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Promega™ JM109 Competent Cells

Ready-to-use preparations provide convenient, efficient transformation

Manufacturer: promega™  L1001

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Catalog No. PR-L1001


Description & Specifications


Concentration >107cfu/μg
For Use With (Application) Transformation of unmethylated DNA derived from PCR, cDNA and many other sources
Includes JM109 Competent Cells (subcloning efficiency) and Control DNA
pH 7
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