4-hydroxybenzoate 3-monooxygenase (NADH) activity
4-hydroxybenzoate 3-monooxygenase (nadh) activity
4-hydroxybenzoate + NADH + O2 + H(+) = 3,4-dihydroxybenzoate + NAD(+) + H2O
4-hydroxybenzoate + nadh + o2 + h(+) = 3,4-dihydroxybenzoate + nad(+) + h2o