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 5-O-(4-coumaroyl)-D-quinate 3'-monooxygenase activity https://github.com/geneontology/go-ontology/issues/30193 EC:1.14.14.96 GO:0047083 RHEA:16265 coumaroylquinate(coumaroylshikimate) 3'-monooxygenase activity trans-5-O-(4-coumaroyl)-D-quinate,NADPH:oxygen oxidoreductase (3'-hydroxylating) MetaCyc:1.14.13.36-RXN molecular_function 5-O-(4-coumaroyl)-D-quinate/shikimate 3'-hydroxylase activity Catalysis of the reaction: O2 + NADPH + H+ + trans-5-O-(4-coumaroyl)-D-quinate = H2O + NADP+ + trans-5-O-caffeoyl-D-quinate.