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 genesDesigned for cloning direct repeats found in lentiviral expression vectorsIdeal for generating cDNA and genomic libraries and for cloning unstable inserts
Top Seller  yes
FormatBulkOne Shot
(pre-aliquoted; single use)
Volume per vial (µL)20050100
Number of vials5215
Total volume (µL)1,0001,050500
Transformation efficiency>1 x 109 cfu/µg>1 x 108 cfu/µg>5 x 109 cfu/µg
Type of transformationChemicalChemicalElectroporation
Mutations in genotype for cloning genomic DNA or methylated cDNAyesyesyes
Blue/white screening  yes
Contains F' episome for making single-stranded DNA  yes
*Stbl3 E. coli strain also available as high-throughput MultiShot formats