>sp|Q0I868|KGUA_SYNS3 Guanylate kinase OS=Synechococcus sp. GN=gmk MAPDGSIARPTVLTGPSGVGKGTLVARLRERHPEIWLSVSATTRAPRSGEIDGIHYFFHS KERFNKLVQSGGLLEWAEFAGNCYGTPREPVSERVANGIPVLLEIELEGARQVRKSLPEA IQIFLAPPSVEELEKRIRGRGTEAEEAIQRRLKRAQEELEAQTEFDAVIVNDDLETALAE LEKQMNLTIS