Ascorbate peroxidase
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Ascorbate peroxidases are enzymes that detoxify peroxides such as hydrogen peroxide using ascorbate as a substrate. The reaction they catalyse is the transfer of electrons from ascorbate to a peroxide, producing dehydroascorbate and water as products.
Ascorbate + Hydrogen peroxide → Dehydroascorbate + Water
C6H8O6 + H2O2 → C6H6O6 + 2 H2O
These enzymes are commonly hemoproteins and the haem cofactor is the site of the oxidation-reduction reaction shown above.
L-ascorbate peroxidase (EC-Number 1.11.1.11 )
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