>sp|Q1AVZ3|KGUA_RUBXD Guanylate kinase OS=Rubrobacter xylanophilus GN=gmk MRRGRLIVVSGPSGAGKSTLIRAALDAVPQLAYSVSATTRAPRPGEVNGRDYIFLSREEF ERWIREGRFLEWAEYSGNLYGTPAHRVEEYLESGLSVILEIELQGARKVRRKRPDAVMIF VRAPSLEETRRRLEGRATESEDAVQRRLATAVEEVAARDEFDCEVVNDDYERAREEMIEI MRRIVAGGDPC