>
      <option value="Trp-&gt;Cys (W)">Trp-&gt;Cys (W)</option>
      <option value="Trp-&gt;Gln (W)">Trp-&gt;Gln (W)</option>
      <option value="Trp-&gt;Glu (W)">Trp-&gt;Glu (W)</option>
      <option value="Trp-&gt;Gly (W)">Trp-&gt;Gly (W)</option>
      <option value="Trp-&gt;His (W)">Trp-&gt;His (W)</option>
      <option value="Trp-&gt;Hydroxykynurenin (W)">Trp-&gt;Hydroxykynurenin (W)</option>
      <option value="Trp-&gt;Kynurenin (W)">Trp-&gt;Kynurenin (W)</option>
      <option value="Trp-&gt;Lys (W)">Trp-&gt;Lys (W)</option>
      <option value="Trp-&gt;Met (W)">Trp-&gt;Met (W)</option>
      <option value="Trp-&gt;Oxolactone (W)">Trp-&gt;Oxolactone (W)</option>
      <option value="Trp-&gt;Phe (W)">Trp-&gt;Phe (W)</option>
      <option value="Trp-&gt;Pro (W)">Trp-&gt;Pro (W)</option>
      <option value="Trp-&gt;Ser (W)">Trp-&gt;Ser (W)</option>
      <option value="Trp-&gt;Thr (W)">Trp-&gt;Thr (W)</option>
      <option value="Trp-&gt;Tyr (W)">Trp-&gt;Tyr (W)</option>
      <option value="Trp-&gt;Val (W)">Trp-&gt;Val (W)</option>
      <option value="Trp-&gt;Xle (W)">Trp-&gt;Xle (W)</option>
      <option value="Tween20 (N-term)">Tween20 (N-term)</option>
      <option value="Tween80 (C-term)">Tween80 (C-term)</option>
      <option value="Tyr-&gt;Ala (Y)">Tyr-&gt;Ala (Y)</option>
      <option value="Tyr-&gt;Arg (Y)">Tyr-&gt;Arg (Y)</option>
      <option value="Tyr-&gt;Asn (Y)">Tyr-&gt;Asn (Y)</option>
      <option value="Tyr-&gt;Asp (Y)">Tyr-&gt;Asp (Y)</option>
      <option value="Tyr-&gt;Cys (Y)">Tyr-&gt;Cys (Y)</option>
      <option value="Tyr-&gt;Dha (Y)">Tyr-&gt;Dha (Y)</option>
      <option value="Tyr-&gt;Gln (Y)">Tyr-&gt;Gln (Y)</option>
      <option value="Tyr-&gt;Glu (Y)">Tyr-&gt;Glu (Y)</option>
      <option value="Tyr-&gt;Gly (Y)">Tyr-&gt;Gly (Y)</option>
      <option value="Tyr-&gt;His (Y)">Tyr-&gt;His (Y)</option>
      <option value="Tyr-&gt;Lys (Y)">Tyr-&gt;Lys (Y)</option>
      <option value="Tyr-&gt;Met (Y)">Tyr-&gt;Met (Y)</option>
      <option value="Tyr-&gt;Phe (Y)">Tyr-&gt;Phe (Y)</option>
      <option value="Tyr-&gt;Pro (Y)">Tyr-&gt;Pro (Y)</option>
      <option value="Tyr-&gt;Ser (Y)">Tyr-&gt;Ser (Y)</option>
      <option value="Tyr-&gt;Thr (Y)">Tyr-&gt;Thr (Y)</option>
      <option value="Tyr-&gt;Trp (Y)">Tyr-&gt;Trp (Y)</option>
      <option value="Tyr-&gt;Val (Y)">Tyr-&gt;Val (Y)</option>
      <option value="Tyr-&gt;Xle (Y)">Tyr-&gt;Xle (Y)</option>
      <option value="Ub-amide (C)">Ub-amide (C)</option>
      <option value="Ub-Br2 (C)">Ub-Br2 (C)</option>
      <option value="Ub-fluorescein (C)">Ub-fluorescein (C)</option>
      <option value="Ub-VME (C)">Ub-VME (C)</option>
      <option value="UgiJoullie (D)">UgiJoullie (D)</option>
      <option value="UgiJoullie (E)">UgiJoullie (E)</option>
      <option value="UgiJoullieProGly (D)">UgiJoullieProGly (D)</option>
      <option value="UgiJoullieProGly (E)">UgiJoullieProGly (E)</option>
      <option value="UgiJoullieProGlyProGly (D)">UgiJoullieProGlyProGly (D)</option>
      <option value="UgiJoullieProGlyProGly (E)">UgiJoullieProGlyProGly (E)</option>
      <option value="Unknown:162 (C-term)">Unknown:162 (C-term)</option>
      <option value="Unknown:162 (D)">Unknown:162 (D)</option>
      <option value="Unknown:162 (E)">Unknown:162 (E)</option>
      <option value="Unknown:162 (N-term)">Unknown:162 (N-term)</option>
      <option value="Unknown:177 (C-term)">Unknown:177 (C-term)</option>
      <option value="Unknown:177 (D)">Unknown:177 (D)</option>
      <option value="Unknown:177 (E)">Unknown:177 (E)</option>
      <option value="Unknown:177 (N-term)">Unknown:177 (N-term)</option>
      <option value="Unknown:210 (C-term)">Unknown:210 (C-term)</option>
      <option value="Unknown:210 (D)">Unknown:210 (D)</option>
      <option value="Unknown:210 (E)">Unknown:210 (E)</option>
      <option value="Unknown:210 (N-term)">Unknown:210 (N-term)</option>
      <option value="Unknown:216 (C-term)">Unknown:216 (C-term)</option>
      <option value="Unknown:216 (D)">Unknown:216 (D)</option>
      <option value="Unknown:216 (E)">Unknown:216 (E)</option>
      <option value="Unknown:216 (N-term)">Unknown:216 (N-term)</option>
      <option value="Unknown:234 (C-term)">Unknown:234 (C-term)</option>
      <option value="Unknown:234 (D)">Unknown:234 (D)</option>
      <option value="Unknown:234 (E)">Unknown:234 (E)</option>
      <option value="Unknown:234 (N-term)">Unknown:234 (N-term)</option>
      <option value="Unknown:248 (C-term)">Unknown:248 (C-term)</option>
      <option value="Unknown:248 (D)">Unknown:248 (D)</option>
      <option value="Unknown:248 (E)">Unknown:248 (E)</option>
      <option value="Unknown:248 (N-term)">Unknown:248 (N-term)</option>
      <option value="Unknown:250 (C-term)">Unknown:250 (C-term)</option>
      <option value="Unknown:250 (D)">Unknown:250 (D)</option>
      <option value="Unknown:250 (E)">Unknown:250 (E)</option>
      <option value="Unknown:250 (N-term)">Unknown:250 (N-term)</option>
      <option value="Unknown:302 (C-term)">Unknown:302 (C-term)</option>
      <option value="Unknown:302 (D)">Unknown:302 (D)</option>
      <option value="Unknown:302 (E)">Unknown:302 (E)</option>
      <option value="Unknown:302 (N-term)">Unknown:302 (N-term)</option>
      <option value="Unknown:306 (C-term)">Unknown:306 (C-term)</option>
      <option value="Unknown:306 (D)">Unknown:306 (D)</option>
      <option value="Unknown:306 (E)">Unknown:306 (E)</option>
      <option value="Unknown:306 (N-term)">Unknown:306 (N-term)</option>
      <option value="Unknown:420 (C-term)">Unknown:420 (C-term)</option>
      <option value="Unknown:420 (N-term)">Unknown:420 (N-term)</option>
      <option value="Val-&gt;Ala (V)">Val-&gt;Ala (V)</option>
      <option value="Val-&gt;Arg (V)">Val-&gt;Arg (V)</option>
      <option value="Val-&gt;Asn (V)">Val-&gt;Asn (V)</option>
      <option value="Val-&gt;Asp (V)">Val-&gt;Asp (V)</option>
      <option value="Val-&gt;Cys (V)">Val-&gt;Cys (V)</option>
      <option value="Val-&gt;Gln (V)">Val-&gt;Gln (V)</option>
      <option value="Val-&gt;Glu (V)">Val-&gt;Glu (V)</option>
      <option value="Val-&gt;Gly (V)">Val-&gt;Gly (V)</option>
      <option value="Val-&gt;His (V)">Val-&gt;His (V)</option>
      <option value="Val-&gt;Lys (V)">Val-&gt;Lys (V)</option>
      <option value="Val-&gt;Met (V)">Val-&gt;Met (V)</option>
      <option value="Val-&gt;Phe (V)">Val-&gt;Phe (V)</option>
      <option value="Val-&gt;Pro (V)">Val-&gt;Pro (V)</option>
      <option value="Val-&gt;Ser (V)">Val-&gt;Ser (V)</option>
      <option value="Val-&gt;Thr (V)">Val-&gt;Thr (V)</option>
      <option value="Val-&gt;Trp (V)">Val-&gt;Trp (V)</option>
      <option value="Val-&gt;Tyr (V)">Val-&gt;Tyr (V)</option>
      <option value="Val-&gt;Xle (V)">Val-&gt;Xle (V)</option>
      <option value="VFQQQTGG (K)">VFQQQTGG (K)</option>
      <option value="VIEVYQEQTGG (K)">VIEVYQEQTGG (K)</option>
      <option value="Withaferin (C)">Withaferin (C)</option>
      <option value="Xle-&gt;Ala (I)">Xle-&gt;Ala (I)</option>
      <option value="Xle-&gt;Ala (L)">Xle-&gt;Ala (L)</option>
      <option value="Xle-&gt;Arg (I)">Xle-&gt;Arg (I)</option>
      <option value="Xle-&gt;Arg (L)">Xle-&gt;Arg (L)</option>
      <option value="Xle-&gt;Asn (I)">Xle-&gt;Asn (I)</option>
      <option value="Xle-&gt;Asn (L)">Xle-&gt;Asn (L)</option>
      <option value="Xle-&gt;Asp (I)">Xle-&gt;Asp (I)</option>
      <option value="Xle-&gt;Asp (L)">Xle-&gt;Asp (L)</option>
      <option value="Xle-&gt;Cys (I)">Xle-&gt;Cys (I)</option>
      <option value="Xle-&gt;Cys (L)">Xle-&gt;Cys (L)</option>
      <option value="Xle-&gt;Gln (I)">Xle-&gt;Gln (I)</option>
      <option value="Xle-&gt;Gln (L)">Xle-&gt;Gln (L)</option>
      <option value="Xle-&gt;Glu (I)">Xle-&gt;Glu (I)</option>
      <option value="Xle-&gt;Glu (L)">Xle-&gt;Glu (L)</option>
      <option value="Xle-&gt;Gly (I)">Xle-&gt;Gly (I)</option>
      <option value="Xle-&gt;Gly (L)">Xle-&gt;Gly (L)</option>
      <option value="Xle-&gt;His (I)">Xle-&gt;His (I)</option>
      <option value="Xle-&gt;His (L)">Xle-&gt;His (L)</option>
      <option value="Xle-&gt;Lys (I)">Xle-&gt;Lys (I)</option>
      <option value="Xle-&gt;Lys (L)">Xle-&gt;Lys (L)</option>
      <option value="Xle-&gt;Met (I)">Xle-&gt;Met (I)</option>
      <option value="Xle-&gt;Met (L)">Xle-&gt;Met (L)</option>
      <option value="Xle-&gt;Phe (I)">Xle-&gt;Phe (I)</option>
      <option value="Xle-&gt;Phe (L)">Xle-&gt;Phe (L)</option>
      <option value="Xle-&gt;Pro (I)">Xle-&gt;Pro (I)</option>
      <option value="Xle-&gt;Pro (L)">Xle-&gt;Pro (L)</option>
      <option value="Xle-&gt;Ser (I)">Xle-&gt;Ser (I)</option>
      <option value="Xle-&gt;Ser (L)">Xle-&gt;Ser (L)</option>
      <option value="Xle-&gt;Thr (I)">Xle-&gt;Thr (I)</option>
      <option value="Xle-&gt;Thr (L)">Xle-&gt;Thr (L)</option>
      <option value="Xle-&gt;Trp (I)">Xle-&gt;Trp (I)</option>
      <option value="Xle-&gt;Trp (L)">Xle-&gt;Trp (L)</option>
      <option value="Xle-&gt;Tyr (I)">Xle-&gt;Tyr (I)</option>
      <option value="Xle-&gt;Tyr (L)">Xle-&gt;Tyr (L)</option>
      <option value="Xle-&gt;Val (I)">Xle-&gt;Val (I)</option>
      <option value="Xle-&gt;Val (L)">Xle-&gt;Val (L)</option>
      <option value="Xlink:B10621 (C)">Xlink:B10621 (C)</option>
      <option value="Xlink:BMOE (C)">Xlink:BMOE (C)</option>
      <option value="Xlink:BS2G[113] (K)">Xlink:BS2G[113] (K)</option>
      <option value="Xlink:BS2G[113] (Protein N-term)">Xlink:BS2G[113] (Protein N-term)</option>
      <option value="Xlink:BS2G[114] (K)">Xlink:BS2G[114] (K)</option>
      <option value="Xlink:BS2G[114] (Protein N-term)">Xlink:BS2G[114] (Protein N-term)</option>
      <option value="Xlink:BS2G[217] (K)">Xlink:BS2G[217] (K)</option>
      <option value="Xlink:BS2G[217] (Protein N-term)">Xlink:BS2G[217] (Protein N-term)</option>
      <option value="Xlink:BS2G[96] (K)">Xlink:BS2G[96] (K)</option>
      <option value="Xlink:BS2G[96] (Protein N-term)">Xlink:BS2G[96] (Protein N-term)</option>
      <option value="Xlink:BuUrBu[111] (K)">Xlink:BuUrBu[111] (K)</option>
      <option value="Xlink:BuUrBu[111] (Protein N-term)">Xlink:BuUrBu[111] (Protein N-term)</option>
      <option value="Xlink:BuUrBu[196] (K)">Xlink:BuUrBu[196] (K)</option>
      <option value="Xlink:BuUrBu[196] (Protein N-term)">Xlink:BuUrBu[196] (Protein N-term)</option>
      <option value="Xlink:BuUrBu[213] (K)">Xlink:BuUrBu[213] (K)</option>
      <option value="Xlink:BuUrBu[213] (Protein N-term)">Xlink:BuUrBu[213] (Protein N-term)</option>
      <option value="Xlink:BuUrBu[214] (K)">Xlink:BuUrBu[214] (K)</option>
      <option value="Xlink:BuUrBu[214] (Protein N-term)">Xlink:BuUrBu[214] (Protein N-term)</option>
      <option value="Xlink:BuUrBu[317] (K)">Xlink:BuUrBu[317] (K)</option>
      <option value="Xlink:BuUrBu[317] (Protein N-term)">Xlink:BuUrBu[317] (Protein N-term)</option>
      <option value="Xlink:BuUrBu[85] (K)">Xlink:BuUrBu[85] (K)</option>
      <option value="Xlink:BuUrBu[85] (Protein N-term)">Xlink:BuUrBu[85] (Protein N-term)</option>
      <option value="Xlink:DFDNB (K)">Xlink:DFDNB (K)</option>
      <option value="Xlink:DFDNB (N)">Xlink:DFDNB (N)</option>
      <option value="Xlink:DFDNB (Q)">Xlink:DFDNB (Q)</option>
      <option value="Xlink:DFDNB (R)">Xlink:DFDNB (R)</option>
      <option value="Xlink:DMP[122] (K)">Xlink:DMP[122] (K)</option>
      <option value="Xlink:DMP[122] (Protein N-term)">Xlink:DMP[122] (Protein N-term)</option>
      <option value="Xlink:DMP[139] (K)">Xlink:DMP[139] (K)</option>
      <option value="Xlink:DMP[139] (Protein N-term)">Xlink:DMP[139] (Protein N-term)</option>
      <option value="Xlink:DMP[140] (K)">Xlink:DMP[140] (K)</option>
      <option value="Xlink:DMP[140] (Protein N-term)">Xlink:DMP[140] (Protein N-term)</option>
      <option value="Xlink:DMP[154] (K)">Xlink:DMP[154] (K)</option>
      <option value="Xlink:DMP[154] (Protein N-term)">Xlink:DMP[154] (Protein N-term)</option>
      <option value="Xlink:DSS[138] (K)">Xlink:DSS[138] (K)</option>
      <option value="Xlink:DSS[138] (Protein N-term)">Xlink:DSS[138] (Protein N-term)</option>
      <option value="Xlink:DSS[155] (K)">Xlink:DSS[155] (K)</option>
      <option value="Xlink:DSS[155] (Protein N-term)">Xlink:DSS[155] (Protein N-term)</option>
      <option value="Xlink:DSS[156] (K)">Xlink:DSS[156] (K)</option>
      <option value="Xlink:DSS[156] (Protein N-term)">Xlink:DSS[156] (Protein N-term)</option>
      <option value="Xlink:DSS[259] (K)">Xlink:DSS[259] (K)</option>
      <option value="Xlink:DSS[259] (Protein N-term)">Xlink:DSS[259] (Protein N-term)</option>
      <option value="Xlink:DSSO[104] (K)">Xlink:DSSO[104] (K)</option>
      <option value="Xlink:DSSO[104] (Protein N-term)">Xlink:DSSO[104] (Protein N-term)</option>
      <option value="Xlink:DSSO[158] (K)">Xlink:DSSO[158] (K)</option>
      <option value="Xlink:DSSO[158] (Protein N-term)">Xlink:DSSO[158] (Protein N-term)</option>
      <option value="Xlink:DSSO[175] (K)">Xlink:DSSO[175] (K)</option>
      <option value="Xlink:DSSO[175] (Protein N-term)">Xlink:DSSO[175] (Protein N-term)</option>
      <option value="Xlink:DSSO[176] (K)">Xlink:DSSO[176] (K)</option>
      <option value="Xlink:DSSO[176] (Protein N-term)">Xlink:DSSO[176] (Protein N-term)</option>
      <option value="Xlink:DSSO[279] (K)">Xlink:DSSO[279] (K)</option>
      <option value="Xlink:DSSO[279] (Protein N-term)">Xlink:DSSO[279] (Protein N-term)</option>
      <option value="Xlink:DSSO[54] (K)">Xlink:DSSO[54] (K)</option>
      <option value="Xlink:DSSO[54] (Protein N-term)">Xlink:DSSO[54] (Protein N-term)</option>
      <option value="Xlink:DSSO[86] (K)">Xlink:DSSO[86] (K)</option>
      <option value="Xlink:DSSO[86] (Protein N-term)">Xlink:DSSO[86] (Protein N-term)</option>
      <option value="Xlink:DST[114] (K)">Xlink:DST[114] (K)</option>
      <option value="Xlink:DST[114] (Protein N-term)">Xlink:DST[114] (Protein N-term)</option>
      <option value="Xlink:DST[132] (K)">Xlink:DST[132] (K)</option>
      <option value="Xlink:DST[132] (Protein N-term)">Xlink:DST[132] (Protein N-term)</option>
      <option value="Xlink:DST[56] (K)">Xlink:DST[56] (K)</option>
      <option value="Xlink:DST[56] (Protein N-term)">Xlink:DST[56] (Protein N-term)</option>
      <option value="Xlink:DTBP[172] (K)">Xlink:DTBP[172] (K)</option>
      <option value="Xlink:DTBP[172] (Protein N-term)">Xlink:DTBP[172] (Protein N-term)</option>
      <option value="Xlink:DTBP[87] (K)">Xlink:DTBP[87] (K)</option>
      <option value="Xlink:DTBP[87] (Protein N-term)">Xlink:DTBP[87] (Protein N-term)</option>
      <option value="Xlink:DTSSP[174] (K)">Xlink:DTSSP[174] (K)</option>
      <option value="Xlink:DTSSP[174] (Protein N-term)">Xlink:DTSSP[174] (Protein N-term)</option>
      <option value="Xlink:DTSSP[192] (K)">Xlink:DTSSP[192] (K)</option>
      <option value="Xlink:DTSSP[192] (Protein N-term)">Xlink:DTSSP[192] (Protein N-term)</option>
      <option value="Xlink:DTSSP[88] (K)">Xlink:DTSSP[88] (K)</option>
      <option value="Xlink:DTSSP[88] (Protein N-term)">Xlink:DTSSP[88] (Protein N-term)</option>
      <option value="Xlink:EGS[115] (K)">Xlink:EGS[115] (K)</option>
      <option value="Xlink:EGS[115] (Protein N-term)">Xlink:EGS[115] (Protein N-term)</option>
      <option value="Xlink:EGS[226] (K)">Xlink:EGS[226] (K)</option>
      <option value="Xlink:EGS[226] (Protein N-term)">Xlink:EGS[226] (Protein N-term)</option>
      <option value="Xlink:EGS[244] (K)">Xlink:EGS[244] (K)</option>
      <option value="Xlink:EGS[244] (Protein N-term)">Xlink:EGS[244] (Protein N-term)</option>
      <option value="Xlink:SMCC[219] (C)">Xlink:SMCC[219] (C)</option>
      <option value="Xlink:SMCC[219] (K)">Xlink:SMCC[219] (K)</option>
      <option value="Xlink:SMCC[219] (Protein N-term)">Xlink:SMCC[219] (Protein N-term)</option>
      <option value="Xlink:SMCC[237] (C)">Xlink:SMCC[237] (C)</option>
      <option value="Xlink:SMCC[237] (K)">Xlink:SMCC[237] (K)</option>
      <option value="Xlink:SMCC[237] (Protein N-term)">Xlink:SMCC[237] (Protein N-term)</option>
      <option value="Xlink:SMCC[321] (C)">Xlink:SMCC[321] (C)</option>
      <option value="ZGB (K)">ZGB (K)</option>
      <option value="ZGB (N-term)">ZGB (N-term)</option>
      <option value="ZQG (K)">ZQG (K)</option>
      <expand macro="list_string_san" name="variable_modifications"/>
    </param>
    <param argument="-v" type="integer" optional="true" value="1" label="number of missed cleavages allowed" help=""/>
    <param argument="-enzyme" type="select" optional="true" label="The enzyme used for peptide digestion" help="">
      <option value="Trypsin" selected="true">Trypsin</option>
      <option value="Formic_acid">Formic_acid</option>
      <option value="Lys-C">Lys-C</option>
      <option value="glutamyl endopeptidase">glutamyl endopeptidase</option>
      <option value="Asp-N_ambic">Asp-N_ambic</option>
      <option value="Chymotrypsin">Chymotrypsin</option>
      <option value="Lys-C/P">Lys-C/P</option>
      <option value="Asp-N">Asp-N</option>
      <option value="CNBr">CNBr</option>
      <option value="PepsinA">PepsinA</option>
      <option value="TrypChymo">TrypChymo</option>
      <option value="Trypsin/P">Trypsin/P</option>
      <option value="Arg-C">Arg-C</option>
      <option value="no cleavage">no cleavage</option>
      <option value="unspecific cleavage">unspecific cleavage</option>
      <expand macro="list_string_san" name="enzyme"/>
    </param>
    <param argument="-hl" type="integer" optional="true" value="30" label="maximum number of hits retained for one spectrum" help="Note: even when set to 1 OMSSA may report multiple hits with different charge states"/>
    <param argument="-he" type="float" optional="true" value="1000.0" label="the maximum e-value allowed in the hit list" help="If you set this parameter too small (e.g., he=1), this will effectively introduce FDR filtering. Thus, allowing a less stringent FDR during post-processing will nevertheless return the (better) FDR introduced here, since mediocre hits are not even reported"/>
    <expand macro="adv_opts_macro">
      <param argument="-pc" type="integer" optional="true" value="1" label="The number of pseudocounts to add to each precursor mass bin" help=""/>
      <param argument="-hs" type="integer" optional="true" value="4" label="the minimum number of m/z values a spectrum must have to be searched" help=""/>
      <param argument="-tez" type="integer" optional="true" value="1" label="scaling of precursor mass tolerance with charge (0 = none, 1= linear)" help=""/>
      <param argument="-tom" type="integer" optional="true" value="0" label="product ion search type, with 0 = monoisotopic, 1 = average, 2 = monoisotopic N15, 3 = exact" help=""/>
      <param argument="-tem" type="integer" optional="true" value="0" label="precursor ion search type, with 0 = monoisotopic, 1 = average, 2 = monoisotopic N15, 3 = exact" help=""/>
      <param argument="-tex" type="float" optional="true" value="1446.94" label="threshold in Da above which the mass of a neutron should be added in an exact mass search" help=""/>
      <param argument="-zt" type="integer" optional="true" value="3" label="minimum precursor charge to start considering multiply charged products" help=""/>
      <param argument="-z1" type="float" optional="true" value="0.95" label="the fraction of peaks below the precursor used to determine if the spectrum is charge +1" help=""/>
      <param argument="-zc" type="integer" optional="true" value="1" label="should charge +1 be determined algorithmically (1=yes)" help=""/>
      <param argument="-zcc" type="integer" optional="true" value="2" label="how should precursor charges be determined" help="(1=believe the input file,2=use the specified range)"/>
      <param argument="-zoh" type="integer" optional="true" value="2" label="set the maximum product charge to search" help=""/>
      <param argument="-no" type="integer" optional="true" value="4" label="minimum size of peptides for no-enzyme and semi-tryptic searches" help=""/>
      <param argument="-nox" type="integer" optional="true" value="40" label="maximum size of peptides for no-enzyme and semi-tryptic searches" help=""/>
      <param argument="-i" type="text" optional="true" value="1,4" label="comma delimited list of id numbers of ions to search" help="">
        <expand macro="list_string_san" name="i"/>
      </param>
      <param argument="-sp" type="integer" optional="true" value="100" label="number of product ions to search" help=""/>
      <param argument="-sb1" type="integer" optional="true" value="1" label="should first forward" help="(e.g. b1) product ions be searched (1 = no, 0 = yes)"/>
      <param argument="-sct" type="integer" optional="true" value="0" label="should c terminus ions" help="(e.g. y1) be searched (1 = no, 0 = yes)"/>
      <param argument="-x" type="text" optional="true" value="0" label="comma delimited list of NCBI taxonomy ids to search (0 = all" help="This is the default)">
        <expand macro="list_string_san" name="x"/>
      </param>
      <param argument="-hm" type="integer" optional="true" value="2" label="the minimum number of m/z matches a sequence library peptide must have for the hit to the peptide to be recorded" help=""/>
      <param argument="-ht" type="integer" optional="true" value="6" label="number of m/z values corresponding to the most intense peaks that must include one match to the theoretical peptide" help=""/>
      <param argument="-mm" type="integer" optional="true" value="128" label="the maximum number of mass ladders to generate per database peptide" help=""/>
      <param argument="-mnm" type="boolean" truevalue="true" falsevalue="false" checked="false" label="n-term methionine should not be cleaved" help=""/>
      <param argument="-is" type="float" optional="true" value="0.0" label="evalue threshold to include a sequence in the iterative search, 0 = all" help=""/>
      <param argument="-ir" type="float" optional="true" value="0.0" label="evalue threshold to replace a hit, 0 = only if bette" help=""/>
      <param argument="-ii" type="float" optional="true" value="0.0" label="evalue threshold to iteratively search a spectrum again, 0 = always" help=""/>
      <param argument="-chunk_size" type="integer" optional="true" value="0" label="Number of spectra to submit in one chunk to OMSSA" help="Chunks with more than 30k spectra will likely cause memory allocation issues with 32bit OMSSA versions (which is usually the case on Windows). To disable chunking (i.e. submit all spectra in one big chunk), set it to '0'"/>
      <param argument="-force" type="boolean" truevalue="true" falsevalue="false" checked="false" label="Overrides tool-specific checks" help=""/>
      <param argument="-test" type="hidden" optional="true" value="False" label="Enables the test mode (needed for internal use only)" help="">
        <expand macro="list_string_san" name="test"/>
      </param>
    </expand>
    <param name="OPTIONAL_OUTPUTS" type="select" optional="true" multiple="true" label="Optional outputs">
      <option value="ctd_out_FLAG">Output used ctd (ini) configuration file</option>
    </param>
  </inputs>
  <outputs>
    <data name="out" label="${tool.name} on ${on_string}: out" format="idxml"/>
    <data name="ctd_out" format="xml" label="${tool.name} on ${on_string}: ctd">
      <filter>OPTIONAL_OUTPUTS is not None and "ctd_out_FLAG" in OPTIONAL_OUTPUTS</filter>
    </data>
  </outputs>
  <tests><!-- TOPP_OMSSAAdapter_1 -->
    <test expect_num_outputs="2">
      <section name="adv_opts">
        <param name="pc" value="1"/>
        <param name="hs" value="4"/>
        <param name="tez" value="1"/>
        <param name="tom" value="0"/>
        <param name="tem" value="0"/>
        <param name="tex" value="1446.94"/>
        <param name="zt" value="3"/>
        <param name="z1" value="0.95"/>
        <param name="zc" value="1"/>
        <param name="zcc" value="2"/>
        <param name="zoh" value="2"/>
        <param name="no" value="4"/>
        <param name="nox" value="40"/>
        <param name="i" value="1,4"/>
        <param name="sp" value="100"/>
        <param name="sb1" value="1"/>
        <param name="sct" value="0"/>
        <param name="x" value="0"/>
        <param name="hm" value="2"/>
        <param name="ht" value="6"/>
        <param name="mm" value="128"/>
        <param name="mnm" value="false"/>
        <param name="is" value="0.0"/>
        <param name="ir" value="0.0"/>
        <param name="ii" value="0.0"/>
        <param name="chunk_size" value="0"/>
        <param name="force" value="false"/>
        <param name="test" value="true"/>
      </section>
      <param name="in" value="spectra.mzML"/>
      <output name="out" file="OMSSAAdapter_1_out.idXML" compare="sim_size" delta_frac="0.7" ftype="idxml"/>
      <param name="precursor_mass_tolerance" value="5.0"/>
      <param name="precursor_error_units" value="ppm"/>
      <param name="fragment_mass_tolerance" value="0.3"/>
      <param name="database" value="proteins.fasta"/>
      <param name="min_precursor_charge" value="1"/>
      <param name="max_precursor_charge" value="3"/>
      <param name="fixed_modifications"/>
      <param name="variable_modifications" value="Oxidation (M)"/>
      <param name="v" value="1"/>
      <param name="enzyme" value="Trypsin"/>
      <param name="hl" value="30"/>
      <param name="he" value="1.0"/>
      <param name="OPTIONAL_OUTPUTS" value="ctd_out_FLAG"/>
      <output name="ctd_out" ftype="xml">
        <assert_contents>
          <is_valid_xml/>
        </assert_contents>
      </output>
    </test>
  </tests>
  <help><![CDATA[Annotates MS/MS spectra using OMSSA.


For more information, visit http://www.openms.de/doxygen/release/2.8.0/html/TOPP_OMSSAAdapter.html]]></help>
  <expand macro="references"/>
</tool>