Enzyme
Requires Fe2+ and ascorbate. This plant enzyme catalyses an early step in the flavonoid biosynthesis pathway, leading to the production of flavanols and anthocyanins. Substrates include (2S)-naringenin, (2S)-eriodictyol, (2S)-dihydrotricetin and (2S)-pinocembrin. Some enzymes are bifuctional and also catalyse EC 1.14.20.6, flavonol synthase.
F3H
Enzyme
Flavanone 3-hydroxylase
Enzyme name
EC:1.14.11.9
Entry
Oxidoreductases;Acting on paired donors, with incorporation or reduction of molecular oxygen;With 2-oxoglutarate as one donor, and incorporation of one atom of oxygen into each donor
Class
(2S)-flavan-4-one,2-oxoglutarate:oxygen oxidoreductase (3-hydroxylating)
Sysname
a (2S)-flavan-4-one + 2-oxoglutarate + O2 = a (2R,3R)-dihydroflavonol + succinate + CO2 [RN:R07329]
Reaction
(2R,3R)-dihydroflavonol [CPD:C21417];succinate [CPD:C00042];CO2 [CPD:C00011]
Product

Species information
Kingdonia uniflora
Species name
Kingdonia uniflora is a species of flowering plant in the family Circaeasteraceae.
Species info

Gene sequence info
Kingdonia_uniflora.F3H.fa
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>rna-gnl|WGS:JACGCM|KingUnif30235.1
MEKGPSTLTALVEEKTLRKNFVRDEDERPKVAYNNFSSEIPVISLAGIDETEGRRGEICKKIVEACEGWGVFQVVDHGVDTSLITEMTRLAREFFALPPQEKLKFDMTGGKKGGFIVSSHLQGEAVQDWREIVTYFSYPIRTRDYSRWPNKPEGWLDATKDYSEKLMGLACKLLEVLSEAMDLEKDALTKACVDMDQKVVVNFYPKCPQPDLTLGLKRHTDPGTITLLLQDQVGGLQATRDDGRTWITVQPVEGAFVVNLGDHGHYLSNGRFKNADHQAVVNSNYSRLSIATFQNPAPDATVYPLRIRDGEKSILDKPITFVEMYKRKMTGDIERAKLKKLAKEKVAKDLEKNILEAEPVTPIALEKILA
>rna-gnl|WGS:JACGCM|KingUnif19080.1
MKLNSLNVAQTEARGRLSSYTFTCAYRYNNRKGKATKLTKEIVMEKGPSTLTALVEEKTLRKNFVRDEDERPKVAYNNFSSEIPVISLAGIDETEGRRGEICKKIVEACEGWGVFQVVDHGVDTSLTMEMTCLAREFFDLPPQEKLKFDMTGGKKGGFIVSSHLQGESVQDWREIVTYFSYPIRTRDYSRWPNKPEGWLDATKDYSEKLMGLACKLLEVLSEAMDLEKDALTKACVDMDQKVVVNFYPKCPQPDLTLGLKRHTDPGTITLLLQDQVGGLQATRDDGRTWITVQPVEGAFVVNLGDHGHYLSNGRFKNADHQAVVNSNYSRLSIATFQNPAPDATVYPLRIRDGEKSILDKPITFAEMYKRKMTGDIERAKLKKLAKEKVAQDLEKNILEAEPVTPIALEKILA
>rna-gnl|WGS:JACGCM|KingUnif24704.1
GKSSVKLDSLNVALTEARGRLSSYTFTYAYKYNNKKGKATKLTKEIVMEKGPSTLTALVEEKTLRKNFVRDEDERPKVAYNNFSSEIPVISLAGIDETEGRRGEICKKIVEACEGWGVFQVVDHGVDTSLITEMTRLAREFFALPPQEKLKFDMTGGKKGGFIVSSHLQGEAVQDWREIVTYFSYPIRTRDYSRWPNKPEGWLDATKDYSEKLMGLACKLLEVLSEAMDLEKDALTKACVDMDQKVVVNFYPKCPQPDLTLGLKRHTDPGTITLLLQDQVGGLQATRDDGRTWITVQPVEGAFVVNLGDHGHYLSNGRFKNADHQAVVNSNYSRLSIATFQNPAPDATVYPLRIRDGEKSILDKPITFVEMYKRKMTGDIERAKLKKLAKEKVAKDLEKNILEAEPVTPIALEKIWHNYFSTFYALISVVFTDLWLLSKYNYLQILLF
>rna-gnl|WGS:JACGCM|KingUnif27958.1
MTRLAREFFALPPQEKLKFDMTGGKKGGFIVSSHLQGEAVQDWREIVTYFSYPIRTRDYSRWPNKPEGWLDATKDYSEKLMGLACKLLEVLSEAMDLEKDALTKACVDMDQKVVVNFYPKCPQPDLTLGLKRHTDPGTITLLLQDQVGGLQATRDDGRTWITVQPVEGAFVVNLGDHGHYLSNGRFKNADHQAVVNSNYSRLSIATFQNPAPDATVYPLRIRDGEKSILDKPITFAEMYKRKMTGDIERAKLKKLAKEKVAQDLEKNILEAEPVTPIALEKILA
>rna-gnl|WGS:JACGCM|KingUnif26842.1
MAPVPAQAPSTLTAIVEEKTLRQSFVRDEDERPKVAYNNFSSEIPVISLAGIDETEGRRAEICKKIVEACEDWGVFQVVDHGVDTTLITEMTRLAREFFALPPEEKLKFDMTGKKGGFIVSSHLQGEAVQDWREIVTYFSYPIRTRDYSRWPNNPEGWLDATKDYSEKLMGLACKLLEVLSEAMDLDKEALTKACVDMDQKVVVNFYPKCPQPDLTLGLKRHTDPGTITLLLQDQVGGLQATRDDGKTWITVQPVEGAFVVNLGDHGHYLSNGRFKNADHQAVVNSNYSRLSIATFQNPAPDATVYPLKIREGEKSILEEPITFAEMYKRKMSGDIERAKLKKLAKEQLKQVEQDLEKTKLEALETVLA
>rna-gnl|WGS:JACGCM|KingUnif08832.1
MASTPAQAPSTLTAIVEEKTLRQSFIRDEDERPKVAYNNFSSEIPVISLAGIDETEGRRAEICKKIVEACEDWGVFQVVDHGVDTTLITEMTRLAREFFALPPEEKLKFDMTGKKGGFIVSSHLQGEAVQDWREIVTYFSYPIRTRDYSRWPNNPEGWLDATKDYSEKLMGLACKLLEVLSEAMDLDKEALTKACVDMDQKVVVNFYPKCPQPDLTLGLKRHTDPGTITLLLQDQVGGLQATRDDGKTWITVQPVEGAFVVNLGDHGHYLSNGRFKNADHQAVVNSNYSRLSIATFQNPAPDATVYPLKIREGEKSILEEPITFAEMYKRKMSGDIERAKLKKLAKEQLKQVEQDLEKTKLEALETVLA
>rna-gnl|WGS:JACGCM|KingUnif20627.1
MTLNLSSKSFLPHSEFPSVPKVQISVRNFTNMHRVLASARTDTVKSVTTLTAIAEEKTLRENFIRDEDERPKVAYNNFSNEIPVLSLSGIDEHGGRRSEICKKIVDACEDWGVFQVVDHGIDLSLISEMTHLAREFFALPPEEKLKLAMSPGKKGSFIVSSHLQGEAVQDWREMMTYFSYPIPTRDYSRWPKNPEGWLETTKTYSEKLMGLACKLLEVLSEAMDLDKEALVKACIDMDQKLVVNFYPKCPQPDLTLGLKRHTDPGTITLLLQDQVGGLQATRDGGKSWITVKPVEGAFVVNLGDHGHYLSNGRFKNADHQAVVNYNYSRLSIATFQNPAPDAIVYPLKIREGEKSILDTPMTFAEMYKKKMTGDIDRSKLKKLAKEFEKITPKA
>rna-gnl|WGS:JACGCM|KingUnif26184.1
MEKGPSTLTALVVEKTLRKNFVRDEDERPKVAYNNFSSEIPVISLAGIDETEGRRGEICKKIVEACEGWGVFQVVDHGVDTSLITEMARLAREFFALPPEEKLKFDMTGGKKGGFIVSSHLQGEAVQDWREIMTYFSYPIRTRDYSRWPNKPEGWLDATKDYSEKLMGLACKLLEVLSEAMDLEKDSLTKACVDMDQKVVVNFYPKCPQPDLTLGLKRHTDPGTITLLLQDQVGGLQATRDDGRTWITVQPVEGAFVVNLGDHGHYLSNGRFKNADHQAVVNSNYSRLSIATFQNPAPDAAVYPLRIRDGEKSILDKPITFAEMYKRKMTGDIERGKLKKLAKEKVAQDLEKNIPVTPIALEKILT
MEKGPSTLTALVEEKTLRKNFVRDEDERPKVAYNNFSSEIPVISLAGIDETEGRRGEICKKIVEACEGWGVFQVVDHGVDTSLITEMTRLAREFFALPPQEKLKFDMTGGKKGGFIVSSHLQGEAVQDWREIVTYFSYPIRTRDYSRWPNKPEGWLDATKDYSEKLMGLACKLLEVLSEAMDLEKDALTKACVDMDQKVVVNFYPKCPQPDLTLGLKRHTDPGTITLLLQDQVGGLQATRDDGRTWITVQPVEGAFVVNLGDHGHYLSNGRFKNADHQAVVNSNYSRLSIATFQNPAPDATVYPLRIRDGEKSILDKPITFVEMYKRKMTGDIERAKLKKLAKEKVAKDLEKNILEAEPVTPIALEKILA
>rna-gnl|WGS:JACGCM|KingUnif19080.1
MKLNSLNVAQTEARGRLSSYTFTCAYRYNNRKGKATKLTKEIVMEKGPSTLTALVEEKTLRKNFVRDEDERPKVAYNNFSSEIPVISLAGIDETEGRRGEICKKIVEACEGWGVFQVVDHGVDTSLTMEMTCLAREFFDLPPQEKLKFDMTGGKKGGFIVSSHLQGESVQDWREIVTYFSYPIRTRDYSRWPNKPEGWLDATKDYSEKLMGLACKLLEVLSEAMDLEKDALTKACVDMDQKVVVNFYPKCPQPDLTLGLKRHTDPGTITLLLQDQVGGLQATRDDGRTWITVQPVEGAFVVNLGDHGHYLSNGRFKNADHQAVVNSNYSRLSIATFQNPAPDATVYPLRIRDGEKSILDKPITFAEMYKRKMTGDIERAKLKKLAKEKVAQDLEKNILEAEPVTPIALEKILA
>rna-gnl|WGS:JACGCM|KingUnif24704.1
GKSSVKLDSLNVALTEARGRLSSYTFTYAYKYNNKKGKATKLTKEIVMEKGPSTLTALVEEKTLRKNFVRDEDERPKVAYNNFSSEIPVISLAGIDETEGRRGEICKKIVEACEGWGVFQVVDHGVDTSLITEMTRLAREFFALPPQEKLKFDMTGGKKGGFIVSSHLQGEAVQDWREIVTYFSYPIRTRDYSRWPNKPEGWLDATKDYSEKLMGLACKLLEVLSEAMDLEKDALTKACVDMDQKVVVNFYPKCPQPDLTLGLKRHTDPGTITLLLQDQVGGLQATRDDGRTWITVQPVEGAFVVNLGDHGHYLSNGRFKNADHQAVVNSNYSRLSIATFQNPAPDATVYPLRIRDGEKSILDKPITFVEMYKRKMTGDIERAKLKKLAKEKVAKDLEKNILEAEPVTPIALEKIWHNYFSTFYALISVVFTDLWLLSKYNYLQILLF
>rna-gnl|WGS:JACGCM|KingUnif27958.1
MTRLAREFFALPPQEKLKFDMTGGKKGGFIVSSHLQGEAVQDWREIVTYFSYPIRTRDYSRWPNKPEGWLDATKDYSEKLMGLACKLLEVLSEAMDLEKDALTKACVDMDQKVVVNFYPKCPQPDLTLGLKRHTDPGTITLLLQDQVGGLQATRDDGRTWITVQPVEGAFVVNLGDHGHYLSNGRFKNADHQAVVNSNYSRLSIATFQNPAPDATVYPLRIRDGEKSILDKPITFAEMYKRKMTGDIERAKLKKLAKEKVAQDLEKNILEAEPVTPIALEKILA
>rna-gnl|WGS:JACGCM|KingUnif26842.1
MAPVPAQAPSTLTAIVEEKTLRQSFVRDEDERPKVAYNNFSSEIPVISLAGIDETEGRRAEICKKIVEACEDWGVFQVVDHGVDTTLITEMTRLAREFFALPPEEKLKFDMTGKKGGFIVSSHLQGEAVQDWREIVTYFSYPIRTRDYSRWPNNPEGWLDATKDYSEKLMGLACKLLEVLSEAMDLDKEALTKACVDMDQKVVVNFYPKCPQPDLTLGLKRHTDPGTITLLLQDQVGGLQATRDDGKTWITVQPVEGAFVVNLGDHGHYLSNGRFKNADHQAVVNSNYSRLSIATFQNPAPDATVYPLKIREGEKSILEEPITFAEMYKRKMSGDIERAKLKKLAKEQLKQVEQDLEKTKLEALETVLA
>rna-gnl|WGS:JACGCM|KingUnif08832.1
MASTPAQAPSTLTAIVEEKTLRQSFIRDEDERPKVAYNNFSSEIPVISLAGIDETEGRRAEICKKIVEACEDWGVFQVVDHGVDTTLITEMTRLAREFFALPPEEKLKFDMTGKKGGFIVSSHLQGEAVQDWREIVTYFSYPIRTRDYSRWPNNPEGWLDATKDYSEKLMGLACKLLEVLSEAMDLDKEALTKACVDMDQKVVVNFYPKCPQPDLTLGLKRHTDPGTITLLLQDQVGGLQATRDDGKTWITVQPVEGAFVVNLGDHGHYLSNGRFKNADHQAVVNSNYSRLSIATFQNPAPDATVYPLKIREGEKSILEEPITFAEMYKRKMSGDIERAKLKKLAKEQLKQVEQDLEKTKLEALETVLA
>rna-gnl|WGS:JACGCM|KingUnif20627.1
MTLNLSSKSFLPHSEFPSVPKVQISVRNFTNMHRVLASARTDTVKSVTTLTAIAEEKTLRENFIRDEDERPKVAYNNFSNEIPVLSLSGIDEHGGRRSEICKKIVDACEDWGVFQVVDHGIDLSLISEMTHLAREFFALPPEEKLKLAMSPGKKGSFIVSSHLQGEAVQDWREMMTYFSYPIPTRDYSRWPKNPEGWLETTKTYSEKLMGLACKLLEVLSEAMDLDKEALVKACIDMDQKLVVNFYPKCPQPDLTLGLKRHTDPGTITLLLQDQVGGLQATRDGGKSWITVKPVEGAFVVNLGDHGHYLSNGRFKNADHQAVVNYNYSRLSIATFQNPAPDAIVYPLKIREGEKSILDTPMTFAEMYKKKMTGDIDRSKLKKLAKEFEKITPKA
>rna-gnl|WGS:JACGCM|KingUnif26184.1
MEKGPSTLTALVVEKTLRKNFVRDEDERPKVAYNNFSSEIPVISLAGIDETEGRRGEICKKIVEACEGWGVFQVVDHGVDTSLITEMARLAREFFALPPEEKLKFDMTGGKKGGFIVSSHLQGEAVQDWREIMTYFSYPIRTRDYSRWPNKPEGWLDATKDYSEKLMGLACKLLEVLSEAMDLEKDSLTKACVDMDQKVVVNFYPKCPQPDLTLGLKRHTDPGTITLLLQDQVGGLQATRDDGRTWITVQPVEGAFVVNLGDHGHYLSNGRFKNADHQAVVNSNYSRLSIATFQNPAPDAAVYPLRIRDGEKSILDKPITFAEMYKRKMTGDIERGKLKKLAKEKVAQDLEKNIPVTPIALEKILT
Gene tree
Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University