Select this product for Molecular Innovations name, Recombinant Mouse Factor XII and product number, MFXII.Mouse Factor XII Recombinant from Innovative Research has been recombinantly produced in insect cells and purified using a combination of several chromatographic steps. This is a frozen liquid buffered in 4 mM Sodium Acetate; 0.15 M 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. Activity is determined via complementation in an APTT clotting assay using Factor XII immuno-deficient human plasma. 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 IMFXII (same product, new number).