SKU: AGL-230134 · Manufactured by: Agilent Technology Inc.
Chemically-competent BL21 competent cells are an all-purpose strain for high-level protein expression and easy induction. BL21 pLysS has the tightest control of protein expression for extremely toxic proteins. Indeed, pLysS codes for T7 lysozome, a T7 RNA polymerase inhibitor. Efficiency : ≥1 x 108 cfu/ µg of supercoiled DNA.