E. coli & Other Chemically Competent Cells

Intact Genomics® Highest Efficiency Chemically Competent E. Coli Cells

  • Highest Transformation Efficiency – Up to 10–100× higher than other leading brands.
  • Quality Control – We maintain rigorous quality control measures in accordance with ISO 13485:2016 to ensure consistent reliability from batch to batch.
  • Affordable– Competitive pricing to maximize your research budget.
  • Format Flexibility & Custom Services Available – 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.
Efficiency comparison of genetic tests

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

Application Product Link Specialization Efficiency
Cloning IG 5-alpha Chemically Competent Cells Routine cloning and sub-cloning, library construction ≥1.0 × 109
IG 10B Chemically Competent Cells Routine cloning and sub-cloning, library preparation including large DNA >10 kb ≥1.0 × 1010
IG XL1 Blue Max Chemically Competent Cells Stable plasmid propagation with blue/white screening ≥1.0 × 1010
HB101 Chemically Competent Cells Stable plasmid maintenance ≥1.0 × 108
JM109(DE3) Chemically Competent Cells Cloning and T7 protein expression strain ≥1.0 × 108
JM109 Chemically Competent Cells Routine transformation and cloning ≥1.0 × 108
MG1655 Chemically Competent Cells "Wildtype" E. coli strain ≥1.0 × 109
Specialized Cloning IG Stable 2 Chemically Competent Cells Cloning direct repeat sequences (unstable DNA) ≥1.0 × 109
IG Recombineering Chemically Competent Cells Homologous recombination, DNA, plasmid, and BAC engineering ≥1.0 × 109
IG ccdB Resist™ Chemically Competent Cells Propagation of plasmids containing the ccdB gene ≥1.0 × 109
Protein Expression IG Autoinduction DE3 Chemically Competent Cells Optimized for autoinduction of protein expression ≥3.0 × 107
BL21(DE3) Chemically Competent Cells Routine T7 protein expression ≥1.0 × 109
BL21 Chemically Competent Cells Routine non-T7 protein expression ≥1.0 × 109
BL21(DE3)pLysS Chemically Competent Cells T7 protein expression with tighter control for toxic proteins ≥3.0 × 107
IG C41(DE3) Chemically Competent Cells Improved expression of toxic proteins ≥3.0 × 107
IG C41(DE3)pLysS Chemically Competent Cells Improved expression of toxic proteins with suppressed basal expression ≥1.0 × 107
IG C43(DE3) Chemically Competent Cells Most tolerant of toxic proteins ≥3.0 × 107
IG C43(DE3)pLysS Chemically Competent Cells Most tolerant of toxic proteins with suppressed basal expression ≥5.0 × 106
DL39(DE3) Chemically Competent Cells Precise control over protein synthesis ≥1.0 × 107
Phage Display ER2738 Phage Display Chemically Competent Cells Preparation of antibody or peptide phage display libraries ≥1.0 × 1010
Medium IG Recovery Medium Superior formulation for competent cell transformations High-efficiency
IG Autoinduction Medium Directly promotes high-yield growth of E. coli and high-level expression of T7 promoter-regulated recombinant proteins High-efficiency
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