Filter DTASelect output files to remove peptides with N+3 and/or N+203 modifications that are not located at the motif (N-X-S/T, X can be any amino acid residue except proline).
Filter DTASelect output files to remove peptides with N+3 and/or N+203 modifications that are not located at the motif (N-X-S/T, X can be any amino acid residue except proline).