ID   1.2.1.57
DE   butanal dehydrogenase.
CA   (1) butanal + CoA + NAD(+) = butanoyl-CoA + H(+) + NADH.
CA   (2) butanal + CoA + NADP(+) = butanoyl-CoA + H(+) + NADPH.
CC   -!- Also acts on acetaldehyde, but more slowly.
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