>sp|Q60390|MCRY_METJA Methyl-coenzyme M reductase II subunit beta OS=Methanocaldococcus jannaschii GN=mrtB MLHYEDRIDLYDERGKLLEENVPLEAISPLKNPTIEKIVNDIKRSVAINLAGIENALKTG AVGGKACFCPGRELDLPIVENAEIIAEKIKRMVQIEEDDDTVVKLINGGKQLLLQLPSKR LRVAADYTVSALIGGGATVQAIVDAFDVDMFDAPVVKTAVMGRYPQTVDFHGANIATLLG PPVLLEGLGYGLRNIMANHIVAVTRKKTLNAVALASILEQTAMFETGDALGAFERLHLLG LAFQGLNANNLTYELVKENGKDGTVGTVVASVVERALEDGVIRPLKTMPSGFTVYEPVDW ALWNAYAASGLVAAVIVNVGAARAAQGVASTVLYYNDILEYETGLPSVDFGRAEGTAVGF SFFSHSIYGGGGPGTFHGNHVVTRHSKGFAIPCAAAAMCLDAGTQMFSVERTSALVGTVY SAIDHLREPLKYVAEGAVEVKEKEKVI