Enzymatic reactions [BR:br08201]
1. Oxidoreductase reactions
1.3 Acting on the CH-CH group of donors
1.3.4 With a disulfide as acceptor
1.3.4.1
R10660 Fumarate + Coenzyme M + Coenzyme B <=> Succinate + Coenzyme M 7-mercaptoheptanoylthreonine-phosphate heterodisulfide