Competent Cell Selection Guide
| Product | NEB # | Characteristics |
|---|---|---|
| Strains for Cloning and Subcloning | ||
| NEB® Stable Competent E. coli (High Efficiency) |
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| NEB® Turbo Competent E. coli (High Efficiency) |
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| NEB® 5-alpha Competent E. coli (High Efficiency) |
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| NEB® 5-alpha F'Iq Competent E. coli (High Efficiency) |
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| NEB® 10-beta Competent E. coli (High Efficiency) |
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| dam-/dcm- Competent E. coli |
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| Strains for Protein Expression | ||
| NEB® Express Competent E. coli (High Efficiency) |
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| NEB® Express Iq Competent E. coli (High Efficiency) |
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| T7 Express Competent E. coli (High Efficiency) |
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| T7 Express lysY Competent E. coli (High Efficiency) |
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| T7 Express lysY/Iq Competent E. coli (High Efficiency) |
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| SHuffle® Express Competent E. coli |
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| SHuffle® T7 Express Competent E. coli |
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| SHuffle® T7 Express lysY Competent E. coli |
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| SHuffle® T7 Competent E. coli |
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| BL21 Competent E. coli |
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| BL21(DE3) Competent E. coli |
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| Lemo21(DE3) Competent E. coli |
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| NiCo21(DE3) Competent E. coli |
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There are many properties to consider when choosing a strain for your experiments. Requirements such as plasmid preparation, blue-white screening, cytoplasmic disulfide bond formation and fast colony growth necessitate specific strain choices. Please check the Strain Properties Chart for a particular experiment.
DH5α™ and DH10β™ are trademarks of Invitrogen.
SHuffle® is a registered trademark of New England Biolabs, Inc.
