Promega Corporation

Protease Inhibitor Cocktail

Protease Inhibitor Cocktail is used to prevent protein degradation after lysing cells. The product is a mixture of six different protease inhibitors with different target protease specificities. The inhibitor cocktail is EDTA-free and provided as a powder, ready for reconstitution in 1ml of either 100% ethanol or DMSO to obtain a 50X working solution.

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Protease Inhibitor Cocktail, 50X

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Protease Inhibitor Cocktail, 50X


  • Protease Inhibitor Cocktail, 50X

    G652A1 x 1ml
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This product is available through the Promega Helix onsite stocking program in a –20°C Helix Freezer. The program offers numerous convenient solutions to meet your lab's needs. Helix Freezers are available in two sizes: 5.7 cubic ft. or 9.7 cubic ft.

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Storage Conditions

Store powdered Protease Inhibitor Cocktail at –30 to –10°C. Reconstituted Protease Inhibitor Cocktail can be stored at 2–10°C  for 12 months.

For product intended use please see Patents & Disclaimers tab.

10416MA_450pxFigure 1. Representative inhibition of serine protease with protease inhibitor cocktail at manufacturer's-specified active concentration (1X dilution).

*Assay performed with 43fmol of purified trypsin. cOmplete is a trademark of Hoffmann-La Roche. BaculoGold is a trademark of Becton, Dickinson and Company.

Inhibited proteases.Table 1. Indicated inhibition of major protease families based on publicly available data.

cOmplete is a trademark of Hoffmann-La Roche. BaculoGold is a trademark of Becton, Dickinson and Company.

Use Restrictions

G6521 For Research Use Only. Not for Use in Diagnostic Procedures.

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