An entry is needed for the entity that is either a phosphotyrosine or a sulfotyrosine which cannot be differentiated in a mass spectrometry result.
Follow discussion on the related item "New entry for Ile, Leu and HydroxyPro Ambiguity"
https://sourceforge.net/tracker/?func=detail&atid=776607&aid=1774634&group\_id=65472
for consideration of how to represent the monoisotopic mass records in the entries for ambiguous structures and the possible introduction of a MassResLimit record.
An entry is needed for the entity that is either a phosphotyrosine or a sulfotyrosine which cannot be differentiated in a mass spectrometry result.
Follow discussion on the related item "New entry for Ile, Leu and HydroxyPro Ambiguity" https://sourceforge.net/tracker/?func=detail&atid=776607&aid=1774634&group\_id=65472 for consideration of how to represent the monoisotopic mass records in the entries for ambiguous structures and the possible introduction of a MassResLimit record.
Reported by: jsgaravelli