>6KQC_1|Chains A, B|Xanthine phosphoribosyltransferase|Yersinia pestis (632) SMNEKYVVTWDMLQIHARKLAQRLLPAEQWKGIIAVSRGGLVPAGILARELGIRYVDTVCISSYDHDNQRDLKVLKRAEGDGEGFIVIDDLVDTGGTATAIREMYPKAHFVTIFAKPAGRPLVDDYVVDIPQNTWIFQPWDMAVTFVAPLSGK