ENZYME entry: EC 1.3.1.77

Accepted Name
Anthocyanidin reductase.
Alternative Name(s)
ANR.
Reaction catalysed
A flavan-3-ol + 2 NAD(P)(+) <=> an anthocyanidin + 2 NAD(P)H
Comment(s)
  • Forms 2,3-cis-flavan-3-ols.
  • The isomeric 2,3-trans-flavan-3-ols are formed from flavan-3,4-diols by EC 1.17.1.3.
  • While the enzyme from the legume Medicago truncatula (MtANR) uses both NADPH and NADH as reductant, that from the crucifer Arabidopsis thaliana (AtANR) uses only NADPH.
  • Also, while the substrate preference of MtANR is cyanidin>pelargonidin>delphinidin, the reverse preference is found with AtANR.
Cross-references
BRENDA1.3.1.77
EC2PDB1.3.1.77
ExplorEnz1.3.1.77
PRIAM enzyme-specific profiles1.3.1.77
KEGG Ligand Database for Enzyme Nomenclature1.3.1.77
IUBMB Enzyme Nomenclature1.3.1.77
IntEnz1.3.1.77
MEDLINEFind literature relating to 1.3.1.77
MetaCyc1.3.1.77
UniProtKB/Swiss-Prot
Q9SEV0, BAN_ARATH

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