>sp|Q8XD88|KGUA_ECO57 Guanylate kinase OS=Escherichia coli O157:H7 GN=gmk MAQGTLYIVSAPSGAGKSSLIQALLKTQPLYDTQVSVSHTTRQPRPGEVHGEHYFFVNHD EFKEMISRDAFLEHAEVFGNYYGTSREAIEQVLATGVDVFLDIDWQGAQQIRQKMPHARS IFILPPSKIELDRRLRGRDQDSEEVIAKRMAQAVAEMSHYAEYDYLIVNDDFDTALTDLK TIIRAERLRMSRQKQRHDALISKLLAD