E. coli strain BW25141 (pir+)
- 10COMPATIBLE WITH RFC
- 12COMPATIBLE WITH RFC
- 21COMPATIBLE WITH RFC
- 23COMPATIBLE WITH RFC
- 25COMPATIBLE WITH RFC
- 1000COMPATIBLE WITH RFC
This is not the only strain able to propagate R6K at medium copy, but it has been mentioned in several papers and it is easily retrievable from the CGSC.
Coli Genetic Stock Center: strain number CGSC#7635.
 Haldimann A, Wanner BL (2001), Conditional-replication, integration, excision, and retrieval plasmid-host systems for gene structure-function studies of bacteria. Journal of Bacteriology, 183(21), p.6386-6393.
 Coli Genetic Stock Center (Yale University), strain code CGSC#7635.
 Anderson JC, Dueber JE, Leguia M, Wu GC, Goler JA, Arkin AP, Keasling JD (2010), BglBricks: A flexible standard for biological part assembly. Journal of Biological Engineering 2010 4:1.