>sp|Q46GV6|KGUA_PROMT Guanylate kinase OS=Prochlorococcus marinus (strain NATL2A) OX=59920 GN=gmk PE=3 SV=1
MSSLGNLTVLTGPSGVGKGTIVRKILESHSDVWLSISATTRQPRSGEIDGEHYFFLEKKQ
FQEIIDKDGFLEWASFSNNFYGTPKKIVKEKIEKGTNVLLEIELEGARQIRKSFPEAFQI
FLAPPNLYELEKRIRGRGTETEESIRDRLSIAEKELIAQKEFDAVVINEDIEKAFKEIEG
FMGLKL