Rosetta™ 2 Competent Cell Set, Expression Strains, MilliporeSigma

Supplier: MilliporeSigma

71405-3 71405-3

16003-950EA 349.11 USD

16003-950 CA16003-950

Rosetta™ 2 Competent Cell Set, Expression Strains, MilliporeSigma

Competent Cells

Rosetta™ 2 host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. coli.

Supply tRNAs for 7 rare codones (AGA, AGG, AUA, CUA, GGA, CCC, and CGG)
Compatible chloramphenicol-resistant plasmid
tRNA genes are driven by their native promoters

DE3 indicates that the host is a lysogen of λDE3, and therefore carries a chromosomal copy of the T7 RNA polymerase gene under control of the lacUV5 promoter. Such strains are suitable for production of protein from target genes cloned in pET vectors by induction with IPTG.

pLysS strains express T7 lysozyme, which further suppresses basal expression of T7 RNA polymerase prior to induction, thus stabilizing pET recombinants encoding target proteins that affect cell growth and viability.

Delivery information: It includes Rosetta 2 Competent Cells (2×0.2 ml); Rosetta 2(DE3) Competent Cells (2×0.2 ml); Rosetta 2(DE3)pLysS Competent Cells (2×0.2 ml); 4×2 ml SOC Medium and 2 ng Test Plasmid.

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