locus-tag	class	description
HWD17_gp033	PF03477	ATP cone domain
HWD17_gp033	PF13597	Anaerobic ribonucleoside-triphosphate reductase
HWD17_gp080	PF00268	Ribonucleotide reductase, small chain
HWD17_gp089	PF01380	SIS domain
HWD17_gp137	PF14572	Phosphoribosyl synthetase-associated domain
HWD17_gp137	PF13793	N-terminal domain of ribose phosphate pyrophosphokinase
HWD17_gp139	PF04095	Nicotinate phosphoribosyltransferase (NAPRTase) family