locus-tag	class	description
	COG1351	Catalyzes the reductive methylation of 2'-deoxyuridine- 5'-monophosphate (dUMP) to 2'-deoxythymidine-5'-monophosphate (dTMP) while utilizing 5,10-methylenetetrahydrofolate (mTHF) as the methyl donor, and NAD(P)H and FADH(2) as the reductant
	COG0756	dUTP diphosphatase activity
	COG1327	Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes
	COG1328	CTP reductase activity
	COG1179	involved in molybdopterin and THIamine biosynthesis family 1