IUBMB Enzyme Nomenclature


Accepted name: carboxypeptidase A

Reaction: Release of a C-terminal amino acid, but little or no action with -Asp, -Glu, -Arg, -Lys or -Pro

Other names: carboxypolypeptidase; pancreatic carboxypeptidase A; tissue carboxypeptidase A

Comments: A zinc enzyme formed from procarboxypeptidase A. Isolated from cattle, pig and dogfish pancreas, and other sources including mast cells [3] and skeletal muscle [4]. Type example of peptidase family M14. Formerly EC and EC

Links to other databases: BRENDA, EXPASY, GTD, KEGG, MEROPS, Metacyc, PDB, CAS registry number: 11075-17-5


1. Petra, P.H. Bovine procarboxypeptidase and carboxypeptidase A. Methods Enzymol. 19 (1970) 460-503

2. Reeck, G.R., Walsh, K.A. and Neurath, H. Isolation and characterization of carboxypeptidases A and B from activated pancreatic juice. Biochemistry 10 (1971) 4690-4698. [PMID: 5140186]

3. Everitt, M.T. and Neurath, H. Rat peritoneal mast cell carboxypeptidase: localization, purification and enzymatic properties. FEBS Lett. 110 (1980) 292-296. [PMID: 7371832]

4. Bodwell, J.E. and Meyer, W.L. Purification and characterization of carboxypeptidase A from rat skeletal muscle. Biochemistry 20 (1981) 2767-2777. [PMID: 7018567]

[EC created 1961 as EC, transferred 1972 to EC, transferred 1978 to EC]

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