Summary: Cat.No. : VIP-376H Product Overview : Recombinant Human VIP (P01282-2) (Met1-Lys169), fused with a C-terminal polyhistidine tag, was produced in Human Cells. Source : Human Cells Species : Human Tag : His Predicted N Terminal : Ser 21 Form : Lyophilized from sterile PBS, pH 7.4.Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization.