Peptide Mass Calculator v3.2
Note :
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Sequence (C-terminal -> N-terminal):
N-terminal group:
free amine
acetyl
formyl
pyroglutamate
other ------->
C-terminal group:
acid
amide
other ------->
User defined residues:
1:
5:
2:
6:
3:
7:
4:
8:
Calculate
molecular mass
[M+H]+
ES series positive mode
ES series negative mode
using
average masses
monoisotopic masses
Note:
Use one-character symbols for amino acids (V = valine, ...) or enter a user-defined residue (numbers 1-8). For N- and C-terminal groups: see predefined list, or select [other] and enter a mass.
written by Jef Rozenski (1999)