Status	Description	Organism	Genes	References
	isobutyraldehyde reductase	Escherichia coli	yghA
	isobutyraldehyde reductase	Escherichia coli	ybbO
	isobutyraldehyde reductase	Escherichia coli	dkgA
	isobutyraldehyde reductase	Escherichia coli	yahK
	Alcohol dehydrogenase	Escherichia coli	yqhD	[94]