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Promega JM109 Competent Cells 
JM109 is a K strain that is recA- and endA- to minimize recombination and improve the quality of plasmid DNA. In addition, the cells carry the F' episome, which allows blue/white screening.
Supplier: Promega L1001
Description
- Ready-to-Use Competent E. coli Cells for Recombinant Cloning and Subcloning
- Cells are ready to use—no preparation time necessary
- Transformation efficiencies guaranteed
- No worries about undesirable recombination events (recA- mutation), and no nuclease carryover in miniprep DNA (endA- mutation)
Specifications
| >107cfu/μg | |
| Transformation of unmethylated DNA derived from PCR, cDNA and many other sources | |
| 7 | |
| 5 x 0.2 mL |
| Store at -70°C. | |
| JM109 Competent Cells (subcloning efficiency) and Control DNA | |
| Competent Cells |