Summary: Cat.No. : Cd40-8727R Product Overview : Recombinant Rat Cd40 (Met1-Arg193), fused with a polyhistidine tag at the C-terminus, was produced in Human Cell. Source : Human Cells Species : Rat Tag : His Form : Lyophilized from a 0.2μm filtered solution of PBS, pH 7.4 Molecular Mass : The recombinant rat CD40 comprises 185 amino acids and predicts a molecular mass of 20.6 kDa. The apparent molecular mass of the recombinant protein is approximately 28 kDa in SDS-PAGE under reducing conditions due to glycosylation.