BL21 (λDE3) Chemically Competent E. coli Cells | Recombinant Proteins Production

BL21(λDE3) chemically competent E.coli cells are suitable for transformation, high-level expression and production of recombinant proteins in bacterial systems. The strain lacks the lon and ompT proteases thus promoting stability of recombinant proteins. BL21(λDE3) strain carries a copy of the T7 RNA polymerase under control of the IPTG inducible lacUV5 promoter, and as a result, is ideal for controlled expression of both E. coli and T7 promoter driven constructs.

BL21 (λDE3) chemically competent E. coli cells are supplied as a pack of 10 ready-to-use 100 μl/tube aliquots.

Applications:

• Ideal for expressing proteins in E.coli
• BL21(λDE3) cells carry the lambda DE3 lysogen for expression from vectors utilizing the T7 promoter

Catalog # BL21-201

This product is intended for laboratory research use only.