>sp|Q5N570|KGUA_SYNP6 Guanylate kinase OS=Synechococcus sp. GN=gmk MSIGRVVVLTGPSGVGKGTLLKAILSQHPEAFLSISATTRSPRPGEVDGQHYYFLSREEF QTKIAEQEFLEWAEFAGNLYGTPRSPVIEQVNLGRTVILEIELEGARQVRKTLPSARQVV LLPPSVEELEQRIRERATEDEAAIARRLLQAQTEIGAAKEFDRCVINDQLDTAITALEAA IFS