G8511
β-Galactosidase from Escherichia coli
For use as a marker in SDS-PAGE
Synonym(s):
β-D-Galactoside galactohydrolase, Lactase
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About This Item
Recommended Products
mol wt
~116 kDa
packaging
vial of 0.5 mg
storage temp.
2-8°C
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Application
Biochem/physiol Actions
β-galactosidase cleaves lactose into its monosaccharide components, glucose and galactose. It also catalyses the transglycosylation of glucose into allolactose, the inducer of β-galactosidase, in a feedback loop.
Physical properties
Tetramer molecular weight 465 kDa (subunits 116.3 kDa each)
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.
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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