Product Catalog
ß-Galactosidase from E. coli overproducer | |
| Catalog Number | Pack size | |
|---|---|---|
| 10105031001 | 1,500 U | Order and Price Information |
Application
β-Galactosidase is used to produce a calibration curve in enzymatic assays.
Product Description
β-D-Galactoside galactohydrolase
EC 3.2.1.23
Molecular weight: Mr = 540 kD
Optimum pH: 7.0
Specific activity: approx. 300 U/mg at 37°C with 2-nitrophenyl-β-D-galactoside as the substrate (approx. 30 U/mg at 25°C with lactose as the substrate); standardized with BSA
Specificity: cleaves terminal galactose residues that are β1,4-linked to a monosaccharide, oligosaccharide, or glycopeptide.
EC 3.2.1.23
Molecular weight: Mr = 540 kD
Optimum pH: 7.0
Specific activity: approx. 300 U/mg at 37°C with 2-nitrophenyl-β-D-galactoside as the substrate (approx. 30 U/mg at 25°C with lactose as the substrate); standardized with BSA
Specificity: cleaves terminal galactose residues that are β1,4-linked to a monosaccharide, oligosaccharide, or glycopeptide.
Contents
Suspension, in 3.2 M ammonium sulfate solution, pH approx. 6, crystaline
Quality
Contaminants:β-fructosidase, α-galactosidase, glucose dehydrogenase, α-glucosidase, “NADH oxidase” each <0.001%
Additional Information
Instructions for Use and Material Safety Data Sheets
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