Summary: Cat.No. : TNFSF8-381R Product Overview : Recombinant Rat Tnfsf8 (Gln66-Asp237), fused with two additional amino acids (Gly & Pro) at the N-terminus, was produced in Human Cells. Source : Human Cells Species : Rat Tag : Gly & Pro Predicted N Terminal : Gly Form : Lyophilized from sterile PBS, pH 7.4.Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization.