Summary: Cat.No. : TSPAN8-400H Product Overview : Recombinant Human TSPAN8 (P19075) (Lys110-Asn205), 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.