coenzyme B + coenzyme M + fumarate => coenzyme M-coenzyme B heterodisulfide + succinate
coenzyme b + coenzyme m + fumarate => coenzyme m-coenzyme b heterodisulfide + succinate
coenzyme B + coenzyme M + fumarate => coenzyme M-coenzyme B heterodisulfide + succinate
coenzyme b + coenzyme m + fumarate => coenzyme m-coenzyme b heterodisulfide + succinate