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Competent Cells

Competent Cells: IG® Ultra-High Efficiency Electrocompetent E. coli Cells

Range of Chemically and Electrocompetrent cells for your molecular cloning needs

IG® Ultra-High Efficiency Electrocompetent E. coli Cells

 

Intact Genomics (IG®, ig®) offers the largest collections of high-quality competent cells on the market.

Originally founded as a BAC cloning company, Intact Genomics developed deep expertise in producing ultra-high-efficiency competent cells to enable transformation of very large plasmids (~300 kb) into E. coli. Over the years, this expertise—combined with continuous process optimization—has allowed us to consistently deliver exceptionally high transformation efficiencies and reliable performance.

Combining our scientists’ expertise and craftsmanship with state-of-the-art equipment, advanced protocols, and rigorous quality control standards, our competent cells provide the following advantages:

  • Exceptional Transformation Efficiency – Up to 10–100× higher than other leading brands.
  • Consistent Quality – Manufactured under an ISO 13485:2016-certified quality management system to ensure reliable lot-to-lot performance.
  • Competitive Pricing– High-performance products at affordable prices to help maximize your research budget.
  • Flexible Formats and Custom Services – We offer a broader range of formats than competitors, including tubes (multiple aliquot sizes), 96- and 384-well plates, and strip tubes. We also provide custom competent cell services tailored to your specific needs.

Application

Product 

Specialization

Efficiency

Routine Cloning

ig® 5-alpha Electrocompetent Cells

Routine cloning and sub-cloning, library construction (DNA <10 kb)

≥2.0 × 1010

ig® 10B Electrocompetent Cells

Routine cloning and sub-cloning, library preparation including large DNA >10 kb

≥5.0 × 1010

ig® XL1 Blue Max Electrocompetent Cells

Stable plasmid propagation with blue/white screening

≥5.0 × 1010

HB101 Electrocompetent Cells

Stable plasmid maintenance

≥5.0 × 1010

Specialized Cloning

igMax™ DH10B Electrocompetent Cells

Difficult large DNA fragment cloning, BAC library construction

≥5.0 × 1010

IG® Recombineering Electrocompetent Cells

Homologous recombination, DNA, plasmid, and BAC engineering

≥1.0 × 1010

ig® Stable 2 Electrocompetent E. coli Cells

Cloning direct repeat sequences (unstable DNA)

≥2.0 × 109

ig® ccdB Resist™ Electrocompetent E. coli Cells

Propagation of plasmids containing the ccdB gene

≥1.0 × 1010

Staphylococcus aureus (S. aureus) RN4220 ElectroCompetent Cells

A gateway strain to enable DNA manipulation in Staphylococcus aureus

≥1 × 105

Protein Expression

IG® Autoinduction DE3 ElectroCompetent Cells

Optimized for autoinduction of protein expression

≥1.0 × 1010

BL21(DE3) Electrocompetent Cells

Routine T7 protein expression

≥1.0 × 1010

BL21(DE3)pLysS ElectroCompetent Cells

Routine non-T7 protein expression

≥1.0 × 1010

IG® C41(DE3) Electrocompetent Cells

Improved expression of toxic proteins

≥1.0 × 1010

IG® C41(DE3)pLysS Electrocompetent Cells

Improved expression of toxic proteins with suppressed basal expression

≥1.0 × 109

IG® C43(DE3) Electrocompetent Cells

Most tolerant of toxic proteins

≥1.0 × 1010

IG® C43(DE3)pLysS Electrocompetent Cells

Most tolerant of toxic proteins with suppressed basal expression

≥5.0 × 109

Phage Display

TG1 Phage Display Electrocompetent Cells

Antibody phage display with amber suppressor

≥4.0 × 1010

SS320 Phage Display Electrocompetent Cells

Antibody phage display

≥5.0 × 1010

ER2738 Phage Display ElectroCompetent Cells

Peptide phage display with amber suppressor

≥4.0 × 1010

Medium

IG® Recovery Medium

Superior formulation for all competent cell transformations

High-efficiency

IG® Autoinduction Medium

Promotes high-yield growth of E. coli and high-level expression of T7 promoter-regulated recombinant proteins

High-efficiency

 

Custom Formats, Custom Package Sizes and Bulk Pricing Are Available Upon Request