Status	Description	Organism	Genes	References
	D-proline dehydrogenase	Metallosphaera cuprina	GHTI-844
	D-proline dehydrogenase	Metallosphaera sedula	GH1O-1410
	D-proline dehydrogenase	Pyrobaculum calidifontis	GIX2-180
	D-proline dehydrogenase	Thermoproteus tenax	GJSY-1422