Summary: Cat.No. : TSPAN1-160H Product Overview : Recombinant Human TSPAN1 (O60635) (Tyr110-Asn211), fused with an N-terminal polyhistidine tag, was produced in Human Cells. Source : Human Cells Species : Human 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.