Summary: Cat.No. : Cd63-30R Product Overview : Recombinant Rat Cd63 (P28648) (Ala103-Val203), fused with a polyhistidine tag at the N-terminus, was produced in Human Cells. Source : Human Cells Species : Rat Tag : His Predicted N Terminal : His Form : Lyophilized from sterile PBS, pH 7.4.Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Molecular Mass : The recombinant rat CD63 comprises 121 amino acids and has a predicted molecular mass of 13.8 kDa. The apparent molecular mass of the protein is approximately 24, 19, 15 kDa in SDS-PAGE under reducing conditions due to glycosylation.