Cat#:RP-1529H;Product Name:Recombinant Human TNFR2 / CD120b / TNFRSF1B Protein (His & Fc Tag);Synonym:CD120b,p75,p75TNFR,TBPII,TNF-R-II,TNF-R75,TNFBR,TNFR1B,TNFR2,TNFR80;Description:A DNA sequence encoding the extracellular domain (Met 1-Asp 257) of human TNFRII (NP_001057.1) was fused with the C-terminal polyhistidine-tagged Fc region of human IgG1 at the C-terminus.;Source:Human Cells;Predicted N Terminal:Leu 23;Molecular Characterization:The recombinant human TNFRII/Fc is a disulfide-linked homodimer. The reduced monomer consists of 482 amino acids and has a predicted molecular mass of 53 kDa. In SDS-PAGE under reducing conditions, the apparent molecular mass of rh TNFRII/Fc monomer is ap;Purity:Greater than 95 % 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℃).;