IUBMB Enzyme Nomenclature


Accepted name: carboxypeptidase D

Reaction: Preferential release of a C-terminal arginine or lysine residue

Other name(s): cereal serine carboxypeptidase II; Saccharomyces cerevisiae KEX1 gene product; carboxypeptidase Kex1; gene KEX1 serine carboxypeptidase; KEX1 carboxypeptidase; KEX1 proteinase; KEX1DELTAp; CPDW-II; serine carboxypeptidase (misleading); Phaseolus proteinase

Comments: A carboxypeptidase with optimum pH 4.5-6.0, inhibited by diisopropyl fluorophosphate, and sensitive to thiol-blocking reagents (reviewed in [1]). In peptidase family S10 (carboxypeptidase C family).

Links to other databases: BRENDA, EXPASY, KEGG, MEROPS, Metacyc, PDB, CAS registry number: 153967-26-1


1. Breddam, K. Serine carboxypeptidases. A review. Carlsberg Res. Commun. 51 (1986) 83-128.

2. Breddam, K., Sørensen, S.B. and Svendsen, I. Primary structure and enzymatic properties of carboxypeptidase II from wheat bran. Carlsberg Res. Commun. 52 (1987) 297-311.

3. Dmochowska, A., Dignard, D., Henning, D., Thomas, D.Y. and Bussey, H. Yeast KEX1 gene encodes a putative protease with a carboxypeptidase B-like function involved in killer toxin and α-factor precursor processing. Cell 50 (1987) 573-584. [PMID: 3301004]

4. Liao, D.-I., Breddam, K., Sweet, R.M., Bullock, T. and Remington, S.J. Refined atomic model of wheat serine carboxypeptidase II at 2.2-Å resolution. Biochemistry 31 (1992) 9796-9812. [PMID: 1390755]

[EC created 1972 as EC, transferred 1978 to EC, part transferred 1993 to EC (EC created 1972 as EC, transferred 1978 to EC, transferred 1992 to EC, (EC created 1972, transferred 1978 to EC, modified 2011]

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