beta-Galactosidase from bovine liver, Grade III, lyophilized powder, >=0.15 units/mg protein
Application
?-galactosidase was used in the production of a stabilized, single reagent for alcohol analysis.
Biochem/physiol Actions
β-galactosidase cleaves lactose into its monosaccharide components, glucose and galactose. It also catalyses the transglycosylation of glucose into allolactose, the inducer of β-galactosidase, in a feedback loop.
Packaging
10, 25, 50 units in poly bottle
Unit Definition
One unit will hydrolyze 1.0 µmole of o-nitrophenyl β-D-galactoside to o-nitrophenol and D-galactose per min at pH 7.3 at 37 °C.
| Quality Level | 200 |
|---|---|
| Manufacturer | SIGMA-ALDRICH |
| Composition | Protein, ≥40% |
| Storage Temp. | −20°C |
| Form | lyophilized powder |
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