Cat#:RP-1557H;Product Name:Recombinant Human Transferrin / TF Protein (His Tag);Synonym:HEL-S-71p,PRO1557,PRO2086,TFQTL1,Transferrin;Description:A DNA sequence encoding the human transferrin (NP_001054.1) (Met 1-Pro 698) was fused with a polyhistidine tag at the C-terminus.;Source:Human Cells;Predicted N Terminal:Val 20;Molecular Characterization:The secreted recombinant human transferrin comprises 690 amino acids with a predicted molecular mass of 76.6 kDa. It migrates as an approximately 74 kDa band in SDS-PAGE under reducing conditions due to glycosylation.;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℃).;