>AF_AFP25770F1_1|Chain A|Nitrogen fixation nifHD region GlnB-like protein 2|Methanothermococcus thermolithotrophicus (2186) MKEVIAIIRPNTVSKTVKALDVVGFPAVTMAECFGRGKQKGYFSANLPEIVDIQKIIEEGEKEGRFIKYIPKRLISIVVDDADVPLVVGIISKVNRTGSFGDGRIFVLPVEEAIRVRTGETGEIAIGN