>sp|P21111|MCRY_METTH Methyl-coenzyme M reductase II subunit beta OS=Methanothermobacter thermautotrophicus GN=mrtB MPMYEDRIDLYGADGKLLEEDVPLEAVSPLKNPTIANLVSDVKRSVAVNLAGIEGSLKKA ALGGKSNFIPGREVELPIVENAEAIAEKVKRLVQTSEDDDTNIRLINNGQQILVQVPTTR MGVAADYTVSALVTGAAVVQAIIDEFDVDMFDANAVKTAVMGRYPQTVDFTGANLSTLLG PPVLLEGLGYGLRNIMANHVVAITRKNTLNASALSSILEQTAMFETGDAVGAFERMHLLG LAYQGLNANNLLFDLVKENSKGTVGTVIASLVERAIEDRVIKVASEMKSGYKMYEPADWA LWNAYAATGLLAATIVNVGAARAAQGVASTVLYYNDILEYETGLPGVDFGRAMGTAVGFS FFSHSIYGGGGPGIFHGNHVVTRHSKGFALPCVAAAMCLDAGTQMFSVEKTSGLIGSVYS EIDYFREPIVNVAKGAAEIKDQL