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Native Escherichia coli β-Galactosidase-biotin labeled


Cat No.
NATE-1585
Description
β-galactosidase is a hydrolase enzyme that catalyzes the hydrolysis of β-galactosides into monosaccharides. Substrates of different β-galactosidases include ganglioside GM1, lactosylceramides, lactose, and various glycoproteins.
Abbr
β-gal-biotin labeled, Recombinant (E. coli)
Alias
β-gal
Source
E. coli
Applications
β-Galactosidase was used as a control antigen in the selection of human antibody fragments by phage display.
Form
Lyophilized powder containing Tris-acetate, DTT, MgCl2, and isopropyl β-D-thiogalactopyranoside
Activity
350-1200 units/mg protein
Structure
2-5 mol d-biotin per mol protein
Composition
Protein, ~75% E1%/280
Unit Definition
One unit will hydrolyze 1.0 μmole of o-nitrophenyl β-D-galactoside per min at pH 7.3 at 37 °C.
Synonyms
β-galactosidase; beta-gal; β-gal; EC 3.2.1.23; lactase; β-lactosidase; maxilact; hydrolact; β-D-lactosidase; S 2107; lactozym; trilactase; β-D-galactanase; oryzatym; sumiklat; β-D-galactoside galactohydrolase
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