>tr|A0A0G3CD36|A0A0G3CD36_METBA Nitrogen regulatory protein NifI1 OS=Methanosarcina barkeri CM1 GN=nifI1 MQMIRAIIRPGMETKVIECLEKEGCISLTKMEVFGRGKQKGIHIADISYDELQKTMLLMV VEDEHKDRAIKTIMESARTGKYGDGRIFVTPVEEAYTIRTGKPGL