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Vomifoliol dehydrogenase

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vomifoliol 4'-dehydrogenase
Identifiers
EC no.1.1.1.221
CAS no.94949-18-5
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In enzymology, a vomifoliol dehydrogenase (EC 1.1.1.221) is an enzyme that catalyzes the chemical reaction

(6S,9R)-6-hydroxy-3-oxo-alpha-ionol + NAD {\displaystyle \rightleftharpoons } (6R)-6-hydroxy-3-oxo-alpha-ionone + NADH + H

Thus, the two substrates of this enzyme are (6S,9R)-6-hydroxy-3-oxo-alpha-ionol and NAD, whereas its 3 products are (6R)-6-hydroxy-3-oxo-alpha-ionone, NADH, and H.

This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with NAD or NADP as acceptor. The systematic name of this enzyme class is vomifoliol:NAD oxidoreductase. Other names in common use include vomifoliol 4'-dehydrogenase, and vomifoliol:NAD 4'-oxidoreductase.

References

  • Hasegawa S, Poling SM, Maier VP, Bennett RD (1984). "Metabolism of abscisic-acid bacterial conversion to dehydrovomifoliol and vomifoliol dehydrogenase-activity". Phytochemistry. 23 (12): 2769–2771. doi:10.1016/0031-9422(84)83012-5.
Oxidoreductases: alcohol oxidoreductases (EC 1.1)
1.1.1: NAD/NADP acceptor
1.1.2: cytochrome acceptor
1.1.3: oxygen acceptor
1.1.4: disulfide as acceptor
1.1.5: quinone/similar acceptor
1.1.99: other acceptors
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