Status	Description	Organism	Genes	References
	Pyrimidine reductase, riboflavin biosynthesis	Chthonomonas calidirosea	G1386-1695
	2,5-diamino-6-(ribosylamino)-4(3H)-pyrimidinone 5'-phosphate reductase	Haloquadratum walsbyi	GLDV-1514
	2,5-diamino-6-(ribosylamino)-4(3H)-pyrimidinone 5'-phosphate reductase	Natronomonas moolapensis	G13AV-1181
	2, 5-diamino-6-hydroxy-4-(5-phosphoribosylamino)pyrimidine 1'-reductase	Natronococcus occultus	G13AT-3124
	2,5-diamino-6-ribosylamino-4(3H)-pyrimidinone 5'-phosphate reductase (NADPH)	Yarrowia lipolytica	YALI0_D06501g	[1]