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In enzymology, a monodehydroascorbate reductase (MDAR) (EC 1.6.5.4) is an enzyme that catalyzes the chemical reaction NADH + H+ + 2 monodehydroascorbate NAD+ + 2 ascorbate The 3 substrates of this enzyme are NADH, H+, and monodehydroascorbate, whereas its two products are NAD+ and ascorbate.

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  • Monodeshidroascorbato reductasa (NADH) (es)
  • Monodéshydroascorbate réductase (NADH) (fr)
  • Monodeidroascorbato reduttasi (NAD) (it)
  • Monodehydroascorbate reductase (NADH) (en)
  • モノデヒドロアスコルビン酸レダクターゼ (NADH) (ja)
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  • La monodeshidroascorbato reductasa, (MDAR) (EC 1.6.5.4) es una enzima que cataliza la siguiente reacción química: NADH + H+ + 2 deshidroascorbato NAD+ + 2 ascorbato Por lo tanto los tres sustratos de esta enzima son NADH, H+ y monodeshidroascorbato; mientras que sus dos productos son NAD+ y ascorbato. (es)
  • Une monodéshydroascorbate réductase (MDAR) est une oxydoréductase qui catalyse la réaction : NADH + H+ + 2 monodéshydroascorbate NAD+ + 2 ascorbate. Cette enzyme intervient dans le cycle glutathion-ascorbate des plantes, l'un des systèmes antioxydants de ces organismes pour se prémunir des dégâts provoqués par les dérivés réactifs de l'oxygène générés par les chaînes de transport d'électrons. On trouve de telles enzymes dans le cytosol, les chloroplastes, les glyoxysomes et les peroxysomes des feuilles. Les autres enzymes du cycle sont l'ascorbate peroxydase, la glutathion déshydrogénase et la glutathion réductase. (fr)
  • La monodeidroascorbato reduttasi (NAD) è un enzima appartenente alla classe delle ossidoreduttasi, che catalizza la seguente reazione: NADH + H+ + 2 monodeidroascorbato ⇄ NAD+ + 2 ascorbato (it)
  • In enzymology, a monodehydroascorbate reductase (MDAR) (EC 1.6.5.4) is an enzyme that catalyzes the chemical reaction NADH + H+ + 2 monodehydroascorbate NAD+ + 2 ascorbate The 3 substrates of this enzyme are NADH, H+, and monodehydroascorbate, whereas its two products are NAD+ and ascorbate. (en)
  • モノデヒドロアスコルビン酸レダクターゼ (MDAR)(monodehydroascorbate reductase (MDAR))は、アスコルビン酸代謝酵素の一つで、次の化学反応を触媒する酸化還元酵素である。 この酵素の基質はNADHとH+と、生成物はNAD+とアスコルビン酸である。 組織名はMDAR:monodehydroascorbate oxidoreductaseで、別名にMDAR:semidehydroascorbic acid oxidoreductase、MDHA、semidehydroascorbate reductase、AFR、AFR-reductase、ascorbic free radical reductase、ascorbate free radical reductase、SOR、MDAsA reductase (NADPH) 、SDA reductase、NADH:ascorbate radical oxidoreductase、NADH-semidehydroascorbate oxidoreductase、ascorbate free-radical reductase 、NADH:AFR oxidoreductase、monodehydroascorbate reductase (NADH2)がある。 (ja)
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  • monodehydroascorbate reductase (MDAR) (en)
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  • monodehydroascorbate reductase (en)
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  • La monodeshidroascorbato reductasa, (MDAR) (EC 1.6.5.4) es una enzima que cataliza la siguiente reacción química: NADH + H+ + 2 deshidroascorbato NAD+ + 2 ascorbato Por lo tanto los tres sustratos de esta enzima son NADH, H+ y monodeshidroascorbato; mientras que sus dos productos son NAD+ y ascorbato. (es)
  • In enzymology, a monodehydroascorbate reductase (MDAR) (EC 1.6.5.4) is an enzyme that catalyzes the chemical reaction NADH + H+ + 2 monodehydroascorbate NAD+ + 2 ascorbate The 3 substrates of this enzyme are NADH, H+, and monodehydroascorbate, whereas its two products are NAD+ and ascorbate. This enzyme belongs to the family of oxidoreductases, specifically those acting on NADH or NADPH, with a quinone or similar compound as an acceptor. The systematic name of this enzyme class is NADH: monodehydroascorbate oxidoreductase. Other names in common use include NADH: semidehydroascorbic acid oxidoreductase, MDHA, semidehydroascorbate reductase, AFR, AFR-reductase, ascorbic free radical reductase, ascorbate free radical reductase, SOR, MDAsA reductase (NADPH), SDA reductase, NADH: ascorbate radical oxidoreductase, NADH-semidehydroascorbate oxidoreductase, ascorbate free-radical reductase, NADH: AFR oxidoreductase, and monodehydroascorbate reductase (NADH2). This enzyme participates in ascorbate and aldarate metabolism. In plants, the monodehydroascorbate reductase (MDAR) is an enzymatic component of the glutathione-ascorbate cycle that is one of the major antioxidant systems of plant cells for the protection against the damages produced by reactive oxygen species (ROS). The MDAR activity has been described in several cell compartments, such as chloroplasts, cytosol, mitochondria, glyoxysomes, and leaf peroxisomes. (en)
  • Une monodéshydroascorbate réductase (MDAR) est une oxydoréductase qui catalyse la réaction : NADH + H+ + 2 monodéshydroascorbate NAD+ + 2 ascorbate. Cette enzyme intervient dans le cycle glutathion-ascorbate des plantes, l'un des systèmes antioxydants de ces organismes pour se prémunir des dégâts provoqués par les dérivés réactifs de l'oxygène générés par les chaînes de transport d'électrons. On trouve de telles enzymes dans le cytosol, les chloroplastes, les glyoxysomes et les peroxysomes des feuilles. Les autres enzymes du cycle sont l'ascorbate peroxydase, la glutathion déshydrogénase et la glutathion réductase. (fr)
  • La monodeidroascorbato reduttasi (NAD) è un enzima appartenente alla classe delle ossidoreduttasi, che catalizza la seguente reazione: NADH + H+ + 2 monodeidroascorbato ⇄ NAD+ + 2 ascorbato (it)
  • モノデヒドロアスコルビン酸レダクターゼ (MDAR)(monodehydroascorbate reductase (MDAR))は、アスコルビン酸代謝酵素の一つで、次の化学反応を触媒する酸化還元酵素である。 この酵素の基質はNADHとH+と、生成物はNAD+とアスコルビン酸である。 組織名はMDAR:monodehydroascorbate oxidoreductaseで、別名にMDAR:semidehydroascorbic acid oxidoreductase、MDHA、semidehydroascorbate reductase、AFR、AFR-reductase、ascorbic free radical reductase、ascorbate free radical reductase、SOR、MDAsA reductase (NADPH) 、SDA reductase、NADH:ascorbate radical oxidoreductase、NADH-semidehydroascorbate oxidoreductase、ascorbate free-radical reductase 、NADH:AFR oxidoreductase、monodehydroascorbate reductase (NADH2)がある。 なお、モノデヒドロアスコルビン酸レダクターゼ (MDAR)は、グルタチオン-アスコルビン酸回路を構成している酵素の一つである。 (ja)
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  • 1.6.5.4
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