KEGG   ENZYME: 3.4.23.2Help
Entry
EC 3.4.23.2                 Enzyme                                 

Name
pepsin B;
parapepsin I;
pig gelatinase
Class
Hydrolases;
Acting on peptide bonds (peptidases);
Aspartic endopeptidases
BRITE hierarchy
Reaction(IUBMB)
Degradation of gelatin; little activity on hemoglobin. Specificity on B chain of insulin more restricted than that of pepsin A; does not cleave at Phe1-Val, Gln4-His or Gly23-Phe
Comment
Formed from pig pepsinogen B. In peptidase family A1 (pepsin A family)
History
EC 3.4.23.2 created 1961 as EC 3.4.4.2, transferred 1972 to EC 3.4.23.2, modified 1986
Reference
1
  Authors
Ryle, A.P.
  Title
The porcine pepsins and pepsinogens.
  Journal
Methods Enzymol. 19 (1970) 316-336.
Other DBs
ExplorEnz - The Enzyme Database: 
IUBMB Enzyme Nomenclature: 
ExPASy - ENZYME nomenclature database: 
BRENDA, the Enzyme Database: 
CAS: 
9025-48-3

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