>sp|Q8R9S6|KGUA_CALS4 Guanylate kinase OS=Caldanaerobacter subterraneus subsp. tengcongensis GN=gmk MSIKKQGLLIVISGPSGAGKGTICKALIEKEKDLKLSISATTRQPRAGEVDGKNYFFKSE EEFKRMIEEDAFLEWAKVYDHYYGTPKEFVLKNLEEGNDVVLEIDIQGALKVKEKFPEGV FIFILPPSMEELRNRIKKRGTESEEEIIKRFKSAYEELNYVSKYNYVVINDDVDRAVEKI RAIIIAEKCRVDRNKDLYLKIREESV