Summary: Cat.No. : Tnfsf12-8728R Product Overview : Recombinant Rat Tnfsf12 (Arg105-His249), fused with the Fc region of human IgG1 at the N-terminus, was produced in Human Cells. Source : Human Cells Species : Rat Tag : Fc Predicted N Terminal : Glu Form : Lyophilized from sterile PBS, pH 7.4Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization.