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Your query returned 1 entry. Printable version
EC | 1.14.13.105 | ||||||
Accepted name: | monocyclic monoterpene ketone monooxygenase | ||||||
Reaction: | (1) (–)-menthone + NADPH + H+ + O2 = (4R,7S)-7-isopropyl-4-methyloxepan-2-one + NADP+ + H2O (2) dihydrocarvone + NADPH + H+ + O2 = 4-isopropenyl-7-methyloxepan-2-one + NADP+ + H2O (3) (iso)-dihydrocarvone + NADPH + H+ + O2 = 6-isopropenyl-3-methyloxepan-2-one + NADP+ + H2O (4a) 1-hydroxymenth-8-en-2-one + NADPH + H+ + O2 = 7-hydroxy-4-isopropenyl-7-methyloxepan-2-one + NADP+ + H2O (4b) 7-hydroxy-4-isopropenyl-7-methyloxepan-2-one = 3-isopropenyl-6-oxoheptanoate (spontaneous) |
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For diagram of (–)-carvone catabolism, click here, for diagram of limonene catabolism, click here and for diagram of menthol biosynthesis, click here | |||||||
Other name(s): | 1-hydroxy-2-oxolimonene 1,2-monooxygenase; dihydrocarvone 1,2-monooxygenase; MMKMO | ||||||
Systematic name: | (–)-menthone,NADPH:oxygen oxidoreductase | ||||||
Comments: | A flavoprotein (FAD). This Baeyer-Villiger monooxygenase enzyme from the Gram-positive bacterium Rhodococcus erythropolis DCL14 has wide substrate specificity, catalysing the lactonization of a large number of monocyclic monoterpene ketones and substituted cyclohexanones [2]. Both (1R,4S)- and (1S,4R)-1-hydroxymenth-8-en-2-one are metabolized, with the lactone product spontaneously rearranging to form 3-isopropenyl-6-oxoheptanoate [1]. | ||||||
Links to other databases: | BRENDA, EXPASY, KEGG, MetaCyc | ||||||
References: |
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