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BL21(DE3) Chemically Competent Cell from YEASEN is a chemically transformed competent cell prepared on the basis of the Escherichia coli BL21 (DE3) strain and is a high-efficiency protein expression host with T7 RNA polymerase as the expression system. It can simultaneously express T7 RNA polymerase and E. coli RNA polymerase for protein expression of pET series, pGEX, pMAL, and other plasmids. The product is Suitable for recombinant expression of non-viral proteins. The conversion efficiency of more than 107 cfu/μg DNA was detected using pUC19.
BL21(DE3) competent cell genotypes: F-ompT hsdSB (rB-mB-) gal dcm (DE3).
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