>sp|Q89AN2|XGPT_BUCBP Xanthine-guanine phosphoribosyltransferase OS=Buchnera aphidicola subsp. Baizongia pistaciae GN=gpt MSKKYIVTWDMLQIYARELAQKLLPVNQWKGIIAVSRGGLIPSALLARELNIRFVDTICV SSYDHNRLRDLKILKYAAGNSSQIIIVDDLVDTGGTGKIIRNLYPKAKFVTIFAKPMGKL LVDEYIIDIPQKVWIEQPWDMGVTYQSPLVRDL