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Literature summary for 1.3.1.77 extracted from

  • Zhao, L.; Jiang, X.L.; Qian, Y.M.; Wang, P.Q.; Xie, D.Y.; Gao, L.P.; Xia, T.
    Metabolic characterization of the anthocyanidin reductase pathway involved in the biosynthesis of flavan-3-ols in elite Shuchazao tea (Camellia sinensis) cultivar in the Field (2017), Molecules, 22, E2241 .
    View publication on PubMedView publication on EuropePMC
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Cloned(Commentary)

Cloned (Comment) Organism
gene ANRa, cloned from leaves, recombinant expression of His-tagged ANRa, recombinant overexpression in Nicotiana tabacum leaves leading to the formation of proanthocyanidins in flowers and the reduction of anthocyanins Camellia sinensis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
cyanidin + 2 NADPH + H+ Camellia sinensis
-
 (2R,3R)-epicatechin + 2 NADP+ ? ?
delphinidin + 2 NADPH + H+ Camellia sinensis
-
 (2R,3R)-epigallocatechin + 2 NADP+ ? ?

Organism

Organism UniProt Comment Textmining
Camellia sinensis Q6DV46 cv. Shuchazao
-

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
 Camellia sinensis
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
cyanidin + 2 NADPH + H+
-
 Camellia sinensis (2R,3R)-epicatechin + 2 NADP+ ? ?
delphinidin + 2 NADPH + H+
-
 Camellia sinensis (2R,3R)-epigallocatechin + 2 NADP+ ? ?
additional information (2R,3S)-epicatechin is also observed from the catalysis of recombinant CssANRa and CssANRb Camellia sinensis ?
-
 ?

Synonyms

Synonyms Comment Organism
ANR
-
 Camellia sinensis
ANRa
-
 Camellia sinensis
CssANRa
-
 Camellia sinensis

Cofactor

Cofactor Comment Organism Structure
NADPH
-
 Camellia sinensis

General Information

General Information Comment Organism
physiological function the enzyme converts anthocyanidins into nonalloylated catechins. The majority of leaf flavan-3-ols in Shuchazao's leaves are produced from the ANR pathway Camellia sinensis