Competent Cells
New England Biolabs, Inc. NEB® 5-alpha Competent E. coli (High Efficiency) – 96 x 50 µl/tube (12 x 8-tube strips)
NEB 5-alpha Competent E. coli (High Efficiency) is a derivative of the popular DH5. It is T1 phage resistant and endA deficient for high-quality plasmid preparations.
- High efficiency strain ideal for cloning large plasmids and BACs
- Also available in chemically-competent format (single-use and 200 µl vials)
- No dry ice surcharge on competent cell shipments
- Outgrowth medium included
- Free of animal products
New England Biolabs, Inc. NEB 5-alpha F Iq Competent E. coli (High Efficiency) – 20 x 0.05 ml/tube
An F'Iq E. coli strain with extremely high transformation efficiency suitable for toxic gene cloning.
AMID BIOSCIENCES BL21(λDE3)pBirA Chemically Competent E. coli Cells for in vivo Biotinylation
BL21(λDE3)pBirA Chemically Competent E. coli Cells for in vivo Biotinylation
INTACT GENOMICS INC DirectPlate DH5-alpha Chemically Competent Cells , 1x384 well plate - 20µl/well
Intact Genomics DirectPlate™ Competent cells offer simple, fast, and robust DNA transformation. DirectPlate™ DH5-Alpha chemically competent E. coli cells streamline the workflow by eliminating heat shock, lengthy incubations, and time-consuming outgrowth procedures. Users simply mix and directly plate. These cells provide higher transformation efficiency than similar competitor products and are suitable for high-efficiency cloning and sub-cloning applications.
- Simple, fast, and robust results for DNA transformation
- Eliminates heat shock
- Eliminates lengthy incubations
- Eliminates time-consuming outgrowth procedures
- Simply mix and directly plate
- Higher transformation efficiency than competitor’s similar products
- Suitable for high-efficiency transformation in a wide variety of applications such as cloning and sub-cloning
New England Biolabs, Inc. NEB® 5-alpha Competent E. coli (High Efficiency) – 20 x 0.05 ml/tube
NEB 5-alpha Competent E. coli (High Efficiency) is a derivative of the popular DH5. It is T1 phage resistant and endA deficient for high-quality plasmid preparations.
- High efficiency strain ideal for a wide variety of applications
- In a wide variety of sizes, including single-use vials, 200 µl vials, 96- and 384-well plates
- No dry ice surcharge on competent cell shipments
- Outgrowth medium included
- Free of animal products
New England Biolabs, Inc. NEB® Stable Competent E. coli (High Efficiency) – 6 x 0.2 ml/tube
Chemically competent E. coli cells suitable for high efficiency transformation and isolation of plasmid clones containing repeat elements.
- Ideal for isolation of plasmid clones containing repeat elements and unstable inserts
- Useful for isolating and propagating retroviral/lentiviral clones
- Carries the endA mutation (in contrast to Stbl3) so that isolated plasmids are free of EndoI
- No dry ice surcharge on competent cell shipments
- Outgrowth medium included
LGC GENOMICS LLC (Lucigen) TransforMax EPI300 Chemically Competent E. coli, 10 Rxns
Chemically competent E. coli engineered to regulate the copy number of CopyControl Fosmid clones.
LGC GENOMICS LLC (Lucigen) ER2738 Electrocompetent Cells, 24 Rxns (DUOs)Create large phage display libraries with high efficiency cells recommended for peptide display.
Perfect for antibody phage display or peptide phage display library creation. ER2738 Electrocompetent Cells are an amber suppressor strain (glnV) prepared as highly efficient (2 10^10 cfu/g) electrocompetent cells for phage display library screening. This strain is recommended for use with New England Biolab's Ph.D.™ Phage Display Kits.
LGC GENOMICS LLC (Lucigen) E. cloni EXPRESS BL21(DE3)Chemically Competent Cells,24 RxnsGet better colony counts for routine protein expression with any E. coli T7 expression vector, with this high-efficiency BL21(DE3) strain.
LucigensE. cloniEXPRESS BL21(DE3) Electrocompetent Cells are the first to offer high efficiency cloning and high level protein expression in the same cell. Cloning efficiencies are increased 25-1,000 fold relative to competitors preparations of BL21 cells, which is essential for construction of complex expression libraries. The unprecedented transformation efficiency ofE. cloniEXPRESS Electrocompetent Cells (>5 10^9cfu/g) eliminates the need for plasmid transfer from the cloning strain to the expression strain, saving days of work in a typical cloning and expression experiment. E. cloni EXPRESS cells are also available as chemically competent cells. With a transformation efficiency of >1 10^7 cfu/g and very economical prices, EXPRESS Chemically Competent Cells offer superior value for everyday protein expression work.
New England Biolabs, Inc. SHuffle T7 Express Competent E.coli – 12 x 0.05 ml/tube
Chemically competent E. coli cells suitable for T7 protein expression with enhanced capacity to correctly fold proteins with multiple disulfide bonds in the cytoplasm.
New England Biolabs, Inc. SHuffle T7 Competent E.coli – 12 x 0.05 ml/tube
Chemically competent E. coli K12 cells suitable for T7 protein expression with enhanced capacity to correctly fold proteins with multiple disulfide bonds in the cytoplasm.