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Easy BacLysis Protein Extraction Solution

*This product has been discontinued!*
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The Easy BacLysis Protein Extraction Solution facilitates the removal of soluble proteins from E. coli by gently disrupting the bacterial cell wall. This precisely formulated product provides a simple, speedy, low-cost alternative to mechanical methods such as French Press or sonication. The proprietary formulation employs a mixture of non-ionic detergents that perforate the cell wall without denaturing soluble protein. Depending on the particular intended application, additional components, such as lysozyme, protease inhibitors, salts, reducing agents, or chelating agents, may be added to the buffer. The buffer may be used for both soluble protein extraction and inclusion body purification from total bacterial cell lysates.
Easy BacLysis Protein Extraction Solution Plus Hercules Endonuclease also gently releases target proteins from E. coli. It also markedly reduces extract viscosity prior to downstream processing. Cells are harvested by centrifugation and then suspended in BacLysis Solution at room temperature. Hercules Endonuclease is then added. During a brief incubation, proteins are released and nucleic acids are digested. Insoluble protein and cell debris are easily removed by centrifugation. The resulting low-viscosity clarified extract is then ready for purification and analysis. The extract is compatible with most chromatography resins. The insoluble fraction can be further processed to yield purified inclusion bodies.

Storage Store at 4°C

Key Features
Key Features:
  • Easy-to-use, single-solution format
  • Rapid cell lysis of recombinant E. coli is complete in just 20 minutes
  • Flexible format, compatible with small- and large-scale protein extraction
  • Designed for both soluble and insoluble protein extraction
  • Purifies inclusion bodies to near-homogenous levels (does not solubilize inclusion bodies)


  • Disruption of bacterial cells for the extraction of active proteins
  • Inclusion body purification

Store Easy BacLysis Protein Extraction Solution at 4°C. Hercules Endonuclease is supplied in 50% glycerol containing 10 mM Tris-HCl, 20 mM NaCl, and 2 mM MgCl2, pH 8.0. The enzyme is stored at -20°C. DO NOT store at –70°C. Freezing Hercules Endonuclease results in loss of activity.

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