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Catalysis of the hydrolysis of peptide or isopeptide bonds within small proteins such as ubiquitin or ubiquitin-like proteins (e.g. APG8, ISG15, NEDD8, SUMO), or between the small protein and a larger protein to which it has been conjugated. Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a mechanism in which the sulfhydryl group of a cysteine residue at the active center acts as a nucleophile. Catalysis of the hydrolysis of peptide bonds formed between L-amino acids. Catalysis of the hydrolysis of C- or N-terminal peptide bonds in a polypeptide chain by a mechanism in which the sulfhydryl group of a cysteine residue at the active center acts as a nucleophile. Catalysis of the hydrolysis of a peptide bond. A peptide bond is a covalent bond formed when the carbon atom from the carboxyl group of one amino acid shares electrons with the nitrogen atom from the amino group of a second amino acid. Catalysis of the hydrolysis of peptide bonds in a polypeptide chain by a mechanism in which the sulfhydryl group of a cysteine residue at the active center acts as a nucleophile.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: cysteine-type peptidase activity
Acc: GO:0008234
Aspect: Molecular Function
Desc: Catalysis of the hydrolysis of peptide bonds in a polypeptide chain by a mechanism in which the sulfhydryl group of a cysteine residue at the active center acts as a nucleophile.
Synonyms:
  • thiol protease activity
  • GO:0004220
  • cysteine protease activity
Proteins in PDR annotated with:
   This term: 407 [Search]
   Term or descendants: 732 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0008234 - cysteine-type peptidase activity (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle