Leupeptin Hemisulfate is a potent protease inhibitor available in a 1-milligram quantity. It is primarily used in biochemical research to inhibit serine, cysteine, and threonine proteases. Leupeptin is commonly employed to prevent proteolysis in experiments involving protein isolation, enzyme assays, and cell culture studies. By inhibiting a wide range of proteases, Leupeptin preserves the integrity of proteins during their extraction and purification processes. This reagent is essential for studies focusing on enzyme activity, protein-protein interactions, and various cellular mechanisms in both in vitro and in vivo research applications.