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P8340

Sigma-Aldrich

Protease Inhibitor Cocktail

DMSO solution, for the inhibition of serine, cysteine, acid proteases and aminopeptidases, for use with mammalian cell and tissue extracts, DMSO solution

Synonym(s):

Protease Inhibitor Mix

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About This Item

MDL number:
MFCD00677817
UNSPSC Code:
12352200
NACRES:
NA.77

product name

Protease Inhibitor Cocktail, for use with mammalian cell and tissue extracts, DMSO solution

biological source

bovine lung

Quality Level

300

form

DMSO solution

storage temp.

−20°C

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General description

Protease Inhibitor Cocktail for mammalian cell and tissue extracts, in DMSO solution. It contains six individual components for inhibiting serine, cysteine, and acid proteases, and aminopeptidases.

Specificity

Inhibits serine, cysteine, and acid proteases, and aminopeptidases.

Application

Ideal for use as a buffer component during sonication, lysis buffer, and RIPA buffer

Provides protection against endogenous enzyme activity in cell and tissue extracts

Biochem/physiol Actions

This mixture contains individual components, including AEBSF at 104 mM, Aprotinin at 80 μM, Bestatin at 4 mM, E-64 at 1.4 mM, Leupeptin at 2 mM and Pepstatin A at 1.5 mM. Each component has specific inhibitory properties. AEBSF and Aprotinin act to inhibit serine proteases, including trypsin, chymotrypsin, and plasmin amongst others. Bestatin inhibits aminpeptidases. E-64 acts against cystein proteases. Leupeptin acts against both serine and cystein proteases. Pepstatin A inhibits acid proteases.

Features and Benefits

Broad-spectrum inhibition: inhibits multiple classes of proteases and aminopeptidases

Stable storage: supplied as a solution in DMSO, allowing for long-term storage at -20°C

Consistent performance: ready-to-use solution

Components

AEBSF
Aprotinin
Bestatin
E-64
Leupeptin
Pepstatin A

Caution

This cocktail should be stored at -20 °C.

Preparation Note

One mL of this cocktail solution is recommended for the inhibition of endogenous enzymes found in 100 mL of lysate from 20 g of bovine liver or 10 mL of lysate from CHO cells. This product is supplied as a solution in DMSO.

Other Notes

2024 CiteAb Award Winner for Supplier Succeeding in Parkinson′s Research

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Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

10 - Combustible liquids

WGK

WGK 2

Flash Point(F)

188.6 °F - closed cup

Flash Point(C)

87 °C - closed cup

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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