IUBMB Enzyme Nomenclature


Accepted name: chorismate dehydratase

Reaction: chorismate = 3-[(1-carboxyvinyl)oxy]benzoate + H2O

For diagram of reaction click here.

Other name(s): MqnA

Systematic name: chorismate hydro-lyase (3-[(1-carboxyvinyl)oxy]benzoate-forming)

Comments: The enzyme, found in several bacterial species, is part of the futalosine pathway for menaquinone biosynthesis.

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


1. Mahanta, N., Fedoseyenko, D., Dairi, T. and Begley, T.P. Menaquinone biosynthesis: formation of aminofutalosine requires a unique radical SAM enzyme. J. Am. Chem. Soc. 135 (2013) 15318-15321. [PMID: 24083939]

[EC created 2014]

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