ID 1.14.11.9 DE flavanone 3-dioxygenase. AN (2S)-flavanone 3-hydroxylase. AN flavanone 3beta-hydroxylase. AN flavanone 3-hydroxylase. AN flavanone synthase I. AN naringenin 3-dioxygenase. AN naringenin 3-hydroxylase. CA 2-oxoglutarate + a (2S)-flavan-4-one + O2 = a (2R,3R)-dihydroflavonol + CA CO2 + succinate. CC -!- This plant enzyme catalyzes an early step in the flavonoid CC biosynthesis pathway, leading to the production of flavanols and CC anthocyanins. CC -!- Substrates include (2S)-naringenin, (2S)-eriodictyol, (2S)- CC dihydrotricetin and (2S)-pinocembrin. CC -!- Some enzymes are bifuctional and also catalyze EC 1.14.20.6. DR A0A4D6Q9B0, FL3H1_CROXC; Q7XM21, FL3H1_ORYSJ; A0A4D6Q4T7, FL3H2_CROXC; DR Q8W2X5, FL3H2_ORYSJ; Q7XR84, FL3H3_ORYSJ; Q9S818, FL3H_ARATH ; DR Q05963, FL3H_CALCH ; Q05964, FL3H_DIACA ; P28038, FL3H_HORVU ; DR Q06942, FL3H_MALDO ; Q05965, FL3H_MATIN ; Q7XZQ7, FL3H_PETCR ; DR Q07353, FL3H_PETHY ; P41090, FL3H_VITVI ; Q96330, FLS1_ARATH ; DR Q9ZWQ9, FLS_CITUN ; Q9M547, FLS_EUSER ; Q9XHG2, FLS_MALDO ; DR O04395, FLS_MATIN ; Q7XZQ6, FLS_PETCR ; Q07512, FLS_PETHY ; DR Q41452, FLS_SOLTU ; //