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. …

Thermo Scientific BL21(DE3) Competent Cells are suitable for the expression of non-toxic heterologous genes. The strain contains the lambda DE3 prophage that carries the gene for …

BL21 (DE3) Competent E. coli is a widely used T7 expression E. coli strain. Ideal for routine T7 expression; Protease deficient B strain; No dry ice surcharge on competent cell shipments; …

BL21 (DE3)菌株用于高效表达克隆于 含有噬菌体T7启动子的表达载体 (如pET系列)的基因。 λ噬菌体DE3区含有T7噬菌体RNA聚合酶，该基因整合于BL21的染色体上，所以称为BL21 (DE3)。 …

2016年1月11日 · FAQ: What is the difference between BL21 and BL21(DE3) competent E.coli cells? Both strains are B strains and thus both are deficient in Lon protease (cytoplasm) and …

Escherichia coli strain BL21 is one of the widely used bacterial hosts for high-level recombinant protein production and for other applications. Here, we present the complete genome …

Thermo ScientificTM BL21(DE3) Competent Cells are suitable for the expression of nontoxic heterologous genes. The strain contains the DE3 lysogen that carries the gene for T7 RNA …

One Shot BL21(DE3) Chemically Competent E. coli cells are ideal for use with bacteriophage T7 promoter-based expression systems such as pRSET and pET. This strain had been …

BL21-AITM One Shot® Competent E. coli is an arabi-nose-inducible strain designed to give you the maxi-mum protein expression with the tightest regulation available from a T7 expression …

2024年10月28日 · The strain contains DE3, a λ prophage carrying the T7 RNA polymerase gene under control of the lac UV5 promoter and lacIq. IPTG is required to induce expression of the …