DH5a™ is the most frequently used E. coli strain for routine cloning applications. In addition to supporting blue/white screening recA1 and endA1 mutations in DH5a™ increase insert stability and improve the quality of plasmid DNA prepared from minipreps.
Recommended storage condition:
This product should be stored at -80°C. Thaw on ice only before use. Do not re-freeze.
F- 80dlacZ M15 (lacZYA-argF) U169 recA1 endA1hsdR17(rk-, mk+) phoAsupE44 -thi-1 gyrA96 relA1
Woodcock, D.M., Crowther, D.M., Doherty, J., Jefferson,S., DeCruz, E., Noyer-Weidner, M., Smith, S.S., Michael, M.Z., and Graham, M.W., Nucl. Acids Res. (1989) 17, 3469-3478
Competent Cell Type: Chemically
Transformation Efficiency (cfu/μg):
Cloning Methylated DNA:
Improves Plasmid Quality:
Preparing Unmethylated DNA:
T1 Phage Resistant: