ID 1.14.13.21 DE Flavonoid 3'-monooxygenase. AN Flavonoid 3'-hydroxylase. CA A flavonoid + NADPH + O(2) = a 3'-hydroxyflavonoid + NADP(+) + H(2)O. CC -!- Acts on a number of flavonoids, including naringenin and CC dihydrokaempferol. CC -!- Does not act on 4-coumarate or 4-coumaroyl-CoA. DR Q9SD85, F3PH_ARATH ; Q9SBQ9, F3PH_PETHY ; //