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
1.14.15.9
R07525 Spirilloxanthin + 2 Oxygen + 4 Reduced ferredoxin + 4 H+ <=> 2-Ketospirilloxanthin + 3 H2O + 4 Oxidized ferredoxin