Select this product for Molecular Innovations name, Recombinant Mouse Kallikrein and product number, MPK.Mouse Prekallikrein Recombinant from Innovative Research has been recombinantly produced in insect cells and purified using a combination of conventional and affinity chromatography. This is a frozen liquid buffered in 0.004M Sodium Acetate; 0.15M NaCl; pH 5.3 and a purity of >95%. This product is useful as a positive control for ELISA and western blot and for a variety of in vitro applications including cell signaling, clotting assays, fibrinolysis, hemostasis studies, protein-protein interactions, and receptor binding. Shows no reduction upon incubation with 2-mercaptoethanol. Activity is determined via complementation in an APTT clotting assay using prekallikrein immuno-deficient human plasma. C More Details: Source: Insect Cell Culture Purification: Chromatographically purified Purity: >95% Storage Conditions: -70 C At Innovative Research, we provide reliable, consistent products that deliver reliable, consistent results. Please note ŌĆō this product replaces our old product number IMPK (same product, new number).