>sp|Q8PVW3|HDRD_METMA Dihydromethanophenazine:CoB--CoM heterodisulfide reductase subunit D OS=Methanosarcina mazei (strain ATCC BAA-159 / DSM 3647 / Goe1 / Go1 / JCM 11833 / OCM 88) OX=192952 GN=hdrD PE=1 SV=2 MAKKTPSIDTKNLTAVQLMELDSCTRCGECVKWCPTYAASGQKPGLAPRDKILRWRQFMNKSYGIKAKLFGPTEIPQSEL EEFKDDVHGCTTCGICATVCESGINTVELWEALRTNLVKKGIGPFGKQNMFPKLIGQYHNPYMKDQKDRLNWVPPDVKIE DKADVVYFTGCTAGYNQLALAFATARVLNKLGVKFSMLGEEEWCCGSALIRTGQVHVDDVPRELARHNVEALKKKGAKKV LYACAGCFRASKVDWPRLLGEELPFEVVHVAEFLADLIKQDKIKWEKSINKTVTYHDPCHLGRHVGVFDAPRYVLSHIPG VKFVEMDRVKEFQRCCGAGGGVKAGIPDLALGVAESRVKDAVATDADILSSCCPFCKRNLMDGRDSLKVDMVVEDVIELV AEALGLETK