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BL21 Competent E. coli

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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
Catalog # Concentration Size List Price Your Price Quantity
C2530H Not Applicable 20 x 0.05 ml $214.00
Please enter a quantity for at least one size
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