Cat#:CD28-089HAC;Product Name:Recombinant Human / Cynomolgus / Rhesus macaque CD28 Protein(Fc Tag);Synonym:CD28,Tp44;Description:Human / Cynomolgus / Rhesus macaque CD28 with Fc Tag is produced in HEK293 cells. It contains AA Asn 19 - Pro 152.;Source:HEK293;Predicted N Terminal:Asn 19;Molecular Characterization:Recombinant human / cynomolgus / rhesus macaque CD28 protein has a calculated molecular weight of 42.0 kDa. The recombinant protein migrates as 50-66 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation. ;Purity:Greater than 95% as determined by SDS-PAGE.;Endotoxin:<0.1 EU per μg of recombinant human / cynomolgus / rhesus macaque CD28 protein by the LAL method.;Formulation:Recombinant human / cynomolgus / rhesus macaque CD28 protein was lyophilized from 0.22 μm filtered solution in 50 mM Tris, 100 mM Glycine, pH7.5.;Stability:Recombinant human / cynomolgus / rhesus macaque CD28 protein was stable up to 1 year from date of receipt at -70℃;Storage:Store recombinant human / cynomolgus / rhesus macaque 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;