>sp|P51603|GLNB1_METIV Nitrogen fixation nifHD region GlnB-like protein 1 OS=Methanobacterium ivanovii GN=glnBA MKMIRAILRPDKVEEVVDALSNAGHVALTKMDVIGRGKQKGIRLDNIYYDELPKVMLLLV TPSEEIDDIIEIINETAFTGNFGDGKIFISPVEEAYTVRTRSKGL