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1.10.3.3: L-ascorbate oxidase

This is an abbreviated version!
For detailed information about L-ascorbate oxidase, go to the full flat file.

Word Map on EC 1.10.3.3

Reaction

4 L-ascorbate +

O2
= 4 monodehydroascorbate + 2 H2O

Synonyms

AA oxidase, AA-ox, AAO, AAO1, AAO2, AAO3, Aao4, Af_AO1, AO1, AO4, AOase, ASC oxidase, ascorbase, ascorbate dehydrogenase, ascorbate oxidase, ascorbic acid oxidase, ascorbic oxidase, ASOM, L-ascorbate:O2 oxidoreductase, L-ascorbic acid oxidase, oxidase, ascorbate

ECTree

     1 Oxidoreductases
         1.10 Acting on diphenols and related substances as donors
             1.10.3 With oxygen as acceptor
                1.10.3.3 L-ascorbate oxidase

Substrates Products

Substrates Products on EC 1.10.3.3 - L-ascorbate oxidase

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SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
2 hydroquinone + O2
2 quinone + 2 H2O
show the reaction diagram
Cucurbita pepo condensa
-
at pH 7.2
-
?
2 L-ascorbate + O2
2 L-dehydroascorbate + 2 H2O
show the reaction diagram
2 L-ascorbate + O2 + 4 H+
2 monodehydroascorbate + 2 H2O
show the reaction diagram
2 L-ascorbic acid + O2
2 L-dehydroascorbic acid + 2 H2O
show the reaction diagram
2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) + O2
?
show the reaction diagram
2,5-dichlorohydroquinone + O2
2,5-dichloroquinone + H2O
show the reaction diagram
2,6-dichlorohydroquinone + O2
2,6-dichloroquinone + H2O
show the reaction diagram
2,6-dichloroindophenol + O2
oxidized 2,6-dichloroindophenol + H2O
show the reaction diagram
4 L-ascorbate + O2
4 monodehydroascorbate + 2 H2O
show the reaction diagram
5,6-ene-L-ascorbate + O2
5,6-ene-L-dehydroascorbate
show the reaction diagram
Cucurbita pepo medullosa
-
-
-
?
5,6-isopropylidene-L-ascorbate + O2
5,6-isopropylidene-L-dehydroascorbate
show the reaction diagram
Cucurbita pepo medullosa
-
-
-
?
5-methyl-5-O-(alpha-D-glucopyranosyl)-D-erythroascorbic acid + O2
? + H2O2
show the reaction diagram
5-methyl-5-O-(alpha-D-xylopyranosyl)-D-erythroascorbic acid + O2
? + H2O2
show the reaction diagram
5-O-(alpha-D-glucopyranosyl)-D-erythroascorbic acid + O2
? + H2O2
show the reaction diagram
5-O-(alpha-D-xylopyranosyl)-D-erythroascorbic acid + O2
? + H2O2
show the reaction diagram
6-amino-L-ascorbate + O2
6-amino-L-dehydroascorbate
show the reaction diagram
Cucurbita pepo medullosa
-
-
-
?
6-bromo-L-ascorbate + O2
6-bromo-L-dehydroascorbate
show the reaction diagram
Cucurbita pepo medullosa
-
-
-
?
6-deoxy-L-ascorbate + O2
6-deoxy-L-dehydroascorbate
show the reaction diagram
Cucurbita pepo medullosa
-
-
-
?
6-O-phenyl-L-ascorbate + O2
6-O-phenyl-L-dehydroascorbate
show the reaction diagram
Cucurbita pepo medullosa
-
-
-
?
6-S-phenyl-L-ascorbate + O2
6-S-phenyl-L-dehydroascorbate
show the reaction diagram
Cucurbita pepo medullosa
-
-
-
?
chlorohydroquinone + O2
chloroquinone + H2O
show the reaction diagram
Cucurbita sp.
-
6% of activity with L-ascorbic acid
-
?
D-erythroascorbic acid + O2
? + H2O2
show the reaction diagram
-
-
-
-
?
D-glucoascorbic acid + O2
D-glucodehydroascorbate + H2O
show the reaction diagram
Cucurbita pepo condensa
-
-
-
?
D-isoascorbate + O2
2-dehydroisoascorbate + H2O
show the reaction diagram
D-isoascorbate + O2
?
show the reaction diagram
Cucurbita pepo medullosa
-
-
-
-
?
D-isoascorbic acid + O2
2-dehydroisoascorbate + H2O
show the reaction diagram
hydroxyhydroquinone + O2
hydroxyquinone + H2O
show the reaction diagram
Cucurbita pepo condensa
-
oxidation rate approx. 1/12 that of ascorbic acid, pH 5.7
-
?
L-ascorbate + O2
monodehydroascorbate + H2O
show the reaction diagram
L-ascorbyl-6-palmitate + O2
L-dehydroascorbyl-6-palmitate
show the reaction diagram
-
36% of activity with L-ascorbate
-
?
L-ascorbyl-6-stearate + O2
L-dehydroascorbyl-6-stearate
show the reaction diagram
-
29% of activity with L-ascorbate
-
?
leuco 2,6-dichloroindophenol + O2
oxidized leuco 2,6-dichloroindophenol + H2O
show the reaction diagram
Cucurbita pepo condensa
-
oxidation to the blue quinoid dye at pH 5.7
-
?
additional information
?
-