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Promega™ JM109 Competent Cells

Ready-to-use preparations provide convenient, efficient transformation

Manufacturer: promega™  L2001

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Catalog No. PR-L2001

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Description & Specifications


Concentration >108cfu/μg
For Use With (Application) Transformation of unmethylated DNA derived from PCR, cDNA and many other sources
Includes JM109 Competent Cells (high efficiency) and Control DNA
pH 7.4
Product Type Competent Cells
Quantity 5 x 0.2mL
Storage Requirements Store at -70°C.

  • Ready-to-use
  • For researchers doing more than one transformation, competent cells are available in standard format (0.2mL aliquots) with control DNA
  • Single-use competent cells (0.05mL aliquots) also are offered

  • K strain cells that are recA- and endA-
  • Minimize recombination and improve plasmid DNA quality
  • Carry F' episome, which allows blue/white screening
  • Available for transformation in two efficiencies, high efficiency at >108cfu/μg and subcloning efficiency at >107cfu/μg