Cat#:RP-4045H;Product Name:Recombinant Human IL2 Protein, HEK;Synonym:T-cell growth factor (TCGF), Aldesleukin, Lymphokine, IL-2.;Description:Recombinant human Interleukin-2 / IL2 Protein produced in HEK cells is a glycosylated monomer, having a total molecular weight of 15kDa. The recombinant human IL2 protein is purified by our unique chromatographic techniques.;Source:HEK.;Purity:Greater than 95% as obsereved by SDS-PAGE.;Bioactivity:The specific activity of human IL2 protein was determined by the dose-dependent stimulation of the proliferation of mouse CTLL-2 cells (mouse cytotoxic T cell line) and is typically 0.2-2ng/ml.;Formulation:The recombinant human IL2 protein was lyophilized from 1mg/ml in 1xPBS.;Stability:Recombinant human IL2 Proteins are stable for up to 1 year from date of receipt at -70℃;Reconstitution:It is recommended to reconstitute the lyophilized IL-2 in sterile PBS containing 0.1% endotoxin-free recombinant HSA.;Storage:Recombinant human Lyophilized IL2 protein although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution recombinant human IL2 protein should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please avoid freeze-thaw cycles.;References:Gaffen SL, Liu KD (November 2004). "Overview of interleukin-2 function, production and clinical applications". Cytokine. 28 (3): 109–23. ;