2-oxoglutarate-dependent dioxygenase activity flavanone 3-dioxygenase activity https://github.com/geneontology/go-ontology/issues/28199 flavanone 3beta-hydroxylase activity flavanone,2-oxoglutarate:oxygen oxidoreductase (3-hydroxylating) Catalysis of the reaction: 2-oxoglutarate + a (2S)-flavan-4-one + O2 = a (2R,3R)-dihydroflavonol + CO2 + succinate. molecular_function flavanone synthase I activity RHEA:18621 naringenin 3-hydroxylase activity naringenin,2-oxoglutarate:oxygen oxidoreductase (3-hydroxylating) activity EC:1.14.11.9 MetaCyc:1.14.11.9-RXN naringenin 3-dioxygenase activity RHEA:61088 (2S)-flavanone 3-hydroxylase activity GO:0045486 RHEA:61084 flavanone 3-hydroxylase activity flavanone 3-beta-hydroxylase activity