Summary: Cat.No. : Ntrk1-45R Product Overview : Recombinant Rat Ntrk1 (Met1-Pro418), fused with a polyhistidine tag at the C-terminus, was produced in Human Cells. Source : Human Cells Species : Rat Tag : His Predicted N Terminal : Ala 33 Form : Lyophilized from sterile PBS, pH 7.4Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization.