>sp|P07956|MCRB_METVA Methyl-coenzyme M reductase subunit beta OS=Methanococcus vannielii GN=mcrB MVKYEDKISLYDAKGNLVAENVPLEAISPLYNPTIKSMLKNIKRTVAVNLADIENTLATG SIGGKGCKVPGRTLDLSVVSNAQAIADEVEKILKVSKDDDTAIKLINGGKQMAVQVPSER LEVAAEYSVSMLATAMALKEAIIKTFNVDMFEGSTVHASIMGNYPQVMDYAGGNIASLLG APSNLEGLGYALRNIPVNHAVATTKKNMMNAIAFSSVMEQTATFEMGDAIGSFERQHLLG LAYQGLNADNLVIEFIKANGKGTVGTVVQSVVERALADGVIVVDKTMGSGFNMYKPADVN KWNAYAAAGLVAAAAVSCGAARAAQNIASVILYYNDILEYETGLPGVDYGRSMGTAVGFS FFSHSIYGGGGPGIFNGNHVVTRHSKGFAIPPVCAAMCADAGTQMFSPEHTSALVGAVYS AFDEFREPMKYVIERALNIKDKL