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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+. The enzyme can be found in the plant Hedysarum sulphurescens and in Vitis vinifera (grape).

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  • 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). (en)
  • La leucoantocianidina reduttasi è un enzima appartenente alla classe delle ossidoreduttasi, che catalizza la seguente reazione: (2R,3S)-catechina + NADP+ + H2O ⇄ 2,3-trans-3,4-cis-leucocianidina + NADPH + H+ L'enzima catalizza la sintesi della catechina, del catechin-4β-olo (leucocianidina) e dei flavan-3-oli correlati, afzelechina e gallocatechina, che sono monomeri iniziatori della sintesi delle proantocianidine polimeriche o dei tannini condensati nelle piante. Mentre la 2,3-trans-3,4-cis-leucocianidina è il substrato flavan-3,4-diolo preferito, la 2,3-trans-3,4-cis-leucodelfinidina e la 2,3-trans-3,4-cis-leucopelargonidina possono agire anch'esse come substrati, ma la reazione è più lenta. Il NADH può rimpiazzare il NADPH ma viene ossidato più lentamente. (it)
  • ロイコアントシアニジンレダクターゼ(leucoanthocyanidin reductase)は、フラボノイド生合成酵素の一つで、次の化学反応を触媒する酸化還元酵素である。 (2R,3S)-カテキン + NADP+ + H2O 2,3-trans-3,4-cis-ロイコアントシアニジン + NADPH + H+ この酵素の基質は(2R,3S)-カテキン、NADP+とH2Oで、生成物は、NADPHとH+である。 この酵素は酸化還元酵素に属し、NAD+またはNADP+を受容体としてCH基またはCH2基に特異的に作用する。組織名は、(2R,3S)-catechin:NADP+ 4-oxidoreductaseで、別名にleucocyanidin reductaseがある。 この酵素はと(ブドウ)で見られる。 (ja)
dbo:ecNumber
  • 1.17.1.3
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  • 14141467 (xsd:integer)
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  • 2752 (xsd:nonNegativeInteger)
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  • 994752054 (xsd:integer)
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  • 93389 (xsd:integer)
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  • 1.170000 (xsd:double)
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  • 33788 (xsd:integer)
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  • 1 (xsd:integer)
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  • Leucoanthocyanidin reductase (en)
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rdfs:comment
  • ロイコアントシアニジンレダクターゼ(leucoanthocyanidin reductase)は、フラボノイド生合成酵素の一つで、次の化学反応を触媒する酸化還元酵素である。 (2R,3S)-カテキン + NADP+ + H2O 2,3-trans-3,4-cis-ロイコアントシアニジン + NADPH + H+ この酵素の基質は(2R,3S)-カテキン、NADP+とH2Oで、生成物は、NADPHとH+である。 この酵素は酸化還元酵素に属し、NAD+またはNADP+を受容体としてCH基またはCH2基に特異的に作用する。組織名は、(2R,3S)-catechin:NADP+ 4-oxidoreductaseで、別名にleucocyanidin reductaseがある。 この酵素はと(ブドウ)で見られる。 (ja)
  • 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+. The enzyme can be found in the plant Hedysarum sulphurescens and in Vitis vinifera (grape). (en)
  • La leucoantocianidina reduttasi è un enzima appartenente alla classe delle ossidoreduttasi, che catalizza la seguente reazione: (2R,3S)-catechina + NADP+ + H2O ⇄ 2,3-trans-3,4-cis-leucocianidina + NADPH + H+ (it)
rdfs:label
  • Leucoantocianidina reduttasi (it)
  • Leucoanthocyanidin reductase (en)
  • ロイコアントシアニジンレダクターゼ (ja)
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  • Leucoanthocyanidin reductase (en)
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