New Modification

Type

The type of ptm has to be specified according to OMSSA standards:


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Name

The name of the ptm should be unique and not contain '_'.

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Mass

Please type here the monoisotopic mass of the modification. Average mass is currently not supported. If needed, please contact the developers.

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Residues

For some types of modification, it is necessary to specify the amino acids concerned by the modification. Please type the single letter coded amino-acids separated by a comma (for example: "S, T, Y").

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PSI-MOD Mapping

If the search results are to be later opened in PeptideShaker and then submitted to PRIDE it is recommended to map the user defined modifications to the standard PSI-MOD modifications. This ensures that the given modification is understood in the same way by all users.

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