This particular protease inhibitor cocktail omits chelators (e.g., EDTA), to optimize its use for purification of histidine-tagged proteins.1 It contains inhibitors with a broad specificity for serine, cysteine, and acid proteases, and aminopeptidases. The cocktail has been tested on extracts from E. coli and insect cells This cocktail is supplied as a ready-to-use solution using a proprietary non-freezing formulation. ReadyShield PIC0004 is a non-freezing formulation that contains the same inhibitors as is the DMSO based cocktail P8849.
Storage: -20C
Legal Information: ReadyShield is a registered trademark of Merck KGaA, Darmstadt, Germany
Other Notes: For life science research only. Not for use in diagnostic procedures.