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ENZYME - 1.1.1.219 dihydroflavanol 4-reductase

Accepted Name
dihydroflavanol 4-reductase
Alternative Name(s)
dihydroflavonol 4-reductase
dihydrokaempferol 4-reductase
NADPH-dihydromyricetin reductase
Reaction catalysed
a (2R,3S,4S)-leucoanthocyanidin + NADP(+) = a (2R,3R)-dihydroflavonol + NADPH + H(+)
Comment(s)
  • This plant enzyme, involved in the biosynthesis of anthocyanidins, is known to act on (+)-dihydrokaempferol, (+)-taxifolin, and (+)- dihydromyricetin, although some enzymes may act only on a subset of these compounds.
  • Each dihydroflavonol is reduced to the corresponding cis-flavan-3,4- diol.
  • NAD(+) can act instead of NADP(+), but more slowly.
Cross-references
BRENDA1.1.1.219
EC2PDB1.1.1.219
ExplorEnz1.1.1.219
PRIAM enzyme-specific profiles1.1.1.219
KEGG Ligand Database for Enzyme Nomenclature1.1.1.219
IUBMB Enzyme Nomenclature1.1.1.219
IntEnz1.1.1.219
MEDLINEFind literature relating to 1.1.1.219
MetaCyc1.1.1.219
Rhea expert-curated reactions1.1.1.219
UniProtKB/Swiss-Prot
P14721, DFRA_ANTMAP51102, DFRA_ARATHP51103, DFRA_CALCH
P51104, DFRA_DIACAP51105, DFRA_GERHYP51106, DFRA_HORVU
P51108, DFRA_MAIZEQ9XES5, DFRA_MALDOP51109, DFRA_MEDSA
P14720, DFRA_PETHYQ84KP0, DFRA_PYRCOP51107, DFRA_SOLLC
P73212, DFRA_SYNY3P51110, DFRA_VITVI

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All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 1.1.1.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 1.1.-.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 1.-.-.-