
Escherichia coli BL21(DE3) - Wikipedia
Escherichia coli BL21(DE3) is a commonly used protein production strain of the E. coli bacterium. This strain combines several features that allow for excessive expression of heterologous …
BL21-AITM One Shot® Competent E. coli is an arabi-nose-inducible strain designed to give you the maxi-mum protein expression with the tightest regulation available from a T7 expression …
high-level protein expression and easy induction. The BL21(DE3)pLysS competent cells provide tighter control of protein expression for expression of toxic proteins and are resistant to …
BL21-CodonPlus(DE3)-RIL-X and BL21-CodonPlus(DE3)-RP-X allow efficient labeling of recombinant proteins with selenomethionine or 35S-methionine. Both strains contain a …
Thermo ScientificTM BL21(DE3) Competent Cells are suitable for the expression of nontoxic heterologous genes. The strain contains the DE3 lysogen that carries the gene for T7 RNA …
The BL21 Star™ strains are useful to express heterologous genes from any T7-based expression vector. In general, we recommend using the BL21 Star™(DE3) strain to express heterologous …
BL21 Competent E. coli - NEB
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. …
The BL21(DE3) strain is suitable for use in expressing non-toxic heterologous genes. Recombinant proteins are generally expressed at higher levels in BL21(DE3) cells than in …
BL21 Chemically Competent Cells Overview - MilliporeSigma
BL21 Chemically Competent Cells come in aliquots for easy transformation with heat shock method, facilitating molecular biology experiments.
BL21 Competent Cells are an ideal host for optimal expression of proteins from vectors utilizing E. coli promotors (this strain lacks a T7 RNA polymerase). The BL21(DE3) Competent Cells are …