part of flavonol synthase activity https://github.com/geneontology/go-ontology/issues/30193 https://github.com/geneontology/go-ontology/issues/31969 RHEA:21088 RHEA:61136 molecular_function GO:0045431 RHEA:61132 RHEA:61140 EC:1.14.20.6 flavonoid 2-oxoglutarate-dependent dioxygenase activity dihydroflavonol,2-oxoglutarate:oxygen oxidoreductase activity Catalysis of the reaction: a dihydroflavonol + 2-oxoglurate + O2 = a flavonol + succinate + CO2 + H2O. FLS activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, with 2-oxoglutarate as one donor, and the other dehydrogenated flavonol biosynthetic process