Cat#:RP-538AC;Product Name:Recombinant Human Cystatin S / CST4 Protein;Synonym:CST4,Cystatin-4,Cystatin-S,Cystatin-S5,Cystatin-SA-III;Description:Human Cystatin S protein with His Tag is produced in HEK293 cells.;Source:HEK293;Predicted N Terminal:Ser 21;Purity:Greater than 95% as determined by SDS-PAGE.;Endotoxin:< 1.0 EU per μg of Recombinant Human Cystatin S / CST4 protein by the LAL method.;Formulation:Recombinant Human Cystatin S / CST4 protein was lyophilized from 0.22 μm filtered solution in 25 mM MES, 150 mM NaCl, pH 6.0. Normally trehalose is added as protectant before lyophilization.Contact us for customized product form or formulation.;Stability:Recombinant Human Cystatin S / CST4 protein was stable up to 1 year from date of receipt at -70℃;Storage:Store Recombinant Human Cystatin S / CST4 protein under sterile conditions at -20℃ to -80℃. It is recommended that the recombinant protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.;Usage:For Lab Research Use Only;