IUBMB Enzyme Nomenclature


Accepted name: prephenate dehydratase

Reaction: prephenate = phenylpyruvate + H2O + CO2

For diagram click here.

Other name(s): prephenate hydro-lyase (decarboxylating)

Systematic name: prephenate hydro-lyase (decarboxylating; phenylpyruvate-forming)

Comments: This enzyme in the enteric bacteria also possesses chorismate mutase (EC activity, and converts chorismate into prephenate.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 9044-88-6


1. Cerutti, P. and Guroff, G. Enzymatic formation of phenylpyruvic acid in Pseudomonas sp. (ATCC 11299A) and its regulation. J. Biol. Chem. 240 (1965) 3034-3048. [PMID: 14342329]

2. Cotton, R.G.H. and Gibson, F. The biosynthesis of phenylalanine and tyrosine; enzymes converting chorismic acid into prephenic acid and their relationships to prephenate dehydratase and prephenate dehydrogenase. Biochim. Biophys. Acta 100 (1965) 76-88.

3. Schmidt, J.C. and Zalkin, H. Chorismate mutase-prephenate dehydratase. Partial purification and properties of the enzyme from Salmonella typhimurium. Biochemistry 8 (1969) 174-181.

[EC created 1972]

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