β-Galactosidase from Escherichia coli

Cat. No.: XGB621

β-Galactosidase from Escherichia coli

Synonym: β-D-Galactoside galactohydrolase,Lactase

  • MDL: MFCD00130623
  • CAS Number: 9031-11-2
  • Enzyme Commission Number: 3.2.1.23 
  • NACRES: NA.54
Product Size
1000 units; 3000 units; 5000 units; 15000 units
Price
Datasheet
MSDS
Properties
Molecular Weight
465 kDa
Purity
Grade VIII, lyophilized powder, ≥500 units/mg protein
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.
Form
lyophilized powder
Quality Level
300
Applications
β-Galactosidase is conjugated to an antibody which specifically recognizes a target molecule (enzyme immunoassay or EIA). β-Galactosidase is also used as a reporter enzyme to monitor the level of gene expression of a promoter. It may be used as a positive control protein with anti-β-galactosidase antibodies.
Storage
−20°C
Safety Information
Personal Protective Equipment
Eyeshields, Gloves, type N95 (US)
WGK Germany
WGK 3
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