 Indole 2,3-dioxygenase

In enzymology, an indole 2,3-dioxygenase () is an enzyme that catalyzes the chemical reaction

Thus, the two substrates of this enzyme are indole and O2, whereas its product is 2-formylaminobenzaldehyde.This enzyme belongs to the family of oxidoreductases, specifically those acting on single donors with O2 as oxidant and incorporation of two atoms of oxygen into the substrate (oxygenases).