>tr|Q49601|Q49601_9EURY Methyl-coenzyme M reductase subunit beta OS=Methanopyrus kandleri GN=mcrB MAREAKDTVDLYDDRGNCVAEEVPIEVLSPMRNEAIQSIVNDIKRTVAIDLEGIENALQN ATVGGKGMKIPGREMDVDIVDNAEAIADEIEKMIRVYEDDDTNVEPMYDGKRLLVQLPSE RVKVMADPYSGTLQAGMAVVHAIIDVCEVDMWDANMVKAAVFGRYPQTIDYFGGNVASML DVPMKQEGVGYALRNIMVNHIVAATRKNTMQAVCLAATLEQTAMFEMGDALGPFERLHLL GYAYQGLNADNMVYDIVKKHGKEGTVGTVVREVVERALEDGVIEVKEELPSGFKVYKAND MDLWNAYAAAGLVAAVMVNQGAARAAQGVSATILYYNDLLEYETGLPGVDFGRAEGTAVG FSFFSHSIYGGGGPGIFHGNHIVTRHSKGFAIPPVAAAMALDAGTQMFSPEVTSKLIGDV FGEIDEFREPMKYITEAAAEEAKR