Summary: Cat.No. : SMR3B-232H Product Overview : Recombinant Human SMR3B (NP_006676.1) (Met1-Pro79), fused with a C-terminal polyhistidine tag, was produced in Human Cells. Source : Human Cells Species : Human Tag : His Predicted N Terminal : Gln 23 Form : Lyophilized from sterile PBS, pH 7.4.Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization.