Status	Description	Organism	Genes	References
	β-keto ester reductase	Escherichia coli	dkgA
	hypothetical protein	Thalassiosira pseudonana	GE1Q-8109
	2,5-diketo-D-gluconate reductase B	Yersinia pestis	dkgB
	2,5-diketo-D-gluconate reductase A	Yersinia pestis	dkgA