High purity β-Galactosidase (Aspergillus niger) for use in research, biochemical enzyme assays and in vitro diagnostic analysis.
EC 3.2.1.23
CAZy Family: GH35
CAS: 9031-11-2
beta-galactosidase; beta-D-galactoside galactohydrolase
Highly purified. From Aspergillus niger.
In 3.2 M ammonium sulphate.
Supplied at ~ 4,000 U/mL.
Specific activity:
~ 200 U/mg (40oC, pH 4.5 on p-nitrophenyl β-D-galactoside).
Stability: > 4 years at 4oC.