IUBMB Enzyme Nomenclature


Accepted name: glutaryl-7-aminocephalosporanic-acid acylase

Reaction: (7R)-7-(4-carboxybutanamido)cephalosporanate + H2O = (7R)-7-aminocephalosporanate + glutarate

For diagram click here.

Other name(s): 7β-(4-carboxybutanamido)cephalosporanic acid acylase; cephalosporin C acylase; glutaryl-7-ACA acylase; CA; GCA; GA; cephalosporin acylase; glutaryl-7-aminocephalosporanic acid acylase; GL-7-ACA acylase

Systematic name: (7R)-7-(4-carboxybutanamido)cephalosporanate amidohydrolase

Comments: Forms 7-aminocephalosporanic acid, a key intermediate in the synthesis of cephem antibiotics. It reacts only weakly with cephalosporin C.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 56645-46-6


1. Ishii, Y., Saito, Y., Fujimura, T., Sasaki, H., Noguchi, Y., Yamada, H., Niwa, M. and Shimomura, K. High-level production, chemical modification and site-directed mutagenesis of a cephalosporin C acylase from Pseudomonas strain N176. Eur. J. Biochem. 230 (1995) 773-778. [PMID: 7607251]

2. Kinoshita, T., Tada, T., Saito, Y., Ishii, Y., Sato, A. and Murata, M. Crystallization and preliminary X-ray analysis of cephalosporin C acylase from Pseudomonas sp. strain N176. Acta Crystallogr. D Biol. Crystallogr. 56 (2000) 458-459. [PMID: 10739919]

3. Monti, D., Carrea, G., Riva, S., Baldaro, E. and Frare, G. Characterization of an industrial biocatalyst: immobilized glutaryl-7-ACA acylase. Biotechnol. Bioeng. 70 (2000) 239-244. [PMID: 10972935]

4. Kwon, T.H., Rhee, S., Lee, Y.S., Park, S.S. and Kim, K.H. Crystallization and preliminary X-ray diffraction analysis of glutaryl-7-aminocephalosporanic acid acylase from Pseudomonas sp. GK16. J. Struct. Biol. 131 (2000) 79-81. [PMID: 10945972]

5. Kim, Y., Yoon, K.-H., Khang, Y., Turley, S. and Hol, W.G.J. The 2.0 Å crystal structure of cephalosporin acylase. Structure Fold Des. 8 (2000) 1059-1068. [PMID: 11080627]

6. Huang, X., Zeng, R., Ding, X., Mao, X., Ding, Y., Rao, Z., Xie, Y., Jiang, W. and Zhao, G. Affinity alkylation of the Trp-B4 residue of the β-subunit of the glutaryl 7-aminocephalosporanic acid acylase of Pseudomonas sp. 130. J. Biol. Chem. 277 (2002) 10256-10264. [PMID: 11782466]

7. Kim, J.K., Yang, I.S., Rhee, S., Dauter, Z., Lee, Y.S., Park, S.S. and Kim, K.H. Crystal structures of glutaryl 7-aminocephalosporanic acid acylase: insight into autoproteolytic activation. Biochemistry 42 (2003) 4084-4093. [PMID: 12680762]

[EC created 2005]

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