Summary: Cat.No. : CGREF1-143H Product Overview : Recombinant Human CGREF1 (Q99674-1) (Met1-Ile301), fused with a C-terminal polyhistidine tag, was produced in Human Cell. Source : Human Cell Species : Human Tag : His Predicted N Terminal : Ala 20 Form : Lyophilized from sterile PBS, pH 7.4.Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Molecular Mass : The recombinant human CGREF1 comprises 293 amino acids and has a predicted molecular mass of 31.3 kDa. The apparent molecular mass of the protein is approximately 38-42 and 33 kDa in SDS-PAGE under reducing conditions.