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Literature summary for 1.17.1.3 extracted from

  • Lacampagne, S.; Gagne, S.; Geny, L.
    Involvement of abscisic acid in controlling the proanthocyanidin biosynthesis pathway in grape skin: new elements regarding the regulation of tannin composition and leucoanthocyanidin reductase (LAR) and anthocyanidin reductase (ANR) activities and expres (2010), J. Plant Growth Regul., 29, 81-90.
No PubMed abstract available
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Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
(2R,3S)-catechin + NADP+ + H2O Vitis vinifera
-
 2,3-trans-3,4-cis-leucocyanidin + NADPH + H+
-
 r

Organism

Organism UniProt Comment Textmining
Vitis vinifera
-
 cv. Cabernet-Sauvignon
-

Source Tissue

Source Tissue Comment Organism Textmining
fruit skin Vitis vinifera
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
(2R,3S)-catechin + NADP+ + H2O
-
 Vitis vinifera 2,3-trans-3,4-cis-leucocyanidin + NADPH + H+
-
 r

Synonyms

Synonyms Comment Organism
LAR
-
 Vitis vinifera

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
 assay at Vitis vinifera

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
 assay at Vitis vinifera

Cofactor

Cofactor Comment Organism Structure
NADPH
-
 Vitis vinifera

General Information

General Information Comment Organism
metabolism leucoanthocyanidin reductase and anthocyanidin reductase are involved in biosynthesis of proanthocyanidins or condensed tannins by producing (+)-catechin and (-)-epicatechin, respectively, from leukoanthocyanidin Vitis vinifera
additional information leucoanthocyanidin reductase and anthocyanidin reductase are co-regulated by abscisic acid, overview Vitis vinifera