>sp|Q8Q0T0|HDRA_METMA Ferredoxin:CoB-CoM heterodisulfide reductase subunit A OS=Methanosarcina mazei (strain ATCC BAA-159 / DSM 3647 / Goe1 / Go1 / JCM 11833 / OCM 88) OX=192952 GN=hdrA PE=3 SV=1 MRIGVYVCHCGLNIAGVIDVSALEEMAGELEDVVLAREVQFLCSDSGQEGIIKDIKDNKIDRVVIAACSPRLHEKTFRHV MEKADLNPYLMEMVNIREQCSWVHADDPQMATQKAFDLIRMGVAKARFLRELSATSSKASRNVLIIGGGVAGIEAALNLA EAGFPVTMVERESTIGGKMALMNEVFPTNDCSICVLAPKMTEVQNHPNITLYTYSEVTDISGSVGKFHVRVTRKPRFVLE DKCKGCVDLCSEVCPVEIENPMNYGIGKSRAIYMPIPQSVPQVVLIDPDHCVGCGLCQLACPAEAVDYEQKPEEIEFEAG AVIVSTGYQLFDASRKKEYGFGKYPDVITNMQLERMLNSAGPTGGRVLVPSTGQPPESVAFIQCVGSRDKTVGNEHCSRV CCMAALKNSQMVKERYPGTDITIHYIDIRAAGEMYEEYYARTQGMGVDFIRGKVAEVYAGEDGRPVVRYENTLESRVEEE AHDLVVLSTGYEPSKAAEGIGRMLNLARRPDRFFASAHPKMRPVDAPVSGVFLAGCASGPKEIQVSIAQGSACASKVMQL LGTGELEADPMGAHVDPDKCIGCRTCVEVCKFGKISIVDKKAVVDEVSCYGCGDCSAACPVGAIQMRNFENEQILAQVRA ATAHKSQCPFVVAFLCNWCSYACADLTGMSRIHYPTNIRVIRTMCSARINPEFVLEALKGGADGVLVAGCRMDECHYIHG NFDAKKRMDVLKEIIKEIGLDPKRLRTLWISAAEGERFSNTITEFVKELEEIGPIGSELKREYTATGLEEVAK