T7 Express lysY Competent E. coli (High Efficiency)


High efficiency chemically competent E. coli cells suitable for T7 expression with enhanced reduction of basal expression.

  • T7 RNA Polymerase in the lac operon - no λ prophage
  • Control of T7 RNA Polymerase by lysozyme allows potentially toxic genes to be expressed
  • Deficient in proteases Lon and OmpT
  • Resistant to phage T1 (fhuA2)
  • Free of animal products
  • No dry ice surcharge on NEB competent cell shipments

Ordering Information

  • 6 x 0.2 ml/tube

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