Cat#:RPH-NP225;Product Name:Recombinant Human Interleukin-2 / IL2 Protein;Synonym:Interleukin-2, IL-2, T-Cell Growth Factor, TCGF, Aldesleukin, IL2;Description:Recombinant Human Interleukin-2 Protein is produced in E.coli and the target gene encoding Pro22-Thr153 is expressed.;Source:E.coli;AA Sequence:MPTSSSTKKTQLQLEHLLLDLQMILNGINNYKNPKLTRMLTFKFYMPKKATELKHLQCLEEELKP LEEVLNLAQSKNFHLRPRDLISNINVIVLELKGSETTFMCEYADETATIVEFLNRWITFCQSIIS TLT;Purity:Greater than 95% as determined by reducing SDS-PAGE.;Endotoxin:< 0.1 ng/µg (1 IEU/µg) as determined by LAL test.;Bioactivity:ED50 is less than 0.1 ng/ml. Specific Activity of 1.0 x 10^7 IU/ mg.;Formulation:Recombinant Human Interleukin-2/IL2 Protein was lyophilized from a 0.2 μm filtered solution of 20mM HAc-NaAc, 150mM NaCl, pH 4.0.;Stability:Recombinant Human Interleukin-2/IL2 Protein is stable for up to 1 year from date of receipt at -70℃.;Reconstitution:Please centrifuge tubes before opening. Do not mix by vortex or pipetting.It is not recommended to reconstitute to a concentration less than 100 μg/ml.Dissolve the lyophilized protein in ddH2O.Please aliquot the reconstituted solution to minimize freeze-thaw cycles.;Storage:Lyophilized recombinant human IL2 protein should be stored below -20°C, though stable at room temperature for 3 weeks. Reconstituted recombinant human IL2 protein solution can be stored at 4-7°C for 2-7 days.Aliquots of reconstituted recombinant human IL2 protein samples are stable below -20°C for 3 months.;Usage:For Lab Research Use Only;