Leucoanthocyanidin reductase
Template:Short description Template:Infobox enzyme In enzymology, a leucoanthocyanidin reductase (EC 1.17.1.3) (LAR, aka leucocyanidin reductase or LCR) is an enzyme that catalyzes the chemical reaction
- (2R,3S)-catechin + NADP+ + H2O 2,3-trans-3,4-cis-leucocyanidin + NADPH + H+
The 3 substrates of this enzyme are (2R,3S)-catechin, NADP+, and H2O, whereas its 3 products are 2,3-trans-3,4-cis-leucocyanidin, NADPH, and H+.
This enzyme belongs to the family of oxidoreductases, specifically those acting on CH or CH2 groups with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is (2R,3S)-catechin:NADP+ 4-oxidoreductase. This enzyme is also called leucocyanidin reductase. This enzyme participates in flavonoid biosynthesis.
The enzyme can be found in the plant Hedysarum sulphurescens and in Vitis vinifera (grape).[1]
References
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Further reading
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