1.17.1.3: leucoanthocyanidin reductase
This is an abbreviated version!
For detailed information about leucoanthocyanidin reductase, go to the full flat file.
Word Map on EC 1.17.1.3
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1.17.1.3
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proanthocyanidins
-
flavonoid
-
anthocyanins
-
camellia
-
dihydroflavonol
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flavan-3-ols
-
vinifera
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+-catechin
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csanr
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r2r3-myb
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delphinidin
-
3\'-hydroxylase
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cschs
-
flavan
-
pelargonidin
-
banyuls
-
3',5'-hydroxylase
- 1.17.1.3
- proanthocyanidins
- flavonoid
- anthocyanins
- camellia
- dihydroflavonol
-
flavan-3-ols
- vinifera
-
+-catechin
- csanr
-
r2r3-myb
- delphinidin
-
3\'-hydroxylase
-
cschs
-
flavan
- pelargonidin
- banyuls
-
3',5'-hydroxylase
Reaction
Synonyms
ANR, anthocyanidin reductase, BAN, CsLAR, FeLAR1, FeLAR2, FeLAR3, LAR, LAR1, lar2, LARa, LarB, LarC, leucoanthocyanidin 4-reductase, leucoanthocyanidin reductase, leucocyanidin reductase, MdLAR1, MdLAR2, More, MtLAR, PaLAR3, PtrLAR1, PtrLAR3, reductase, leucoanthocyanidin, TcLAR, Vv lar1, Vv lar2
ECTree
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Systematic Name
Systematic Name on EC 1.17.1.3 - leucoanthocyanidin reductase
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(2R,3S)-catechin:NADP+ 4-oxidoreductase
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.