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AAT Bioquest

What is Beta galactosidase?

Posted December 7, 2023


Answer

Beta galactosidase is a tetrameric enzyme which catalyzes the hydrolysis of beta galactosides into monosaccharides. It hydrolyzes terminal beta d-galactose residues in beta D-galactosides. Lactose is beta galactosidase’s natural substrate.

Additional resources

Molecule of the Month: Beta-galactosidase

Enzymes

Amplite® Colorimetric Beta-Galactosidase Assay Kit