Cat#:RP-0841H;Product Name:Recombinant Human IgG4-Fc Protein;Synonym:IgG4 Fc,IGHG4;Description:A DNA sequence encoding the human IgG4 Fc region (P01861) (Glu 99-Lys 327, 108Ser/Pro) was expressed and purified.;Source:Human Cells;Predicted N Terminal:Glu 99;Molecular Characterization:The recombinant human IgG4-Fc consists of 229 amino acids and has a predicted molecular mass of 25.5 kDa. As a result of glycosylation, the apparent molecular mass of IgG4-Fc is approximately 35 kDa in SDS-PAGE under reducing conditions.;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℃).;