Cat#:RP-2223R;Product Name:Recombinant Rat Osteonectin / SPARC Protein (His Tag);Synonym:SPARC;Description:A DNA sequence encoding the rat SPARC (Met1-Ile301) was expressed with a polyhistidine tag at the C-terminus.;Source:Human Cells;Predicted N Terminal:Ala 18;Molecular Characterization:The recombinant rat SPARC consists of 295 amino acids and predicts a molecular mass of 33.8 kDa.;Purity:Greater than 90 % as determined by SDS-PAGE.;Endotoxin:<1.0 EU per ug 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℃).;