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
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1.10.3.3
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copper
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dehydroascorbic
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electrode
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laccase
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oxidases
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ceruloplasmin
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zucchini
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cucurbita
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cucumber
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amperometric
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trinuclear
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apoplastic
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monodehydroascorbate
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squash
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multi-copper
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ascorbate-dependent
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copper-containing
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plastocyanin
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pumpkin
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azurins
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ascorbyl
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ascorbate-glutathione
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myrothecium
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vernicifera
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ferroxidase
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agriculture
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medicine
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analysis
- 1.10.3.3
- copper
-
dehydroascorbic
-
electrode
- laccase
- oxidases
- ceruloplasmin
- zucchini
- cucurbita
- cucumber
-
amperometric
-
trinuclear
- apoplastic
- monodehydroascorbate
- squash
-
multi-copper
-
ascorbate-dependent
-
copper-containing
- plastocyanin
- pumpkin
- azurins
-
ascorbyl
-
ascorbate-glutathione
- myrothecium
- vernicifera
- ferroxidase
- agriculture
- medicine
- analysis
Reaction
4 L-ascorbate + = 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
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KM Value
KM Value on EC 1.10.3.3 - L-ascorbate oxidase
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1.89
2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid)
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pH 3.4, 30°C
0.554
5,6-isopropylidene-L-ascorbate
Cucurbita pepo medullosa
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commercial enzyme preparation from Sigma
0.132
L-ascorbate
Cucurbita pepo medullosa
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activity in media of 10 days old cell culture treated with 0.004 mg/ml tunicamycin
additional information
additional information
Cucurbita pepo medullosa
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Km of the native enzyme and various deglycosylated forms
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additional information
additional information
Cucurbita pepo condensa
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Km of ascorbate and O2 is insensitive to pH in the range of 5.0-8.5
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additional information
additional information
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Michaelis-Menten kinetics, and thermodynamics at 25-48 °C, detailed overview
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