ID 1.13.11.14 DE 2,3-dihydroxybenzoate 3,4-dioxygenase. AN 2,3-dihydroxybenzoic oxygenase. AN o-pyrocatechuate oxygenase. CA 2,3-dihydroxybenzoate + O(2) = 3-carboxy-2-hydroxymuconate semialdehyde. //