| Enzyme |
B-Galactosidase |
| EC |
3.2.1.23 |
| Source |
Microbial |
| Catalyzed reaction |
Catalyzes the hydrolysis of β-galactosides into monosaccharides |
| Known substrates |
This β-galactosidase is extremely specific for galacto-, fuco- and arabinoside substrates and it shows a catalytic efficiency on lactulose 7-fold higher than that on lactose. This enzyme does not need divalent ion cofactors to work. |
| PH |
5.5 |
| Temperature |
85°C |
| Order code |
β-GAL-135 |
β-GAL-540 |
β-GAL-BULK |
| Pack size (Units) |
135 KU |
540 KU |
Bulk |
| Price (€) |
140.00 € |
450.00 € |
on demand |
| Formulation |
Suspension in Ammonium Sulphate |
| Activity |
> 900 U/ml (65°C) or > 60 UI/ml (37°C) |
| Specific activity |
> 800 UI/mg (65°C) or > 50 UI/mg (37°C) |
| Unit definition |
One Unit is defined as the amount of enxyme required to hydrolyse one micromole of o-nitrophenyl- β-D-Galactopyranoside to o-nitrophenol and D-galactose per minute at pH 5.6 and the indicated temperature. |
| Storage condition |
+ 4°C |
| Other information |
Swirl to mix the suspension immediately prior to use |