>sp|O27612|GLNA_METTH Glutamine synthetase OS=Methanothermobacter thermautotrophicus GN=glnA MSDKIGRIIAKMDECGVKFVRLQFVDIHGKPKNMAIPLVRPDQIEDIIKDGLLFDGSSVE GFVDINESDLVLKPDPDTFSTLPWRPEEKGVCRFICDIYWPDGKPFEGDPRYVLKRALDK YAHLGYEYNVGPEPEFFILDQDEDGNIIPHDCGAYFDVEPVDQGTDFRRKLVMDLEALNF DVEVSHHEVAPGQHEIDFKFDKALKTADAVITFKQAIKAIVDKIGYMVTFMPKPFFGENG SGMHCHQSLFKDGENVFYDPDTETQLSEEALYFIGGLLKHAPALTAVCAPTVNSYKRLVP GYEAPVYIAYGLKNRSTLIRIPASRGKGTRVELRMPDPSCNPYLAFAAMLEAGMNGIQNK IDPGEPTEIDVYEKSMSELREMGIETLPSSLWEAYHALEEDDVIKGALGGHVYEKFMEIK HREWDDYRVRVFKYELERYLDI