EC 1.1.1.234: flavanone 4-reductase
This is an abbreviated version!
For detailed information about flavanone 4-reductase, go to the full flat file.
Word Map on EC 1.1.1.234
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1.1.1.234
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flavonoid
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dihydroflavonols
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3-deoxyanthocyanidins
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bicolor
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sorghum
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moench
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anthocyanidins
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luteolinidin
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flavone
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purple
- 1.1.1.234
- flavonoid
- dihydroflavonols
-
3-deoxyanthocyanidins
- bicolor
- sorghum
- moench
- anthocyanidins
- luteolinidin
- flavone
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purple
Reaction
Synonyms
3-deoxyanthocyanidin synthase, FNR, Sb06g029550, Sb06g029550 protein
ECTree
1.1.1.234 flavanone 4-reductaseAdvanced search results
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Substrates Products on EC 1.1.1.234 - flavanone 4-reductase
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SUBSTRATE 
PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
LITERATURE
COMMENTARY 
Reversibility
r=reversible
ir=irreversible
?=not specified
r=reversible
ir=irreversible
?=not specified
(2S)-eriodictyol + NADPH + H+
luteoforol + NADP+
Substrates: -
Products: -
Products: -
?
(2S)-flavan-4-ol + NADP+
(2S)-flavanone + NADPH + H+
Substrates: -
Products: -
Products: -
?
5,7,3',4',5'-pentahydroxyflavanone + NADPH
5,7,3',4',5'-pentahydroxyflavan-4-ol + NADP+
-
Substrates: -
Products: -
Products: -
?
(2S)-eriodictyol + NADPH
luteoforol + NADP+
Columnea hybrida Heklua
-
Substrates: -
Products: -
Products: -
?
(2S)-eriodictyol + NADPH
luteoforol + NADP+
Substrates: reaction provides precursors for the synthesis of 3-deoxyanthocyanidins
Products: reaction provides precursors for the synthesis of 3-deoxyanthocyanidins
Products: reaction provides precursors for the synthesis of 3-deoxyanthocyanidins
?
(2S)-eriodictyol + NADPH
luteoforol + NADP+
Substrates: -
Products: -
Products: -
?
(2S)-eriodictyol + NADPH
luteoforol + NADP+
-
Substrates: reaction provides precursors for the synthesis of 3-deoxyanthocyanidins
Products: reaction provides precursors for the synthesis of 3-deoxyanthocyanidins
Products: reaction provides precursors for the synthesis of 3-deoxyanthocyanidins
?
(2S)-eriodictyol + NADPH
luteoforol + NADP+
-
Substrates: -
Products: -
Products: -
?
(2S)-eriodictyol + NADPH
luteoforol + NADP+
-
Substrates: reaction provides precursors for the synthesis of 3-deoxyanthocyanidins
Products: -
Products: -
?
(2S)-flavanone + NADPH
(2S)-flavan-4-ol + NADP+
Columnea hybrida
-
Substrates: involved in the biosynthesis of 3-deoxyanthocyanidines such as apigeninidin or luteolinidin, from (2S)-flavanones naringenin or eriodictyol
Products: -
Products: -
?
(2S)-flavanone + NADPH
(2S)-flavan-4-ol + NADP+
Columnea hybrida Heklua
-
Substrates: involved in the biosynthesis of 3-deoxyanthocyanidines such as apigeninidin or luteolinidin, from (2S)-flavanones naringenin or eriodictyol
Products: -
Products: -
?
(2S)-flavanone + NADPH
(2S)-flavan-4-ol + NADP+
Substrates: reaction provides precursors for the synthesis of 3-deoxyanthocyanidins
Products: -
Products: -
?
(2S)-flavanone + NADPH
(2S)-flavan-4-ol + NADP+
Substrates: -
Products: -
Products: -
?
(2S)-flavanone + NADPH
(2S)-flavan-4-ol + NADP+
-
Substrates: reaction provides precursors for the synthesis of 3-deoxyanthocyanidins
Products: -
Products: -
?
(2S)-flavanone + NADPH
(2S)-flavan-4-ol + NADP+
-
Substrates: involved in the biosynthesis of 3-deoxyanthocyanidines such as apigeninidin or luteolinidin, from (2S)-flavanones naringenin or eriodictyol
Products: -
Products: -
?
(2S)-flavanone + NADPH
(2S)-flavan-4-ol + NADP+
-
Substrates: reaction provides precursors for the synthesis of 3-deoxyanthocyanidins
Products: -
Products: -
?
(2S)-naringenin + NADPH + H+
apiforol + NADP+
Columnea hybrida Heklua
-
Substrates: -
Products: -
Products: -
?
(2S)-naringenin + NADPH + H+
apiforol + NADP+
Substrates: -
Products: -
Products: -
?
(2S)-naringenin + NADPH + H+
apiforol + NADP+
-
Substrates: -
Products: -
Products: -
?
(2S)-naringenin + NADPH + H+
apiforol + NADP+
-
Substrates: reaction provides precursors for the synthesis of 3-deoxyanthocyanidins
Products: -
Products: -
?
eriodictyol + NADP+
luteoforol + NADPH + H+
Substrates: -
Products: -
Products: -
?
eriodictyol + NADP+
luteoforol + NADPH + H+
Substrates: recombinant Sb06g029550 protein
Products: -
Products: -
?
naringenin + NADPH + H+
apiforol + NADP+
Substrates: recombinant Sb06g029550 protein
Products: apiforol is converted to apigeninidin with Nar + protein + HCl treatment
Products: apiforol is converted to apigeninidin with Nar + protein + HCl treatment
?
additional information
?
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Substrates: the enzyme also catalyzes the reduction of dihydroflavonols to leucoanthocyanins, SmDFR can readily reduce dihydroquercetin and dihydrokampferol, as a dihydroflavonol 4-reductase, DFR, EC 1.1.1.219, but it cannot reduce dihydromyricetin
Products: -
Products: -
?
additional information
?
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Substrates: the enzyme also catalyzes the reduction of dihydroflavonols to leucoanthocyanins, SmDFR can readily reduce dihydroquercetin and dihydrokampferol, as a dihydroflavonol 4-reductase, DFR, EC 1.1.1.219, but it cannot reduce dihydromyricetin
Products: -
Products: -
?
additional information
?
-
-
Substrates: as dihydroxyflavonols, such as dihydrokaempferol, dihydroquercetin and dihydromyricetin are substrates for the Sinningia enzyme preparation, too, the enzyme might be identical with dihydroflavonol-4-reductase
Products: -
Products: -
?
additional information
?
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Substrates: enzyme FNR converts flavanones to flavan-4-ols
Products: -
Products: -
?
additional information
?
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Substrates: the reaction mixtures are acid-treated to convert the direct reaction products, flavan-3,4-diol, and flavan-4-ol, to their respective anthocyanidin or 3-deoxyanthocyanidins, and analyzed by LC-MS/MS
Products: -
Products: -
?
