Competent Cells for Protein Expression
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 | |
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| Increased mRNA stability (mutated rne gene) |  |
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| Expression of known toxic genes | |
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| Top Seller | |
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| 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 |
| Order | Order | Order | Order | |
| *BL21 Star (DE3) E. coli strain also available as higher throughput StripWell Format | ||||
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For Research Use Only. Not for use in diagnostic procedures.
For Research Use Only. Not for use in diagnostic procedures.