Protease Inhibitor Cocktail (100X in DMSO, EDTA plus), which is used during cell lysis and protein extraction, is a ready-to-use concentrated stock solutions of multiple protease inhibitors for endogenous protease. This product contains a separate 0.5M EDTA solution which inhibiting metalloproteases. It generates optimized concentrations of six broad-spectrum protease inhibitors stabilized in DMSO, that powerfully inhibits serine-proteases, cysteine-proteases, aspartic acid-proteases and aminopeptidases appearing in cellular lysate samples. EDTA provides inhibition for metalloproteases. Other sizes are available. Please inqury us for quote.