Cat#:RP-0250H;Product Name:Recombinant Human CD122 / IL-2RB Protein (Fc Tag);Synonym:CD122,IL15RB,P70-75;Description:A DNA sequence encoding the extracellular domain (Met 1-Asp 239) of human IL2 RB (NP_000869.1) precursor was expressed with the C-terminal fused Fc region of human IgG1.;Source:Human Cells;Predicted N Terminal:Ala 27;Molecular Characterization:The recombinant human IL2 R尾/Fc is a disulfide-linked homodimeric protein generated after removal of the signal peptide. The reduced monomer consists of 451 amino acids and has a predicted molecular mass of 51.6 kDa. As a result of glycosylation, the appa;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 PBS, pH 7.4;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℃).;