3-(3-hydroxyphenyl)propionate hydroxylase activity
Catalysis of the reaction: 3-(3-hydroxyphenyl)propionate + NADH + oxygen + H+ = 3-(2,3-dihydroxyphenyl)propionate + NAD+ + 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