Competent Cells

Competent Cells

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BL21 Competent <i>E. coli</i>
Chemically competent E. coli cells suitable for transformation and protein expression. This strain does not express the T7 RNA polymerase.
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BL21(DE3) Competent <i>E. coli</i>
High yields, high efficiency, and no heat shock necessary.
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BL21(DE3)pLysS Competent <i>E. coli</i>
High yields, high efficiency, and no heat shock necessary.
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Customized Competent <i>E. coli</i>
High transformation efficiency (>109) with minimum order of $550.00.
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Dh10-Beta Competent <i>E. coli</i>
The DH10B competent E. coli has a transformation efficiency of 1 x 109 cfu/µg for supercoiled DNA and is ideal for high-efficiency cloning and plasmid propagation. It allows stable replication of high-copy number plasmids. In comparison with DH5a, methylated DNA from genomic preparation could be efficiently transformed into DH10B, therefor, the DH10B cells are more applicable than DH5a in generating genomic libraries containing methylated cytosine or adenine residues.
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Dh5-Alpha Competent  <em>E. coli </em>
DH5a™ is the most frequently used E. coli strain for routine cloning applications.
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HB101 Competent <i>E. coli</i>
High yields, high efficiency, no heat shock step.
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JM109 Competent <i>E. coli</i>
High yields, high efficiency, no heat shock necessary.
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MC1061 Competent <i>E. coli</i>

Chemically competent E. coli cells with high stability suitable for high efficiency transformation.

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