>8Q5X_1|Chains A, B, C, D|Nitrogenase iron protein|Methanococcus maripaludis S2 (267377) MVRKIAIYGKGGIGKSTTTQNTVAAMAHFHDKKVFIHGCDPKADSTRLILHGKQQVTMMDTLREKGEDECTPDKVIEVGFGGVKCVESGGPEPGVGCAGRGVITAITLMEQHGVYEDDLDFVFFDVLGDVVCGGFAMPVRDGKADEIYVVASGEMMALYAANNICKGMVKYAEQSGVRLGGIICNSRNVDGELDLLQEFCDKIGTQLIHFVPRDNIVQKAEFQKKAVVDYDDTCNQALEYKELARKIIENENLVIPTPMTMDELEELTSKYGFLDGRAIEGRHHHHHH