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Merck™ Novagen™ Rosetta™ 2(DE3)pLysS Competent Cells

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

Marke:  Merck™ 71403-4

Weitere Details : Gewicht : 0.10000kg

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Artikelnummer. 15237644

  • 393.16 € / 1 Milliliter


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Beschreibung

Beschreibung

Rosetta™ 2 host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. coli. These strains supply tRNAs for 7 rare codones (AGA, AGG, AUA, CUA, GGA, CCC, and CGG) on a compatible chloramphenicol-resistant plasmid. The 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.
Spezifikation

Spezifikation

Rosetta-gami B(DE3) Competent Cells
Guaranteed efficiency: >2 x 106 cfu/μg
1mL
Store at ≤-70deg.C
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