>AF_AFA4XJK7F1_1|Chain A|FMN-dependent NADH:quinone oxidoreductase|Caldicellulosiruptor saccharolyticus (strain ATCC 43494 / DSM 8903 / Tp8T 6331) (351627) MAKLLYIKANPKSDQSSRTFIISEHFIKVYKEFHPNDQIITLDLYKEGIHFLSQEDINDIFAPKTEASKHHPILKYAYQFLEADKYVFAAPMWNLGIPAILKAYIDYITVSGITFKYTEQGAVGLLRGKKAVHIMATGGEYKTPPFSDFEMANRYLKTILGFMGVEDFQTITAQRLDIVGEDVEKIISNALKEAEEIAKRF