1.8.7.3 2 reduced ferredoxin [iron-sulfur] cluster + CoB + CoM + 2 H+ 1.8.7.3 2 reduced ferredoxin [iron-sulfur] cluster + CoM-S-S-CoB + 2 H+ 1.8.7.3 additional information 1.8.7.3 oxidized ferredoxin [iron-sulfur] cluster + CoB + CoM 1.8.7.3 reduced ferredoxin [iron-sulfur] cluster + CoM-S-S-CoB + H+ 1.8.7.3 reduced ferredoxin [iron-sulfur] cluster + DsrC-S-S-DsrC + H+