IUBMB Enzyme Nomenclature


Accepted name: 4-sulfobenzoate 3,4-dioxygenase

Reaction: 4-sulfobenzoate + NADH + H+ + O2 = 3,4-dihydroxybenzoate + sulfite + NAD+

For diagram click here.

Other name(s): 4-sulfobenzoate dioxygenase; 4-sulfobenzoate 3,4-dioxygenase system

Systematic name: 4-sulfobenzoate,NADH:oxygen oxidoreductase (3,4-hydroxylating, sulfite-forming)

Comments: A system, containing a reductase which is an iron-sulfur flavoprotein (FMN), an iron-sulfur oxygenase, and no independent ferredoxin. Requires Fe2+.

Links to other databases: BRENDA, EAWAG-BBD, EXPASY, KEGG, Metacyc, CAS registry number: 122933-81-7


1. Locher, H.H., Leisinger, T. and Cook, A.M. 4-Sulphobenzoate 3,4-dioxygenase. Purification and properties of a desulphonative two-component enzyme system from Comamonas testosteroni T-2. Biochem. J. 274 (1991) 833-842. [PMID: 2012609]

[EC created 1992]

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