Rosetta™ Competent Cells, Expression Strains, MilliporeSigma

Supplier: MilliporeSigma
70953-3 70953-4 70954-3 70954-4 70956-3 70956-4
CA80509-768EA 410.5 CAD
CA80509-768 CA80509-770 CA80509-776 CA80509-778 CA80509-788 CA80509-790
Rosetta™ Competent Cells, Expression Strains, MilliporeSigma
Competent Cells
Rosetta™ host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. coli.

  • tRNA genes are driven by their native promoters
  • Standard for 20 or 50 reactions
  • Guaranteed efficiency: >2×106 cfu/µg for host strains

These strains supply tRNAs for AGG, AGA, AUA, CUA, CCC, GGA codons on a compatible chloramphenicol-resistant plasmid. Thus the Rosetta™ strains provide for 'universal' translation which is otherwise limited by the codon usage of E. coli.

DE3 indicates that the host is aMore Product Information
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