Product Name

β-Galactosidase from bovine testes

Synonym

β-D-Galactoside galactohydrolase

Assay

1.0-3.0 units/mg protein (modified Warburg-Christian)

CAS Number

9031-11-2

MDL number

MFCD00130623

Suitability

BioReagent

l Physical and Chemical Information

Appearance

White ammonium sulfate suspension

Physical form

Suspension in 3.2 M (NH⁴)²SO⁴, pH approx. 5.0

l Biological Information

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.

Application

β-Galactosidase from bovine testes was used for coupling to Sepharose.

Unit Definition

One unit will hydrolyze 1.0 μmole of p-nitrophenyl β-D-galactopyranoside to p-nitrophenol and D-galactopyranose per min at pH 4.4 at 25 °C.

l Storage

Storage temp.

2-8°C

l Precautions and Disclaimer

This product is for R&D use only, not for drug, household, or other uses.

l References

1. http://www.drugbank.ca

2. https://ncit.nci.nih.gov

3. https://www.ncbi.nlm.nih.gov