Promega, L1191, BL21(DE3)pLysS Competent Cells

High-Efficiency Protein Expression from Gene with T7 Promoter and Ribosome Binding Site
Inducible protein expression from gene with T7 RNA polymerase controlled by
lac
UV5 promoter
Increased stability of expressed protein from deficiency in proteases lon and OmpT
Lower background expression of target genes with pLysS plasmid
Specifications：
Single-Use BL21(DE3)pLysS Competent Cells L119B 20 × 50μl