>sp|Q2JQ59|KGUA_SYNJB Guanylate kinase OS=Synechococcus sp. GN=gmk MRRSLSMPTSPTPVSSECTQQQGSLPAPTPRGRLVVLTGPSGVGKGTLVNQLRQRHPELY LSVSVTTRPPRPSEQEGVNYYFRSREEFLNLIEANELLEWAQYAGNFYGTPREIVFQKLN QGQDVLLEIELAGARQVRQQYPDAIRIFLCPPSLEELERRIRERGQDSEASIERRLEQAR KELDAQDEFDYVIVNDNLEQALQELEALLYPPSPSSKEQQP