What it does

Splits long sequences with runs of Ns

>test
AACTGATCGATCGATCGNNNNNNNNNNNACATG

This will be split into the component sequences without the ambiguity.

>test:1-17
AACTGATCGATCGATCG
>test:29-33
ACATG

Attribution

This Galaxy tool relies on the seqtk toolkit from lh3/seqtk, developed by Heng Li at the Broad Institute