L-ascorbate oxidase explained

L-ascorbate oxidase
Ec Number:	1.10.3.3
Cas Number:	9029-44-1
Go Code:	0008447
Width:	270

In enzymology, a L-ascorbate oxidase is an enzyme that catalyzes the chemical reaction

2 L-ascorbate + O₂

\rightleftharpoons 2 dehydroascorbate + 2 H₂O

Thus, the two substrates of this enzyme are L-ascorbate and O₂, whereas its two products are dehydroascorbate and H₂O.^[1]

Function

This enzyme belongs to the family of oxidoreductases, specifically those acting on diphenols and related substances as donor with oxygen as acceptor. This enzyme participates in ascorbate metabolism. It employs one cofactor, copper.It has anti-aging effects

Nomenclature

The systematic name of this enzyme class is L-ascorbate:oxygen oxidoreductase. Other names in common use include ascorbase, ascorbic acid oxidase, ascorbate oxidase, ascorbic oxidase, ascorbate dehydrogenase, L-ascorbic acid oxidase, AAO, L-ascorbate:O2 oxidoreductase, and AA oxidase.

Further reading

• Book: Boyer PD, Lardy H, Myrback K . The Enzymes . 2nd . 8 . Academic Press . New York . 1963 . 297–311 .

Notes and References

1. Book: Mondovì B, Avigliano L . Ascorbate oxidase. . Lontie R . Copper Proteins and Copper Enzymes . February 1984 . 101–118 . Boca Raton . CRC Press . 978-1-351-07089-8 . 10.1201/9781351070898 .