>sp|Q8TSX9|RNFB_METAC Ion-translocating oxidoreductase complex subunit B OS=Methanosarcina acetivorans GN=rnfB MSSVLINSIAVLAGLGFAVGVMLVIASKVFKIDSNPLIDDVASLLPGANCGGCGFAGCAA CAEAIVEQGAPVNSCPVGGFEVAKQIGALLGQEVTESEKEFPFVRCQGGNQHCTTLYDYH GVENCKVALMLCDSRKGCTYGCLGLGTCVQACQFGALSMGEDGFPVVNKALCTSCGNCIA ACPNGVLTFARDSEKVHVLCRSHDKGKDVKAVCEVGCIGCKKCEKECPAGAIRVTEFLAE IDQEKCTACGACVAICPQKAIELR