IUBMB Enzyme Nomenclature

EC 3.4.21.9

Accepted name: enteropeptidase

Reaction: Activation of trypsinogen by selective cleavage of Lys6Ile bond

Other names: enterokinase

Comments: Is not inhibited by protein inhibitors of trypsin. In peptidase family S1 (trypsin family). Formerly EC 3.4.4.8

Links to other databases: BRENDA, EXPASY, KEGG, MEROPS, Metacyc, PDB, CAS registry number: 9014-74-8

References

1. Light, A. and Janska, H. Enterokinase (enteropeptidase): comparative aspects. Trends Biochem. Sci. 14 (1989) 110-112. [PMID: 2658218]

[EC 3.4.21.9 created 1961 as EC 3.4.4.8, transferred 1972 to EC 3.4.21.9]

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