>tr|A0A562HNU8|A0A562HNU8_9FIRM NADH-quinone oxidoreductase subunit B OS=Desulfitobacterium sp. LBE GN=nuoB MDVAKEKELREAEALMEKNVLLTSIDKVLNWGRGHSFWPVTFGLACCAIEMMAAGGPRVD ISRFGYEVFRASPRHADVMIVAGTCTRKMAPLLRMIYDQMPEPKWVIAMGSCASAGGPFA DSYSMLTGVDKIVPVDVYIPGCPPRPESLVYGLLQLQHKVNHPDKVRLLKHGK