>sp|Q1J6M6|XPT_STRPF Xanthine phosphoribosyltransferase OS=Streptococcus pyogenes serotype M4 GN=xpt MQLLEERILTDGNILGENILKVDNFLTHQVDYRLMKAIGKVFAQKYAEAGITKVVTIEAS GIAPAVYAAEAMDVPMIFAKKHKNITMTEGILTAEVYSFTKQVTSTVSIAGKFLSKEDKV LIIDDFLANGQAAKGLIEIIGQAGAQVVGVGIVIEKSFQDGRRLIEDMGIEVTSLARIKN FENGNLNFLEADA