>AF_AFQ50786F1_1|Chain A|Nitrogen fixation nifHD region GlnB-like protein 1|Methanothermobacter marburgensis (strain ATCC BAA-927 / DSM 2133 / JCM 14651 / NBRC 100331 / OCM 82 / Marburg) (79929) MKMIRAIIRPEKSEEVADALDDAGFPALTKIDVIGRGKQKGIRFDEIYYDEIPKTMMLIVVDDADAERVVLVISESGYTGKIGDGKIFISPVENAYTVRTREEGL