Cat#:RP-1576HAT;Product Name:Recombinant Human Interleukin-15 Protein;Description:The human recombinant IL-15 was produced in E.coli. This recombinant protein was purified using our unique purification after refolding of the isolated inclusion bodies in a redox buffer.;Source:E.coli;AA Sequence:49-162aa;Molecular Characterization:13.9kDa;Purity:Greater than 95% by SDS-PAGE;Endotoxin:< 1.0 EU per ug of protein as determined by LAL method.;Bioactivity:Measured in a cell proliferation assay using CTLL2 mouse cytotoxic T cells. The ED50 for this effect is < 2.5 ng/ml.;Formulation:Liquid Solution;Stability:Recombinant Human Interleukin-15 Protein was stable up to 1 year from date of receipt at -70℃;Concentration:1mg/mL;Storage Buffer:Recombinant Human Interleukin-15 protein was supplied in PBS (pH 7.4) containing 10% glycerol;Storage:Recombinant Human Interleukin-15 Protein can be stored at +4℃for 1-2 weeks. It is recommended that the recombinant protein be aliquoted for optimal storage at -20 or -70℃. Please avoid repeated freeze-thaw cycles.;Usage:For Lab Research Use Only;