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BL21

$150.00
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CBE-1113-0.5ml
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BL21 competent cells:

The chemically competent BL21 cells are suitable for protein expression from E. coli promoters, such as Ptac, Plac, Pbad, etc.

Genotype: E. coli B F ompT gal dcm lon hsdSB(rB mB) [malB+]K-12S)

Transformation efficiency: ~5 x 104 cfu/µg pUC19 DNA

Shipped in: dry ice