Select this product for Molecular Innovations name, Biotin labeled Mouse tPA and product number, MTPA-BIO.Mouse tPA Recombinant Biotin Labeled from Innovative Research has been recombinantly produced in insect cells and purified using affinity chromatography then labeled at primary amines with biotin. This is a frozen liquid buffered in 0.4M HEPES; 0.1M NaCl; pH 7.4 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 differentiation, cell signaling, clotting assays, fibrinolysis, plasminogen activation, protein-protein interactions, receptor binding, thromboelastography, and thrombolysis. More Details: Source: Insect Cell Culture Purification: Affinity 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 IMTPA-BIO (same product, new number).