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Catalysis of the hydrolysis of a tripeptide. Catalysis of the hydrolysis of a dipeptide. Catalysis of the hydrolysis of peptide bonds formed between L-amino acids. Catalysis of the hydrolysis of N-terminal amino acid residues from in a polypeptide chain. Catalysis of the hydrolysis of a peptide bond not more than three residues from the N- or C-terminus of a polypeptide chain by a mechanism in which water acts as a nucleophile, one or two metal ions hold the water molecule in place, and charged amino acid side chains are ligands for the metal ions. Catalysis of the hydrolysis of the terminal or penultimate peptide bond at the C-terminal end of a peptide or polypeptide. Catalysis of the release of C-terminal dipeptides from a polypeptide chain. Catalysis of the release of an N-terminal tripeptide from a polypeptide. 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 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 removal of terminal peptide residues that are substituted, cyclized or linked by isopeptide bonds (peptide linkages other than those of alpha-carboxyl to alpha-amino groups). Catalysis of the hydrolysis of N-terminal dipeptides from a polypeptide chain. Catalysis of the hydrolysis of a peptide bond not more than three residues from the N- or C-terminus of a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine). Catalysis of the hydrolysis of a peptide bond not more than three residues from the N- or C-terminus of a polypeptide chain, in a reaction that requires a free N-terminal amino group, C-terminal carboxyl group or both.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: exopeptidase activity
Acc: GO:0008238
Aspect: Molecular Function
Desc: Catalysis of the hydrolysis of a peptide bond not more than three residues from the N- or C-terminus of a polypeptide chain, in a reaction that requires a free N-terminal amino group, C-terminal carboxyl group or both.
Synonyms:
  • exoprotease activity
Proteins in PDR annotated with:
   This term: 3 [Search]
   Term or descendants: 598 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0008238 - exopeptidase activity (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle