ID 1.13.11.88 DE Isoeugenol monooxygenase. CA Isoeugenol + O(2) = vanillin + acetaldehyde. CC -!- Contains Fe(2+). CC -!- The enzyme, charcterised from the bacteria Pseudomonas putida and CC Pseudomonas nitroreducens, catalyzes the epoxidation of the double CC bond in the side chain of isoeugenol, followed by a second CC oxygenation and cleavage of the side chain in the form of CC acetaldehyde. //