Cat#:CD28-170MAC;Product Name:Recombinant Mouse CD28 Protein(Fc Tag);Synonym:CD28,Tp44;Description:Mouse CD28 with Fc Tag is produced in HEK293 cells. It contains AA Asn 20 - Lys 149.;Source:HEK293;Predicted N Terminal:Asn 20;Molecular Characterization:Recombinant mouse CD28 protein has a calculated molecular weight of 41.7 kDa. The recombinant protein migrates as 55-60 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.;Purity:Greater than 90% as determined by SDS-PAGE.;Endotoxin:<1.0 EU per μg of recombinant mouse CD28 protein by the LAL method.;Formulation:Recombinant mouse CD28 protein was lyophilized from 0.22 μm filtered solution in 50 mM Tris, 100 mM Glycine, pH7.5.;Stability:Recombinant mouse CD28 protein was stable up to 1 year from date of receipt at -70℃;Storage:Store recombinant mouse CD28 protein under sterile conditions at -20℃ to -80℃. It is recommended that the recombinant protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.;Usage:For Lab Research Use Only;