Cat#:RP-0249H;Product Name:Recombinant Human CD122 / IL-2RB Protein;Synonym:CD122,IL15RB,P70-75;Description:The mature form of human IL2 RB (NP_000869.1) extracellular domain (Met 1-Asp 239) with five amino acids (DDDDK) at the C-terminus was expressed and purified.;Source:Human Cells;Predicted N Terminal:Ala 27;Molecular Characterization:The mature recombinant human IL2 R尾 consists of 219 amino acids and has a predicted molecular mass of 25.2 kDa. As a result of glycosylation, the rh IL2 R尾 migrates as an approximately 40 kDa protein in SDS-PAGE under reducing conditions.;Purity:Greater than 90 % as determined by SDS-PAGE;Endotoxin:< 1.0 EU per ug of the protein as determined by the LAL method;Bioactivity:Please contact us for detailed information;Formulation:Lyophilized from sterile 100mM NaCl, 50mM Tris, pH 7.5;Stability:Recombinant Proteins are stable for up to 1 year from date of receipt at -70℃;Reconstitution:Please see related COA for specific instructions.;Storage:Avoid repeated freeze-thaw cycles. In lyophilized state for 1 year (4-8℃); Upon reconstitution under sterile conditions for 2 weeks (4-8℃) or 3 months (-20℃ to -70℃).;