Summary: Cat.No. : CD33-313H Product Overview : Recombinant Human CD33 (AAH28152.1) (Met1-His259), fused with the Fc region of mouse IgG at the C-terminus, was produced in Human Cells. Source : Human Cells Species : Human Tag : Fc Predicted N Terminal : Asp 18 Form : Lyophilized from sterile PBS, pH 7.4.Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization.