- 商品介绍
- 规格参数
- 包装参数
General description
Recombinant, Bacteroides fragilis endo-β-galactosidase expressed in E. coli. Endo-β-Galactosidase is an enzyme that hydrolyzes internal β-galactosidic linkages of oligosaccharides in poly-N-acetyl-lactosamine structures. This enzyme resembles the Escherichia freundii enzyme due to its specificity towards bovine corneal keratan sulphate, milk oligosaccharides and the glycolipids lacto-N-neotetraosylceramide and lacto-N-tetraosylceramide.
Recombinant, Bacteroides fragilis endo-β-galactosidase expressed in E. coli. Endo-β-Galactosidase is an enzyme that hydrolyzes internal β-galactosidic linkages of oligosaccharides in poly-N-acetyl-lactosamine structures. This enzyme resembles the Escherichia freundii enzyme due to its specificity towards bovine corneal keratan sulphate, milk oligosaccharides and the glycolipids lacto-N-neotetraosylceramide and lacto-N-tetraosylceramide. Optimum pH: 5.8.
Physical form
Sterile-filtered in 20 mM Tris-HCl, pH 7.5.
Preparation Note
There is no significant loss of activity if left at ambient temperature for several days. The enzyme is active for at least 5 days under the Recommended Reaction Conditions above.
Other Notes
Murata, T., et al. 2003. Eur. J. Biochem.270, 3709.
Scudder, P., et al. 1986. Eur. J. Biochem.157, 365.
Scudder, P., et al. 1984. J. Biol. Chem.259, 6586.
Scudder, P., et al. 1983. Biochem. J.213, 485.
One unit is defined as the amount of enzyme that will liberate one µmol reducing sugar from bovine corneal keratan sulfate per min at 37°C, pH 5.8.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
Toxicity: Standard Handling (A)
| recombinant | expressed in E. coli |
| Quality Level | 100 |
| conjugate | (Glucosaminoglycan) |
| form | liquid |
| specific activity | ≥14 U/mL,≥140 units/mg protein |
| manufacturer/tradename | Calbiochem® |
| storage condition | OK to freeze |
| shipped in | ambient |
| storage temp. | 2-8°C |
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