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
1.13.11.8
R01632 3,4-Dihydroxybenzoate + Oxygen <=> 4-Carboxy-2-hydroxymuconate semialdehyde