BL21 Competent E. coli (20x0.05ml)
BL21 Competent E. coli is a widely used non-T7 expression E. coli strain and is suitable for transformation and protein expression. This strain does not express the T7 RNA Polymerase.
- Ideal for Plac, Ptac, Ptrc ParaBAD expression vectors
- Protease deficient
- No dry ice surcharge on competent cell shipments
- Outgrowth medium included
- Free of animal products