Competent Cells needed for specialized applications like cloning unstable DNA, making single stranded DNA, Gateway compatibility, and more.

Which competent cells are right for you?

  Intended for cloning direct repeat retroviral sequences, and tandem array genes Designed for cloning direct repeats found in lentiviral expression vectors Ideal for generating cDNA and genomic libraries and for cloning unstable inserts
Top Seller     yes
Format Bulk One Shot
(pre-aliquoted; single use)
Volume per vial (µL) 200 50 100
Number of vials 5 21 5
Total volume (µL) 1,000 1,050 500
Transformation efficiency >1 x 109 cfu/µg >1 x 108 cfu/µg >5 x 109 cfu/µg
Type of transformation Chemical Chemical Electroporation
Mutations in genotype for cloning genomic DNA or methylated cDNA yes yes yes
Blue/white screening     yes
Contains F' episome for making single-stranded DNA     yes
  Order Order Order
*Stbl3 E. coli strain also available as high-throughput MultiShot formats