IUBMB Enzyme Nomenclature


Accepted name: 4-amino-4-deoxychorismate mutase

Reaction: 4-amino-4-deoxychorismate = 4-amino-4-deoxyprephenate

Other name(s): cmlD (gene name); papB (gene name)

Systematic name: 4-amino-4-deoxychorismate pyruvatemutase

Comments: The enzyme, characterized from the bacteria Streptomyces venezuelae and Streptomyces pristinaespiralis, participates in the biosynthesis of the antibiotics chloramphenicol and pristinamycin IA, respectively. cf. EC, chorismate mutase.

Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number:


1. Blanc, V., Gil, P., Bamas-Jacques, N., Lorenzon, S., Zagorec, M., Schleuniger, J., Bisch, D., Blanche, F., Debussche, L., Crouzet, J. and Thibaut, D. Identification and analysis of genes from Streptomyces pristinaespiralis encoding enzymes involved in the biosynthesis of the 4-dimethylamino-L-phenylalanine precursor of pristinamycin I. Mol. Microbiol. 23 (1997) 191-202. [PMID: 9044253]

2. He, J., Magarvey, N., Piraee, M. and Vining, L.C. The gene cluster for chloramphenicol biosynthesis in Streptomyces venezuelae ISP5230 includes novel shikimate pathway homologues and a monomodular non-ribosomal peptide synthetase gene. Microbiology 147 (2001) 2817-2829. [PMID: 11577160]

[EC created 2019]

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