>sp|P07956|MCRB_METVA Methyl-coenzyme M reductase subunit beta OS=Methanococcus vannielii OX=2187 GN=mcrB PE=3 SV=1 MVKYEDKISLYDAKGNLVAENVPLEAISPLYNPTIKSMLKNIKRTVAVNLADIENTLATG SIGGKGCKVPGRTLDLSVVSNAQAIADEVEKILKVSKDDDTAIKLINGGKQMAVQVPSER LEVAAEYSVSMLATAMALKEAIIKTFNVDMFEGSTVHASIMGNYPQVMDYAGGNIASLLG APSNLEGLGYALRNIPVNHAVATTKKNMMNAIAFSSVMEQTATFEMGDAIGSFERQHLLG LAYQGLNADNLVIEFIKANGKGTVGTVVQSVVERALADGVIVVDKTMGSGFNMYKPADVN KWNAYAAAGLVAAAAVSCGAARAAQNIASVILYYNDILEYETGLPGVDYGRSMGTAVGFS FFSHSIYGGGGPGIFNGNHVVTRHSKGFAIPPVCAAMCADAGTQMFSPEHTSALVGAVYS AFDEFREPMKYVIERALNIKDKL