2,4-dichlorophenol 6-monooxygenase

In enzymology, a 2,4-dichlorophenol 6-monooxygenase is an enzyme that catalyzes the chemical reaction

2,4-dichlorophenol + NADPH + H+ + O2 rightleftharpoons 3,5-dichlorocatechol + NADP+ + H2O

The 4 substrates of this enzyme are 2,4-dichlorophenol, NADPH, H+, and O2, whereas its 3 products are 3,5-dichlorocatechol, NADP+, and H2O.

This enzyme belongs to the family of oxidoreductases, specifically those acting on paired donors, with O2 as oxidant and incorporation or reduction of oxygen. The oxygen incorporated need not be derived from O2 with NADH or NADPH as one donor, and incorporation of one atom o oxygen into the other donor. The systematic name of this enzyme class is 2,4-dichlorophenol,NADPH:oxygen oxidoreductase (6-hydroxylating). Other names in common use include 2,4-dichlorophenol hydroxylase, and 2,4-dichlorophenol monooxygenase. This enzyme participates in 1,4-dichlorobenzene degradation. It employs one cofactor, FAD.


  • Beadle CA, Smith AR "The purification and properties of 2,4-dichlorophenol hydroxylase from a strain of Acinetobacter species". Eur. J. Biochem. 123 323–32.

External links

The CAS registry number for this enzyme class is .

Gene Ontology (GO) codes

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