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Information on EC 1.17.1.3 - leucoanthocyanidin reductase

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EC Tree
     1 Oxidoreductases
         1.17 Acting on CH or CH2 groups
             1.17.1 With NAD+ or NADP+ as acceptor
                1.17.1.3 leucoanthocyanidin reductase
IUBMB Comments
The enzyme catalyses the synthesis of catechin, catechin-4beta-ol (leucocyanidin) and the related flavan-3-ols afzelechin and gallocatechin, which are initiating monomers in the synthesis of plant polymeric proanthocyanidins or condensed tannins. While 2,3-trans-3,4-cis-leucocyanidin is the preferred flavan-3,4-diol substrate, 2,3-trans-3,4-cis-leucodelphinidin and 2,3-trans-3,4-cis-leucopelargonidin can also act as substrates, but more slowly. NADH can replace NADPH but is oxidized more slowly.
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Word Map
The enzyme appears in viruses and cellular organisms
Synonyms
ANR, anthocyanidin reductase, BAN, CsLAR, FeLAR1, FeLAR2, FeLAR3, LAR, LAR1, lar2, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
(2R,3S)-catechin + NADP+ + H2O = 2,3-trans-3,4-cis-leucocyanidin + NADPH + H+
show the reaction diagram
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