Summary: Cat.No. : BTN3A3-140H Product Overview : Recombinant Human BTN3A3 (O00478-1) (Met1-Trp248), fused with a C-terminal polyhistidine tag, was produced in Human Cell. Source : Human Cell Species : Human Tag : His Predicted N Terminal : Gln 30 Form : Lyophilized from sterile PBS, pH 7.4.Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization.