Cat#:RP-4026H;Product Name:Recombinant Human IL15 Protein(His Tag);Synonym:IL-15, MGC9721.;Description:Interleukin-15 His Protein ?produced in E.coli is single, a non-glycosylated, Polypeptide chain containing 123 amino acids fragment (49-162) having a total molecular weight of 13.9 kDa with an C-terminal hexahistidine tag. The IL-15 His is purified by proprietary chromatographic techniques.;Source:E.coli;AA Sequence:MNWVNVISDL KKIEDLIQSM HIDATLYTES DVHPSCKVTA MKCFLLELQV ISLESGDASI HDTVENLIIL ANNSLSSNGN VTESGCKECE ELEEKNIKEF LQSFVHIVQM FINTSLEHHH HHH.;Purity:Greater than 95.0% as determined by SDS-PAGE.;Bioactivity:Measured in a cell proliferation assay using CTLL2 mouse cytotoxic T cells. The ED50 for this effect is < 2.5ng/ml, corresponding to a Specific Activity of 400,000units/mg.;Formulation:IL-15 His is supplied in 20mM Tris-HCl buffer (pH 8.0) 0.2mM PMSF and 10% glycerol.;Stability:Recombinant Proteins are stable for up to 1 year from date of receipt at -70℃;Storage:Store 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.;