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β-Galactosidase (Escherichia coli) 
Product code: E-ECBGAL
€177.00
1,200 Units
Prices exclude VAT
| Content: | 1,200 Units |
| Shipping Temperature: | Ambient |
| Storage Temperature: | 4oC |
| Formulation: | In 3.2 M ammonium sulphate |
| Physical Form: | Suspension |
| Stability: | > 4 years at 4oC |
| Enzyme Activity: | β-Galactosidase |
| EC Number: | 3.2.1.23 |
| CAZy Family: | GH2 |
| CAS Number: | 9031-11-2 |
| Synonyms: | beta-D-galactoside galactohydrolase |
| Source: | Escherichia coli |
| Molecular Weight: | 116,000 |
| Concentration: | Supplied at ~ 900 U/mL |
| Expression: | From Escherichia coli |
| Specificity: | Hydrolysis of terminal non-reducing β-D-galactose residues in β-D-galactosides. |
| Specific Activity: | ~ 35 U/mg (40oC, pH 6.5 on p-nitrophenyl-β-D-galactoside) |
| Unit Definition: | One Unit of β-galactosidase activity is defined as the amount of enzyme required to release one µmole of p-nitrophenol per minute from p-nitrophenyl-β-D-galactoside (10 mM) in sodium phosphate buffer (100 mM), pH 6.5 at 40oC. |
| Temperature Optima: | 40oC |
| pH Optima: | 6.5 |
| Application examples: | For use in research. |
High purity β-galactosidase (Escherichia coli) for use in research, biochemical enzyme assays and in vitro diagnostic analysis.
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O-GBI3 – 1,3-β-D-Galactobiose O-GBI4-20MG – 1,4-β-D-Galactobiose O-GBI6 – 1,6-β-D-Galactobiose O-LAC3 – 1,3-β-D-Galactosyl-D-glucose O-LAC6 – Allolactose (1,6-β-D-Galactosyl-D-glucose) O-GLAC6 – 6’-Galactosyllactose P-ARGAL – Arabinogalactan (Larch Wood)
Colourimetric Substrates
O-PNPBGAL – 4-Nitrophenyl-β-D-galactopyranoside
Associated Enzymes
E-GALCJ – endo-1,4-β-Galactanase (Cellvibrio japonicus) E-GALCT – endo-1,4-β-Galactanase
(Clostridium thermocellum)
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Similar Products
E-BGLAN – β-Galactosidase (Aspergillus niger)
Related Carbohydrates
O-GBI3 – 1,3-β-D-Galactobiose O-GBI4-20MG – 1,4-β-D-Galactobiose O-GBI6 – 1,6-β-D-Galactobiose O-LAC3 – 1,3-β-D-Galactosyl-D-glucose O-LAC6 – Allolactose (1,6-β-D-Galactosyl-D-glucose) O-GLAC6 – 6’-Galactosyllactose P-ARGAL – Arabinogalactan (Larch Wood)
Colourimetric Substrates
O-PNPBGAL – 4-Nitrophenyl-β-D-galactopyranoside
Associated Enzymes
E-GALCJ – endo-1,4-β-Galactanase (Cellvibrio japonicus) E-GALCT – endo-1,4-β-Galactanase
(Clostridium thermocellum)
(Clostridium thermocellum)
