IUBMB Enzyme Nomenclature


Accepted name: 3-hydroxybenzoate 4-monooxygenase

Reaction: 3-hydroxybenzoate + NADPH + H+ + O2 = 3,4-dihydroxybenzoate + NADP+ + H2O

Other name(s): 3-hydroxybenzoate 4-hydroxylase

Systematic name: 3-hydroxybenzoate,NADPH:oxygen oxidoreductase (4-hydroxylating)

Comments: A flavoprotein (FAD). Acts also on a number of analogues of 3-hydroxybenzoate substituted in the 2, 4, 5 and 6 positions. Formerly EC

Links to other databases: BRENDA, EAWAG-BBD, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 37256-76-1


1. Michalover, J.L. and Ribbons, D.W. 3-Hydroxybenzoate 4-hydroxylase from Pseudomonas testosteroni. Biochem. Biophys. Res. Commun. 55 (1973) 888-896. [PMID: 4148586]

2. Premkumar, R., Subba Rao, P.V., Streeleela, N.S. and Vaidyanathan, C.S. m-Hydroxybenzoic acid 4-hydroxylase from Aspergillus niger. Can. J. Biochem. 47 (1969) 825-827. [PMID: 4390252]

[EC created 1972 as EC, transferred 1984 to EC]

Return to EC 1.14.13 home page
Return to EC 1.14 home page
Return to EC 1 home page
Return to Enzymes home page
Return to IUBMB Biochemical Nomenclature home page