::Monocyclic monoterpene ketone monooxygenase

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{{#invoke:Infobox|infobox}} Monocyclic monoterpene ketone monooxygenase (EC 1.14.13.105, 1-hydroxy-2-oxolimonene 1,2-monooxygenase, dihydrocarvone 1,2-monooxygenase, MMKMO) is an enzyme with system name (-)-menthone,NADPH:oxygen oxidoreductase.<ref>{{#invoke:Citation/CS1|citation |CitationClass=journal }}</ref><ref>{{#invoke:Citation/CS1|citation |CitationClass=journal }}</ref><ref>{{#invoke:Citation/CS1|citation |CitationClass=journal }}</ref> This enzyme catalyses the following chemical reaction

(1) (-)-menthone + NADPH + H⁺ + O₂ <math>\rightleftharpoons</math> (4R,7S)-7-isopropyl-4-methyloxepan-2-one + NADP⁺ + H₂O

(2) dihydrocarvone + NADPH + H⁺ + O² <math>\rightleftharpoons</math> 4-isopropenyl-7-methyloxepan-2-one + NADP⁺ + H₂O

(3) (iso)-dihydrocarvone + NADPH + H⁺ + O₂ <math>\rightleftharpoons</math> 6-isopropenyl-3-methyloxepan-2-one + NADP⁺ + H₂O

(4a) 1-hydroxymenth-8-en-2-one + NADPH + H⁺ + O₂ <math>\rightleftharpoons</math> 7-hydroxy-4-isopropenyl-7-methyloxepan-2-one + NADP⁺ + H₂O

(4b) 7-hydroxy-4-isopropenyl-7-methyloxepan-2-one <math>\rightleftharpoons</math> 3-isopropenyl-6-oxoheptanoate (spontaneous)

Monocyclic monoterpene ketone monooxygenase is a flavoprotein (FAD).

Monocyclic monoterpene ketone monooxygenase sections
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