>tr|A6VHE4|A6VHE4_METM7 Methyl-coenzyme M reductase, protein D OS=Methanococcus maripaludis (strain C7 / ATCC BAA-1331) OX=426368 GN=MmarC7_0803 PE=4 SV=1 MIELEVFPHRYLKAETTEKFLNSAYSLSTVQRVVIHGESLPKKVGYGPAKGSPVNHSEKK EITVRGVPVELMLQVGRLWVLLDDESEIEKIDEICKDLFPFGYRLTKGKFLRDTPTVTDF IKYGESAVNDIDKRLLSATDPRSKFDSTVALIPKSETNE