These competent cells are optimized for protein expression from T7 promoters. All are induced with IPTG or L-arabinose and come in the convenient One Shot format, allowing for transformation and recovery in a single tube.

Which competent cell strain is right for you?

  High-level expression of recombinant proteins Highest protein expression from low-copy plasmids Highest protein expression from high-copy plasmids Optimized or ideal for toxic proteins
 
 
 
 
 
Increased mRNA stability (mutated rne gene)   yes yes  
Expression of known toxic genes       yes
Top Seller   yes    
Best expression vector format pET-based expression vector (low copy number T7-based plasmids) pET-based expression vector (low copy number T7-based plasmids) pCR T7-based expression vector (high copy number, T7-based plasmids) ANY
T7-based expression vector
Inducing agent IPTG IPTG IPTG Arabinose or Arabinose & IPTG
One Shot format One Shot One Shot One Shot One Shot
Kit contains 20 tubes x 50 µL 20 tubes x 50 µL 20 tubes x 50 µL 20 tubes x 50 µL
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