2-nitrophenol 2-monooxygenase

In enzymology, a 2-nitrophenol 2-monooxygenase (EC 1.14.13.31) is an enzyme that catalyzes the chemical reaction

2-nitrophenol + NADPH + H+ + O2 catechol + nitrite + NADP+ + H2O
2-nitrophenol 2-monooxygenase
Identifiers
EC number1.14.13.31
CAS number104520-84-5
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO

The 4 substrates of this enzyme are 2-nitrophenol, NADPH, H+, and O2, whereas its 4 products are catechol, nitrite, 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-nitrophenol,NADPH:oxygen 2-oxidoreductase (2-hydroxylating, nitrite-forming). Other names in common use include 2-nitrophenol oxygenase, and nitrophenol oxygenase.

References

    • Zeyer J, Kocher HP, Timmis KN (1986). "Influence of para-substituents on the oxidative metabolism of o-nitrophenols by Pseudomonas putida B2". Appl. Environ. Microbiol. 52 (2): 334–9. doi:10.1128/AEM.52.2.334-339.1986. PMC 203526. PMID 3752997.


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