CoB-CoM heterodisulfide reductase complex cellular_component A protein complex that in Methanobacterium thermoautotrophicum is composed of six subunits, and in Methanosarcina barkeri contains is composed of either two subunits or nine subunits. Catalyzes the conversion of coenzyme B, coenzyme M, and methanophenazine to form N-{7-[(2-sulfoethyl)dithio]heptanoyl}-3-O-phospho-L-threonine and dihydromethanophenazine. jl GO:0044678 hydrogen:coenzyme-M-7-mercaptoheptanoylthreonine-phosphate-heterodisulfide oxidoreductase complex coenzyme M-7-mercaptoheptanoylthreonine-phosphate-heterodisulfide hydrogenase complex 2012-08-09T11:01:43Z oxidoreductase complex