cleave,
  cleavageRanges and
  cleavageSites.
| Package: | 
| cleaver | 
| License: | 
| GPL (>= 3) | 
| URL: | 
| https://github.com/sgibb/cleaver/ | 
Gasteiger E., Hoogland C., Gattiker A., Duvaud S., Wilkins M.R., Appel R.D., Bairoch A.; "Protein Identification and Analysis Tools on the ExPASy Server". (In) John M. Walker (ed): The Proteomics Protocols Handbook, Humana Press (2005). http://web.expasy.org/peptide_cutter/peptidecutter_enzymes.html
cleave, cleavageRanges and
  cleavageSites.