>tr|A0A832SJH7|A0A832SJH7_9EURY CoB--CoM heterodisulfide reductase subunit B OS=Methanosarcina acetivorans GN=hdrB MAKLSLFRGCIVPNRYPGIEKATKLCLQKLEVDAVDLPGASCCPAPGVFKSFDKATWLAL ASRNIVLSERMGRDILTVCNGCYGSLADANIELKNDPEMKACTNSCLKEIGMEYKGTAEV RHIIEFLYKELGPEKLKSFITTPLDLKVALHYGCHLIKPSKERNLGETEAPVFFDELVEA TGAKSVDYTDKMMCCGAGGGVRSGHAAESLEMLEHKLACIRNAGVDCIVNACPFCHLQFD RGQLAVNEKFGTDYSIPVLHYSQLLGLALGFSPDELGIEQNAIQNIEFLAKIYEISAGLR