 Ascorbate 2,3-dioxygenase

Ascorbate 2,3-dioxygenase () is an enzyme that catalyzes the chemical reaction

The 3 substrates of this enzyme are ascorbate, oxygen, and water, whereas its two products are oxalate and threonate.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).