Enzymatic reactions [BR:br08201]
1. Oxidoreductase reactions
1.13 Acting on single donors with incorporation of molecular oxygen (oxygenases)
1.13.11 With incorporation of two atoms of oxygen
1.13.11.25
R04597 3,4-Dihydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione + Oxygen <=> 3-Hydroxy-5,9,17-trioxo-4,5:9,10-disecoandrosta-1(10),2-dien-4-oate