Ascorbate Oxidase from Cucurbita sp.
lyophilized powder, 1,000-3,000 units/mg protein
DOWNLOAD MSDS (PDF)Synonym:
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CAS Number 9029-44-1
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EC Number 232-852-6
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MDL number MFCD00130560
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Popular Documents: Datasheet (PDF) | Specification Sheet (PDF)
| Properties
| Related Categories | 1.10.x.x Acting on diphenols and related subs., 1.x.x.x Oxidoreductases, Biochemicals and Reagents, Enzyme Class Index, Enzymes, Inhibitors, and Substrates, |
| form | lyophilized powder |
| composition | Protein, ~10% Lowry |
| storage temp. | 2-8°C |
Description
Unit Definition
One unit will oxidize 1.0 μmole of
Physical form
Lyophilized powder containing buffers and sucrose as stabilizer.
Application
Ascorbate oxidase, from Cucurbita sp., may be used to study oxidative stress and heat stress response and tolerance. Ascorbate oxidase, from Sigma, has been used in ascorbic acid assays to study the heat stress response of Arabidopsis 1.
Biochem/physiol Actions
Ascorbate oxidase converts ascorbic acid to dehydroascorbic acid. It is highly specific for L-ascorbic acid and a few analogs. Ascorbate oxidase exists as a dimer and has a molecular weight of approximately 140 kDa.
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