1.14.13.29 4-nitrophenol + NADH + H+ + O2 = 4-nitrocatechol + NAD+ + H2O - - 1.14.13.29 4-nitrophenol + NADH + H+ + O2 = 4-nitrocatechol + NAD+ + H2O proposed catalytic mechanism of PNP 2-monooxygenase, PnpA1, overview -, 763974