1.2.1.87	acetyl-CoA + NADH + H+	-	
1.2.1.87	acetyl-CoA + NADH + H+	low activity	
1.2.1.87	butanoyl-CoA + NADH + H+	-	
1.2.1.87	butanoyl-CoA + NADH + H+	high activity	
1.2.1.87	propanal + CoA + NAD+	-	
1.2.1.87	propanoyl-CoA + NADH + H+	best substrate