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