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Halt™ Protease Inhibitor Cocktail (100X) Thermo Scientific™

Thermo Scientific Halt Protease Inhibitor Cocktail (100X) are ready-to-use concentrated stock solutions of protease inhibitors for addition to samples to prevent proteolytic degradation during cell lysis and protein extraction.

Features of Halt Protease Inhibitor Cocktail, (100X):

Convenient—the refrigerator-stable, 100X liquid format is more effective and easier to use than individual inhibitors or other formats; just pipette exactly the amount you need
No proprietary ingredients—fully disclosed formulation contains optimized concentrations of six broad-spectrum protease inhibitors AEBSF, aprotinin, bestatin, E-64, leupeptin and pepstatin A stabilized in high-quality dimethylsulfoxide (DMSO)
Multiple package sizes—choose among several package sizes, including single-use microtubes that keep protease inhibitors fresh and reduce the risk of reagent contamination
Regular formulation—includes a separate vial of EDTA solution for optional metalloprotease inhibition
Lysis buffer compatible—use with Thermo Scientific Pierce Cell Lysis Buffers or nearly any other commercial or homemade detergent-based lysis reagent. Add 10 µL of concentrated cocktail per 1 mL of lysis buffer to ensure complete protection of the resulting protein extract.

Applications:
• Protection of intact, active cellular proteins from degradation by endogenous proteases
• Inhibition of protease activity from lysates produced by a variety of methods including Thermo Scientific Pierce Cell Lysis Reagents, other commercially formulated cell or tissue lysis products, sonication, French press, blender homogenization or repetitive freeze/thaw cycling
• Screening of extracts for proteolytic activity
• The study of proteolysis in the regulation of cellular processes

Proteases make up a large category of enzymes, including endopeptidases and exopeptidases, which catalyze the hydrolytic breakdown of proteins into peptides or amino acids in a wide variety of cell and tissue types. Proteases are regulated and compartmentalized in living cells, but cell lysis releases and mixes them with other extracted proteins. Their activity can thus lead to the loss of a large number of valuable proteins, adversely affecting downstream applications. For this reason, it is common practice to spike cell lysis buffers or cell extracts with a cocktails of compounds known to inactivate or inhibit proteases. Halt Protease Inhibitor Cocktails effectively inhibit serine-proteases, cysteine-proteases, aspartic acid-proteases and aminopeptidases that are typically present in cellular lysate samples. Regular and EDTA-free formulations provide for inhibition of metalloproteases and compatibility with 2D electrophoresis, respectively.

Related Products
Halt™ Protease Inhibitor Single-Use Cocktail, EDTA-free (100X)

Halt™ Protease Inhibitor Cocktail, EDTA-Free (100X) Thermo Scientific™

Thermo Scientific Halt Protease Inhibitor Cocktail, EDTA-free (100X) are ready-to-use concentrated stock solutions of protease inhibitors for addition to samples to prevent proteolytic degradation during cell lysis and protein extraction.

Features of Halt Protease Inhibitor Cocktail, EDTA-free (100X):

Convenient—the refrigerator-stable, 100X liquid format is more effective and easier to use than individual inhibitors or other formats; just pipette exactly the amount you need
No proprietary ingredients—fully disclosed formulation contains optimized concentrations of six broad-spectrum protease inhibitors AEBSF, aprotinin, bestatin, E-64, leupeptin and pepstatin A stabilized in high-quality dimethylsulfoxide (DMSO)
Multiple package sizes—choose among several package sizes, including single-use microtubes that keep protease inhibitors fresh and reduce the risk of reagent contamination
EDTA-free formulations—ensures compatibility with isoelectric focusing
Lysis buffer compatible—use with Thermo Scientific Pierce Cell Lysis Buffers or nearly any other commercial or homemade detergent-based lysis reagent. Add 10 µL of concentrated cocktail per 1 mL of lysis buffer to ensure complete protection of the resulting protein extract.

Applications:
• Protection of intact, active cellular proteins from degradation by endogenous proteases
• Inhibition of protease activity from lysates produced by a variety of methods including Thermo Scientific Pierce Cell Lysis Reagents, other commercially formulated cell or tissue lysis products, sonication, French press, blender homogenization or repetitive freeze/thaw cycling
• Screening of extracts for proteolytic activity
• The study of proteolysis in the regulation of cellular processes

Proteases make up a large category of enzymes, including endopeptidases and exopeptidases, which catalyze the hydrolytic breakdown of proteins into peptides or amino acids in a wide variety of cell and tissue types. Proteases are regulated and compartmentalized in living cells, but cell lysis releases and mixes them with other extracted proteins. Their activity can thus lead to the loss of a large number of valuable proteins, adversely affecting downstream applications. For this reason, it is common practice to spike cell lysis buffers or cell extracts with a cocktails of compounds known to inactivate or inhibit proteases. Halt Protease Inhibitor Cocktails effectively inhibit serine-proteases, cysteine-proteases, aspartic acid-proteases and aminopeptidases that are typically present in cellular lysate samples. Regular and EDTA-free formulations provide for inhibition of metalloproteases and compatibility with 2D electrophoresis, respectively.

Related Products
Halt™ Protease Inhibitor Single-Use Cocktail (100X)

Halt™ Protease and Phosphatase Inhibitor Cocktail, EDTA-free (100X) Thermo Scientific™

Thermo Scientific Halt Protease and Phosphatase Inhibitor Cocktail, EDTA-free (100X) provides the convenience of a single solution with full protein sample protection for cell and tissue lysates.

Features of Halt Protease and Phosphatase Inhibitor Cocktail, EDTA-free (100X):

Complete protection—all-in-one cocktail contains both protease and phosphatase inhibitors
Multiple package sizes—choose from four convenient packages sizes to match nearly any scale
Convenient —the 100X liquid formulation is much easier and more effective to use than individual inhibitors and other formats
Easy storage—aqueous-based format allows for convenient cold-room storage without freezing, by contrast with DMSO-based cocktails
Compatible—can be used in mass spectrometry (MS) because it does not contain AEBSF, which can cause peaks to shift
Validated—fully compatible with Thermo Scientific Pierce Cell Lysis Buffers

Halt Protease and Phosphatase Inhibitor Cocktail is specifically optimized to protect proteins from degradation during extraction and purification. The cocktail contains inhibitors against the major classes of proteases and phosphatases, targeting aminopeptidases, cysteine and serine proteases and serine/threonine and protein tyrosine phosphatases.

Related Products
Halt™ Protease and Phosphatase Inhibitor Cocktail (100X)

Halt™ Protease and Phosphatase Inhibitor Cocktail (100X) Thermo Scientific™

Thermo Scientific Halt Protease and Phosphatase Inhibitor Cocktail (100X) provides the convenience of a single solution with full protein sample protection for cell and tissue lysates.

Features of Halt Protease and Phosphatase Inhibitor Cocktail (100X):

Complete protection—all-in-one cocktail contains both protease and phosphatase inhibitors
Multiple package sizes—choose from four convenient packages sizes to match nearly any scale
Convenient —the 100X liquid formulation is much easier and more effective to use than individual inhibitors and other formats
Easy storage—aqueous-based format allows for convenient cold-room storage without freezing, by contrast with DMSO-based cocktails
Compatible—can be used in mass spectrometry (MS) because it does not contain AEBSF, which can cause peaks to shift
Validated—fully compatible with Thermo Scientific Pierce Cell Lysis Buffers

Halt Protease and Phosphatase Inhibitor Cocktail is specifically optimized to protect proteins from degradation during extraction and purification. The cocktail contains inhibitors against the major classes of proteases and phosphatases, targeting aminopeptidases, cysteine and serine proteases and serine/threonine and protein tyrosine phosphatases. To promote the inhibition of metalloproteases, 0.5M EDTA is provided in a separate tube.

Related Products
Halt™ Protease and Phosphatase Inhibitor Cocktail, EDTA-free (100X)
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