1.2.1.57	4-hydroxybutanoyl-CoA + NADH + H+	-	Clostridium saccharoperbutylacetonicum	4-hydroxybutanal + CoA + NAD+	-	?	440117	
1.2.1.57	4-hydroxybutanoyl-CoA + NADH + H+	-	Clostridium saccharoperbutylacetonicum KCTC5577	4-hydroxybutanal + CoA + NAD+	-	?	440117	
1.2.1.57	4-hydroxybutanoyl-CoA + NADPH + H+	-	Clostridium saccharoperbutylacetonicum	4-hydroxybutanal + CoA + NADP+	-	?	440118	
1.2.1.57	4-hydroxybutanoyl-CoA + NADPH + H+	-	Clostridium saccharoperbutylacetonicum KCTC5577	4-hydroxybutanal + CoA + NADP+	-	?	440118	
1.2.1.57	acetaldehyde + CoA + NAD+	-	Clostridium acetobutylicum	acetyl-CoA + NADH	-	r	5610	
1.2.1.57	acetyl-CoA + NADH + H+	-	Levilactobacillus brevis	acetaldehyde + CoA + NAD+	-	r	435259	
1.2.1.57	acetyl-CoA + NADH + H+	low activity	Clostridium saccharoperbutylacetonicum	acetaldehyde + CoA + NAD+	-	r	435259	
1.2.1.57	butanal + CoA + NAD+	r	Clostridium acetobutylicum	butanoyl-CoA + NADH	-	r	5609	
1.2.1.57	butanal + CoA + NAD+	affinity for NAD+ or NADH is greater than for NADP+ or NADPH	Clostridium acetobutylicum	butanoyl-CoA + NADH	-	r	5609	
1.2.1.57	butanal + CoA + NADP+	r	Clostridium acetobutylicum	butanoyl-CoA + NADPH	-	r	5608