Cat#:RP-4044H;Product Name:Recombinant Human IL2 Protein(His Tag);Synonym:T-cell growth factor (TCGF), Aldesleukin, Lymphokine, IL-2, IL2.;Description:Recombinant human Interleukin-2 / IL2 Protein produced in E.coli is a single, non-glycosylated, Polypeptide chain containing 133 amino acids fragment (21-153) having a molecular weight of 20kDa and fused with a 4.5kDa amino-terminal hexahistidine tag. The recombinant human IL2 protein is purified by our unique chromatographic techniques.;Source:E.coli;Purity:Greater than 90.0% as determined by SDS-PAGE.;Formulation:Recombinant human Interleukin-2 / IL2 protein is supplied in 20mM Tris-HCl pH-8 and 50% glycerol.;Stability:Recombinant human IL2 Proteins are stable for up to 1 year from date of receipt at -70℃;Storage:Store recombinant human IL2 prohttp://www.advbiomart.net/dede/images/button_ok.giftein at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. Please avoid freeze thaw cycles.;