Summary: Cat.No.: PROS1-214H Product Overview: Recombinant Human PROS1 (P07225) (Met1-Ser676), fused with a polyhistidine tag at the C-terminus, was produced in Human Cells. Source: Human Cells Species: Human Tag: His Predicted N Terminal: Asn 25 Form: Lyophilized from sterile PBS, pH 7.4.Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization.