BL21 Competent E. coli

 

BL21 Competent E. coli is a widely used non-T7 expression E. coli strain and is suitable for transformation and protein expression. This strain does not express the T7 RNA Polymerase.

  • Ideal for Plac, Ptac, Ptrc ParaBAD expression vectors
  • Protease deficient
  • No dry ice surcharge on competent cell shipments
  • Outgrowth medium included
  • Free of animal products

Ordering Information

$name
  • 20 x 0.05 ml/tube
    $187.00
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