1.1.1.35	3-hydroxyacyl-CoA dehydrogenase	pyruvate fermentation to butanol II (engineered)	-	-	
1.2.1.57	butanal dehydrogenase	pyruvate fermentation to butanol II (engineered)	-	-	
1.3.1.44	trans-2-enoyl-CoA reductase (NAD+)	pyruvate fermentation to butanol II (engineered)	-	-	
2.3.1.9	acetyl-CoA C-acetyltransferase	pyruvate fermentation to butanol II (engineered)	-	-	
2.3.1.16	acetyl-CoA C-acyltransferase	pyruvate fermentation to butanol II (engineered)	-	-	
4.2.1.150	short-chain-enoyl-CoA hydratase	pyruvate fermentation to butanol II (engineered)	-	-