Summary: Cat.No. : FAS-547R Product Overview : Recombinant Rat Fas (NP_631933.2) (Met1-Lys170), fused with the Fc region of human IgG1 at the C-terminus, was produced in Human Cells. Source : Human Cells Species : Rat Tag : Fc Predicted N Terminal : Gln 22 Form : Lyophilized from sterile PBS, pH 7.4Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization.