Enzymatic reactions [BR:br08201]
1. Oxidoreductase reactions
1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen
1.14.15 With reduced iron-sulfur protein as one donor, and incorporation of one atom of oxygen into the other donor
1.14.15.29
R11357 Cholest-4-en-3-one + 6 Reduced ferredoxin + 6 H+ + 3 Oxygen <=> Delta4-Dafachronic acid + 6 Oxidized ferredoxin + 4 H2O