Competent Cells
Competent Cells
Thermo Scientific™ BL21(DE3) Competent Cells
Suitable for the expression of non-toxic heterologous genes. The strain contains the lambda DE3 prophage that carries the gene for T7 RNA polymerase under control of a lacUV5 promoter, allowing expression of the T7 RNA polymerase to be induced with IPTG.
Thermo Scientific™ DH5α Competent Cells; High Efficiency
High efficiency, chemically competent E. coli cells ideal for construction of gene banks or generation of cDNA libraries using plasmid-derived vectors
Thermo Scientific™ DH5α Competent Cells
Chemically competent E. coli cells recommended for routine subcloning into plasmid vectors. Subcloning efficiency cells are not suitable for the generation of cDNA libraries.
Thermo Scientific™ DH10B Competent Cells; High Efficiency
High efficiency, chemically competent E. coli cells. The DH10B strain is suitable for cloning DNA containing methylcytosine, 5-hydroxymethylcytosine, and methyladenine, allowing both prokaryotic and eukaryotic genomic DNA to be cloned efficiently.
MilliporeSigma™ Novagen™ Tuner™ Competent Cell Set
Tuner™ strains are lacZY deletion mutants of BL21 and enable adjustable levels of protein expression throughout all cells in a culture.
MilliporeSigma™ Novagen™ Origami™ B (DE3) Competent Cells
Origami B host strains carry the same mutations as the original Origami strain, except that they are derived from a lacZY mutant of BL21 to enable precise control of expression levels using IPTG.
MilliporeSigma™ Novagen™ Origami™ B Competent Cells
Origami B host strains carry the same mutations as the original Origami strain, except that they are derived from a lacZY mutant of BL21 to enable precise control of expression levels using IPTG.
MilliporeSigma™ Novagen™ Origami™ B Competent Cell Set
Origami B host strains carry the same trxB/gor mutations as the original Origami strains, except that they are derived from a lacZY mutant of BL21.
MilliporeSigma™ Novagen™ Origami™ B (DE3) pLysS Competent Cells
Origami B host strain derived from a lacZY mutant of BL21 to enable precise control of expression levels using IPTG. T7 lysozyme expression suppresses basal T7 expression.
MilliporeSigma™ Novagen™ Rosetta™ Competent Cells
Rosetta host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. coli.
MilliporeSigma™ Novagen™ Rosetta™ (DE3) Competent Cells
Rosetta host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. coli.
MilliporeSigma™ Novagen™ Rosetta™ (DE3) pLysS Competent Cells
Rosetta host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. coli. T7 lysozyme expression suppresses basal T7 expression.
MilliporeSigma™ Novagen™ HT96™ NovaBlue Competent Cells
High-efficiency competent cells predispensed in 96-well plate for high-throughput applications
MilliporeSigma™ Novagen™ RosettaBlue™ (DE3) Competent Cells
RosettaBlue host strains are NovaBlue derivatives that combine high transformation efficiency and with enhanced expression of eukaryotic proteins that contain codons rarely used in E. coli.
MilliporeSigma™ Novagen™ Rosetta™ Blue Competent Cells
RosettaBlue host strains are NovaBlue derivatives that combine high transformation efficiency and with enhanced expression of eukaryotic proteins that contain codons rarely used in E. coli.
MilliporeSigma™ Novagen™ Rosetta™ Blue (DE3) Competent Cells
Rosetta-gami B strains combine the key features of BL21, Origami, and Rosetta to enhance both the expression of eukaryotic proteins and the formation of target protein disulfide bonds.
MilliporeSigma™ Novagen™ Rosetta-gami™ B (DE3) Competent Cells
Rosetta-gami B strains combine the key features of BL21, Origami, and Rosetta to enhance both the expression of eukaryotic proteins and the formation of target protein disulfide bonds.
MilliporeSigma™ Novagen™ Rosetta-gami™ B (DE3) pLacI Competent Cells
Rosetta-gami B strains combine the key features of BL21, Origami, and Rosetta to enhance the expression of eukaryotic proteins. Contains the pLacI plasmid producing extra Lac repressor.
MilliporeSigma™ Novagen™ Rosetta-gami™ B Competent Cells
Rosetta-gami B strains combine the key features of BL21, Origami, and Rosetta to enhance both the expression of eukaryotic proteins and the formation of target protein disulfide bonds.
MilliporeSigma™ Novagen™ Rosetta-gami™ B Competent Cell Set
Rosetta-gami B strains combine the key features of BL21, Origami, and Rosetta to enhance the expression of eukaryotic proteins. Contains the pLacI plasmid producing extra Lac repressor.
MilliporeSigma™ Novagen™ DE3 pLysS Competent Cell Set
For Protein Expressions
MilliporeSigma™ Novagen™ DE3 Competent Cell Set
For Protein Expressions
MilliporeSigma™ Novagen™ Veggie BL21 (DE3) Singles™ Competent Cells
Protease-deficient hosts (BL21) for protein expression; Manufactured free of animal-derived media and components
MilliporeSigma™ Novagen™ Veggie NovaBlue Singles™ Competent Cells
Produces high-quality plasmid DNA
MilliporeSigma™ Novagen™ NovaBlue T1R Singles™ Competent Cells
Featuring T1 and T5 phage resistance
MilliporeSigma™ Novagen™ Rosetta-gami™ 2 (DE3) pLysS Competent Cells
Rosetta-Gami 2 host strains allows for enhanced disulfide bond formation and enhanced expression of eukaryotic proteins. T7 lysozyme expression suppresses basal T7 expression.
MilliporeSigma™ Novagen™ Rosetta™ 2 (DE3) Singles Competent Cells
Novagen's Rosetta™ 2 host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. Coli.
MilliporeSigma™ Novagen™ Rosetta™ 2(DE3)pLysS Competent Cells
Novagen's Rosetta™ 2 host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. Coli.
MilliporeSigma™ Novagen™ Rosetta™ 2(DE3)pLacI Competent Cells
Rosetta strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. coli. Contains the pLacI plasmid producing extra Lac repressor.
MilliporeSigma™ Novagen™ Rosetta™ 2 Competent Cells
Novagen's Rosetta™ 2 host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. Coli.