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You are here:Home » Molecular Biology » MB-Enzymes, Oxidase » Galactose Oxidase, Liquid (GAO, D-Galactose Oxygen-6-oxidoreductase)

Galactose Oxidase, Liquid (GAO, D-Galactose Oxygen-6-oxidoreductase)


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Galactose oxidase (GAO) produced by the fungus Dactylium dendroides is used in the quantitative determination of galactose in blood and other biological fluids. Because GAO oxidizes galactose even in polysaccharides it has been used to locate galactose histochemically and to detect and distinguish glycoproteins.
Catalog #G1040-01
Activity 30 units per dry weight
% CatalaseAs reported
mg/ml (A280)As reported
Unit Definition1 unit is a change in absorbance at 425 nm of 1.0 per minute at 25ºC, pH 6.0, in a coupled peroxidase/o-tolidine system, using galactose as a substrate.
Storage and StabilityMay be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
CAS Number9028-79-9
Molecular Weight~68kD
SourceDactylium dendroides
FormSupplied as a liquid in sodium phosphate and sucose.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Alternate namesEC=; Dactylium dendroides

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