4-nitrocatechol 4-monooxygenase activity
Catalysis of the reaction: 4-nitrocatechol + NAD(P)H + O2 = 2-hydroxy-1,4-benzoquinone + nitrite + NAD(P)+ + H2O.
GO:0016709
oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of one atom of oxygen
is_a