Carbamidomethylation has a modification mass of 57.021464. To apply it to
each peptide's n-termini if that's your intent:
add_Nterm_peptide = 57.021464
This modification is commonly applied to cysteine residues:
add_C_cysteine = 57.021464
For methionine oxidation as a variable modificati
Hello,
i need to set these modification in Comet parameters: 1) fixed
modification: Carbamydomethyl (N-term); 2) variable modifications:
Oxidation (M); Deamidated (NQ).
Thank you for your help,
Francesco
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