SURE 2 competent cells are ideal for routine cloning of DNA with secondary structures. Lack components of the pathways that catalyze the rearrangement and deletion of nonstandard secondary and tertiary structures Allow for blue-white color screening Replicating eukaryotic DNA in…

XL1-Blue Competent Cells are versatile for routine cloning and allow blue-white color screening. Designed to provide a host for optimal propagation of both plasmid and lambda phage vectors Available in a range of cloning efficiencies Available as economical subcloning-grade Competent…

Ultracompetent cells for high efficiency cloning of methylated DNA Ultracompetent cells for the highest efficiency cloning of a variety of plasmids Deficient in all known E. coli K12 restriction systems to eliminate cleavage of eukaryotic DNA with methylation patterns that are different…

Competent cells used to prepare plasmid or phagemid cells for more accurate analysis High quality competent cells for preparing methylation-free DNA. The SCS110 strain lacks both dam and dcm activity, and DNA propagated in this strain can be digested by methylation-sensitive enzymes such…

Deploy IPTG in blue/white selection assays to detect ß-galactosidase activity Used in combination with X-gal to detect ß-galactosidase activity in blue/white selection assays. Can induce protein expression when used with a number of derivatives including DE3-derivatives and…

XL-1 Red Competent Cells are ideal for introducing random mutations into a cloned gene of interest. Suitable for generating random mutations within genes lacking selectable or screenable phenotypes Does not require extensive genetic or biochemical manipulations;Generate random mutations…

SCSI supercompetent and DH5a competent cells are classic E. coli strains engineered for competence. Engineered to become competent This collection of competent cells, including SCSI supercompetent cells and DH5a competent cells, consists of classic E. coli strains that have been…

Achieve the highest transformation efficiencies available when cloning large plasmids and ligated DNA. Separate DNA fragments and libraries up to 5000 bp in 1-2 minutes/sample Achieve objective quantitative and purity measurements from as little as 2 µL of DNA, sensitive down to 5…

JM101 competent cells are recombination- and E. coli K12 restriction-proficient. Recombination- and E. coli K12 restriction-proficient;Blue-white color screening possible for recombinant plasmids Transformation efficiency > 1 x 10^8 transformants/µg DNA JM101…

XL1-Blue MRF’ and XL1-Blue MR competent cells allow representational cloning of methylated DNA. Transformation efficiency for XL1-Blue MR and XL-1 Blue MRF’ supercompetent cells of =1 x 10^9 transformants/µg Transformation efficiency for XL1-Blue MRF´ Kan…

Phage display libraries from electroporation-competent cells with high transformation efficiency. Just thaw, combine with DNA, and electroporate to get started quickly Efficiency of > 1 x 10^10 transformations/µg of pUC18 DNA Kit size 5 x 0.1 mL …

SCS110 competent cells for generating unmethylated DNA improve quality and yield of miniprep DNA. Transformation efficiency of = 5 x 106 transformants/µg DNA Propagated DNA digestible by methylation-sensitive enzymes such as Xba I, Cla I, and EcoR II;Endonuclease-deficient cells…

ABLE K Competent Cells for toxic clones reduce copy number 10-fold compared to the XL1-Blue strain. Reduces the copy number of ColE1-derived plasmids (such as pUC and pBluescript® plasmids) 10-fold Decreases level of cloned protein product to increase cell viability …

XL10-Gold ultracompetent cells transform large plasmids and ligated DNA with highest efficiency. Engineered to transform large plasmids and ligated DNA more efficiently than other cell lines Includes Hte phenotype for 20-fold to 30-fold higher transformation efficiency of ligated DNA and…

JM109 competent cells for routine cloning are recombination- and endonuclease-deficient. Recombination- and endonuclease-deficient Blue-white color screening possible for recombinant plasmids Transformation efficiency 1 x 10^8 transformants/µg DNA JM109 competent…

SoloPack Gold competent cells are high-efficiency Tetracycline and Chloramphenicol resistant cells. Tetracycline resistant;Chloramphenicol resistant The SoloPack Gold cells provide the high performance and convenience of single-tube transformation in efficiencies for everyday cloning.…