1.1.1.80	isopropanol dehydrogenase (NADP+)	acetone degradation I (to methylglyoxal)	
1.14.14.1	unspecific monooxygenase	acetone degradation I (to methylglyoxal)	
4.1.1.4	acetoacetate decarboxylase	acetone degradation I (to methylglyoxal)