Summary: Cat.No. : Cd40lg-545R Product Overview : Recombinant Rat Cd40lg (NP_445805) (Gly115-Leu260), fused with the Fc region of human IgG1 at the N-terminus, was produced in Human Cells. Source : Human Cells Species : Rat Tag : Fc Form : Lyophilized from sterile PBS, pH7.4. Molecular Mass : The recombinant rat CD40LG comprises 406 amino acids and predicts a molecular mass of 44.4 kDa. The apparent molecular mass of the recombinant protein is approximately 53 kDa in SDS-PAGE under reducing conditions due to glycosylation.