dibenzofuran 4,4a-dioxygenase activity
Catalysis of the reaction: dibenzofuran + NADH + H+ + O2 = 2,2',3-trihydroxybiphenyl + NAD+.
GO:0016708
oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of two atoms of oxygen into one donor
is_a