Properties
Description
β-Galactosidase from Escherichia coli, a crucial enzyme in the human body, is responsible for hydrolyzing galactosides into galactose.
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.
Applications
β-Galactosidase from Escherichia coli is applied for the structural research of sugar, the measurement of lactose, and as an enzyme label for enzyme immunoassay.
