T7 Express Competent E. coli (High Efficiency)

NEB does not add a dry ice surcharge to our competent cell shipments.

High efficiency chemically competent E. coli cells suitable for T7 protein expression.

  • T7 RNA Polymerase in the lac operon - no λ prophage
  • Deficient in proteases Lon and OmpT
  • Resistant to phage T1 (fhuA2)
  • Free of animal products
Learn more about how this product is being used in the Product Citation Tool
Catalog # Concentration Size
C2566I Not Applicable 6 x 0.2 ml/tube
C2566H Not Applicable 20 x 0.05 ml/tube
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