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OverExpress C41(DE3) Electrocompetent Cells - 12 reactions

Product Description
Express genes cloned into any T7 vector with these BL21(DE3) derivatives
Effective in expressing toxic & membrane proteins
Cited in over 350 research articles

E. coli BL21(DE3) strains, like Lucigen’s E. cloni® EXPRESS Competent Cells provide reliable expression of many genes cloned into T7 expression vectors (e.g., pET or Lucigen’s pSMART®-cDNA vectors). However, in some cases expression is minimal or not detectable because the recombinant protein, when expressed, is deleterious or lethal to these standard BL21 strains. Examples of such toxic proteins include many membrane proteins, some cytoplasmic proteins, and nucleases. Unfortunately, successful expression of one or more toxic proteins is often important to the experimental goal.

Lucigen’s OverExpress Electrocompetent and Chemically Competent Cells are E. coli strains that are effective in expressing toxic proteins from all classes of organisms, including eubacteria, yeasts, plants, viruses, and mammals. The effectiveness of these new strains in expressing toxic proteins has been validated in more than 350 publications.

The OverExpress strains contain genetic mutations phenotypically selected for conferring tolerance to toxic proteins. The strain C41(DE3) was derived from BL21(DE3). This strain has at least one mutation, which prevents cell death associated with expression of many recombinant toxic proteins. The strain C43(DE3) was derived from C41(DE3) by selecting for resistance to a different toxic protein and can express a different set of toxic proteins to C41(DE3). Figure 1 graphically illustrates the advantages of the OverExpress Competent Cells, compared to standard BL21(DE3) cells, in expressing toxic proteins.
Product OverExpress C41(DE3) Electrocompetent Cells - 12 reactions
Company Lucigen Corporation
Price Request a quote
More Information View company product page
Catalog Number 60341-1
Quantity 12 reactions (SOLOs)
Company Logo

Lucigen Corporation
2120 West Greenview Dr., Suite 9 Middleton, WI 53562 US

Tel: +1 608 831 9011
Fax: +1 608 831 9012
Email: lucigen@lucigen.com



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