PROTEOMICS TOOLKIT

Fragment Ion Calculator

The calculator takes protein sequences in single-letter code (not including ambiguous amino acids).
Each sequence should be written on its own line.
Whitespace and numbers are ignored within the sequence.

Peptide Sequence

`Peptide:` PEPTIDE		Mass type: MONO AVG		Charge state: +1 +2 +3		Ion types: A X B Y C Z

`Add to N- or C-terminus:`		`N-terminus`	`C-terminus`
Add to all AA residues and/or specific location: e.g. C 57.0 3 80.0 (add +57 to all Cys and add +80 to 3rd AA residue)		`AA or Pos`	`Value`

Fragment Ion Calculator

Peptide Sequence

Modifications (optional)