conjugate
(Glucosaminoglycan)
Quality Level
form
lyophilized powder
specific activity
0.5-1.5 units/mg protein (using chondroitin sulfate A as substrate)
composition
Protein, ~15% Lowry
solubility
0.02 M phosphate buffer: soluble (pH 7.0)
foreign activity
Glycosaminoglycan (GAG) degradation enzymes, may contain trace amount
storage temp.
−20°C
Application
Chondroitinase AC from Sigma has been used for the large scale preparation of glycosaminoglycan (GAG) fractions during the study of structural and sequence motifs in dermatan sulfate.
Chondroitinase AC has been applied to the analysis of chondroitin sulfate in commercial samples such as dietary supplements.
Depending on reaction conditions, digestion of chondroitin sulfate may result in hydrolysis of disaccharides
Biochem/physiol Actions
Chondroitinase AC from Flavobacterium heparinum is an enzyme that cleaves sulfated and non-sulfated polysaccharide chains with (1-4) linkages between hexosamines and glucuronic acid residues, by an elimination mechanism. The resulting oligosaccharide products are mainly disaccharides with unsaturated uronic acids. Chondroitinase AC specifically degrades chondroitin sulfates A and C, but not chondroitin sulfate B (dermatan sulfate).
Preparation Note
Reconstitute the product in 20 mM phosphate buffer, pH 7.0. Subsequent dilutions can be made with a 0.01% aqueous bovine serum albumin solution.
Other Notes
查看有关 用于复合碳水化合物分析的酶 的更多信息,请访问 www.sigma-aldrich.com/enzymeexplorer
Contains potassium phosphate buffer salts and BSA as stabilizer.
One unit will cause a ΔA232 of 1.0 per minute due to the release of unsaturated disaccharide from chondroitin sulfate A at pH 7.3 at 37 °C. Reaction volume: 3.1 ml (light path 1 cm).
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存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
法规信息
常规特殊物品
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商品
Glycosaminoglycans are large linear polysaccharides constructed of repeating disaccharide units.
Uncover more about glycosaminoglycans and proteoglycans including the structure of glycosaminoglycans (GAGs), the different types of GAGs, and their functions.
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The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society, 59(8), 780-790 (2011-08-02)
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C B Knudson et al.
The Journal of cell biology, 100(5), 1753-1758 (1985-05-01)
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| 货号 | GTIN |
|---|---|
| C2780-5UN | 04061833484609 |