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ECVVII-2011 Echis Carinatus Prothrombin Activator (Echarin) Pricing: Please Inquire SAFETY DATA SHEET Size 100 μg Formulation 50% glycerol/water (v/v) Storage -20°C Shelf Life (properly stored) 12 months Molecular Weight 56,000, single chain Source Vipera Echis Carinatus Class metalendo-peptidase Inhibitors EDTA, DTT, o-phenanthroline Application Cleavage of Arg323-Ile324 bond in prothrombin to form meizothrombin Use start at a 1:500 (enzyme:substrate) mass ratio for activation (e.g. 2 ug enzyme per 1 mg of material activated). Exact ratios and conditions must be determined in your lab. Notes NOT tissue/cell culture grade. NOT tested for endotoxin.