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  • Product Name: BL21 Chemically Competent Cell
  • Catalog Number: CD901
  • Date: 2016-06-27
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BL21 Chemically Competent Cell is specifically designed for chemical transformation of DNA. It is resistant to tetracycline (TetR) and permits a transformation efficiency of over 107 cfu/μg DNA (tested by pUC19 plasmid DNA).


E. coli B F- dcm omp T hsdS(rB-mB-) gal [malB+]K-12(λ S)


• Transformation efficiency: >107 cfu/μg (pUC19 DNA).
• TetR.
• Tight expression control ideal for toxic protein expression.
• Control plasmid II (Amp+) is used for detection of expression function of cell. The protein size is about 26 kDa.



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Literature Journal IF Author Date Link
An autoinhibitory mechanism modulates MAVS activity in antiviral innate immune response NATURE COMMUNICATIONS 11.47 Yuheng Shi, et al.  2015 Jul
The essential roles of core binding factors CfRunt and CfCBFβ in hemocyte production of scallop Chlamys farreri Developmental & Comparative Immunology 3.238 Feng Yue, et al. 2014 Jun
Modulation of cell wall synthesis and susceptibility to vancomycin by the two-component system AirSR in Staphylococcus aureus NCTC8325 BMC Microbiology 3.104 Haipeng Sun,et al. 2013 Oct




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