The Enzyme Database

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EC 1.1.1.221     
Accepted name: vomifoliol dehydrogenase
Reaction: (6S,9R)-6-hydroxy-3-oxo-α-ionol + NAD+ = (6S)-6-hydroxy-3-oxo-α-ionone + NADH + H+
For diagram of reaction, click here
Glossary: (6S,9R)-6-hydroxy-3-oxo-α-ionol = vomifoliol = (4S)-4-hydroxy-4-[(1E,3R)-3-hydroxybut-1-enyl]-3,5,5-trimethylcyclohex-2-en-1-one
(6S)-6-hydroxy-3-oxo-α-ionone = dehydrovomifoliol = (4S)-4-hydroxy-3,5,5-trimethyl-4-[(1E)-3-oxobut-1-enyl]cyclohex-2-en-1-one
Other name(s): vomifoliol 4′-dehydrogenase; vomifoliol:NAD+ 4′-oxidoreductase
Systematic name: (6S,9R)-6-hydroxy-3-oxo-α-ionol:NAD+ oxidoreductase
Comments: Oxidizes vomifoliol to dehydrovomifoliol; involved in the metabolism of abscisic acid in Corynebacterium sp.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 94949-18-5
References:
1.  Hasegawa, S., Poling, S.M., Maier, V.P. and Bennett, R.D. Metabolism of abscisic-acid bacterial conversion to dehydrovomifoliol and vomifoliol dehydrogenase-activity. Phytochemistry 23 (1984) 2769–2771.
[EC 1.1.1.221 created 1989]
 
 


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