β-Galactosidase, E. coli Native E. coli β-galactosidase. Inducible enzyme not found in eukaryotic cells that is used as a reporter gene. Used to assess efficiency of transfection. Also used in ELISA and immunocytochemical techniques. Histochemical substrates include X-Gal (Cat. No. 203782). 产品信息 Form White lyophilized solid Molar mass 540000 Specific activity ≥600 units/mg protein Unit definition One unit is defined as the amount of enzyme that will hydrolyze 1.0 µmol of p-nitrophenyl-β-galactoside per min at 37°C. Sold on the basis of peptide content 是的 Solubility H2O EC number 3.2.1.23 RTECS LW5840000 CAS number 9031-11-2 商店和运输信息 Storage -20°C Ship Ambient Temperature Only Standard Handling