si_0601	Purine_Utilization	Cytosine/purine/uracil/thiamine/allantoin permease family protein
si_0601	Purine_Utilization	Guanine deaminase (EC 3.5.4.3)
si_0601	Purine_Utilization	Guanine-hypoxanthine permease
si_0601	Purine_Utilization	Periplasmic aromatic aldehyde oxidoreductase, FAD binding subunit YagS
si_0601	Purine_Utilization	Uracil-xanthine permease
si_0601	Purine_Utilization	Xanthine and CO dehydrogenases maturation factor, XdhC/CoxF family
si_0601	Purine_Utilization	Xanthine dehydrogenase iron-sulfur subunit (EC 1.17.1.4)
si_0601	Purine_Utilization	Xanthine dehydrogenase, FAD binding subunit (EC 1.17.1.4)
si_0601	Purine_Utilization	Xanthine dehydrogenase, iron-sulfur cluster and FAD-binding subunit A (1.17.1.4)
si_0601	Purine_Utilization	Xanthine dehydrogenase, molybdenum binding subunit (EC 1.17.1.4)
si_0601	Purine_Utilization	Xanthine oxidase (EC 1.17.3.2)
si_0601	Purine_Utilization	Xanthine permease
si_0601	Purine_Utilization	Xanthine transporter,putative
si_0601	Purine_Utilization	Xanthine/uracil transporter
si_0601	Purine_Utilization	Xanthine/uracil/thiamine/ascorbate permease family protein
si_0601	Purine_Utilization	XdhC protein (assists in molybdopterin insertion into xanthine dehydrogenase)