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Invitrogen™ One Shot™ ccdB Survival™ 2 T1R Competent Cells 
One Shot ccdB Survival 2 T1R Competent Cells are suitable for the propagation of plasmids containing the ccdB gene and are designed for use with the Gateway Vector Conversion System and for propagating Gateway destination, donor, and supercoiled entry vectors.
Supplier: Invitrogen™ A10460
Includes: ccdB Survival2 T1R Competent Cells: 11 vials, 50μL each, pUC19 DNA (10pg/μL): 1 vial, 50μL, S.O.C. medium: 1 bottle, 6mL
Description
One Shot ccdB Survival 2 T1R Competent Cells are suitable for the propagation of plasmids containing the ccdB gene and are designed for use with the Gateway Vector Conversion System and for propagating Gateway destination, donor, and supercoiled entry vectors. ccdB Survival 2 T1R cells that are made chemically competent can achieve high transformation efficiency of >1 x 109 transformants/μg plasmid DNA.
The ccdB Survival 2 T1R E. coli strain is derived from the TOP10 strain and offers the same benefits. Mutations in the methylation-dependent restriction system (mcrA, mcrBC, and mrr) allow cloning of both prokaryotic and eukaryotic genomic DNA that contains methylcytosine and methyladenine. This strain also has the lacZΔM15 genotype, providing the option of blue-white screening on plates containing either X-Gal or Bluo-Gal. In addition, recA1 and endA1 mutations increase insert stability and improve the quality of plasmid DNA prepared from minipreps.The tonA (also known as fhuA) mutation in ccdB Survival 2 T1R cells confers resistance to bacteriophages T1 and T5, safeguarding samples against contamination.
ccdB Survival 2 T1R Competent Cells offer:
• >1 x 109 transformants/μg efficiency
• tonA (fhuA) genotype to confer resistance to T1 and T5 phage
• Support of high-yield preparation of supercoiled plasmid DNA (the endA1 phenotype)
• Reduced nonspecific recombination of cloned DNA (the recA1 phenotype)
Convenient and efficient format
One Shot ccdB Survival 2 T1R E. coli are supplied in the convenient, single-reaction One Shot format. Each tube contains enough cells for one transformation so there are no efficiency-zapping, freeze-thaw cycles or money wasted on unused cells.
Genotype: F-mcrA Δ(mrr-hsdRMS-mcrBC) φ80lacZΔM15 ΔlacX74 recA1 araΔ139 Δ(ara-leu)7697 galU galK rpsL(StrR) endA1 nupG fhuA::IS2
Find the strain and format that fits your needs
• We offer other DH strains in chemically competent and electrocompetent cell formats to meet your specific needs.
• MultiShot formats for high throughput applications are available.
Order Info
Shipping Condition: Dry Ice
Specifications
| Chemically Competent Cells | |
| Yes (endA1) | |
| High Efficiency (>1 x 109 cfu/μg) | |
| Yes (Streptomycin) | |
| Yes (lacZΔM15) | |
| ccdB vector propagation | |
| Yes (recA1) | |
| Yes | |
| Tube | |
| 11 x 50 μL |
| No | |
| Yes (mcrA) | |
| • One Shot ccdB Survival 2 T1R Competent Cells (11 x 50 μL) Store Competent Cells at &ndash80°C. • pUC19 DNA (50 μL at 10 pg/μL) Store pUC19 DNA at –20°C. • S.O.C. Medium (6 ml) Store S.O.C. Medium at 4°C or room temperature. |
|
| Not suitable for cloning unstable DNA | |
| Low | |
| No | |
| Dry Ice | |
| E. coli (K12) | |
| One Shot™ |
For Research Use Only. Not for use in diagnostic procedures.