Competent Cells
Invitrogen™ MultiShot™ BL21(DE3) Chemically Competent E. coli Cells, 96-well plate
MultiShot BL21(DE3) Chemically Competent E. coli Cells enable high-throughput protein expression with compatibility for automated liquid handling. This ready-to-use format streamlines cloning and expression workflows using the reliable BL21(DE3) expression strain.
Invitrogen™ MAX Efficiency™ DH5αF'IQ Competent Cells
MAX Efficiency DH5αF'IQ Competent Cells are high transformation efficiency chemically competent cells prepared by a patented modification of the procedure of Hanahan. This strain is a derivative of the DH5α strain, sharing the same benefits.
Invitrogen™ ElectroMAX™ DH5α-E Competent Cells
ElectroMAX DH5α-E Competent Cells are derived from the DH5α strain and are suitable for transformation by electroporation.
Invitrogen™ One Shot™ BL21 Star™ (DE3) Chemically Competent E. coli
One Shot BL21 Star (DE3) Chemically Competent E. coli are designed for applications that require high-level expression of non-toxic recombinant proteins from low copy number, T7-promoter-based expression systems such as Champion pET vectors.
Invitrogen™ One Shot™ BL21-AI™ Chemically Competent E. coli
One Shot BL21-AI Chemically Competent E. coli cells are designed for applications that require tight regulation and strong expression of toxic proteins from any T7-promoter-based expression systems.
Invitrogen™ BL21 Star™ (DE3)pLysS One Shot™ Chemically Competent E. coli
One Shot BL21 Star (DE3)pLysS Chemically Competent E. coli are cells designed for applications that require high-level expression of non-toxic recombinant proteins from low or high copy number vectors, such as pRSET and pET.
Invitrogen™ One Shot™ BL21(DE3)pLysS Chemically Competent E. coli
One Shot BL21(DE3)pLysS Chemically Competent E. coli cells are ideal for use with bacteriophage T7 promoter-based expression systems such as pRSET and pET.
Invitrogen™ MultiShot™ TOP10 Chemically Competent E. coli
MultiShot TOP10 Chemically Competent E. coli cells are derived from DH10B and are one of the most popular laboratory strains.
MilliporeSigma™ Novagen™ Rosetta™ 2 Competent Cells
Novagen's Rosetta™ 2 host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. Coli.
MilliporeSigma™ Novagen™ Origami™ 2 Competent Cells
Origami 2 strains have mutations in glutathione reducatase (gor) and thioredoxin reductase (trxB), facilitating proper disulfide bond formation.
MilliporeSigma™ Novagen™ Rosetta-gami™ 2 (DE3) pLacI Competent Cells
Rosetta-Gami 2 strains allows for enhanced disulfide bond formation and enhanced expression of eukaryotic proteins. Contains the pLacI plasmid producing extra Lac repressor.
MilliporeSigma™ Novagen™ Origami™ B (DE3) pLysS Competent Cells
Origami B host strain derived from a lacZY mutant of BL21 to enable precise control of expression levels using IPTG. T7 lysozyme expression suppresses basal T7 expression.
MilliporeSigma™ Novagen™ Origami™ B Competent Cells
Origami B host strains carry the same mutations as the original Origami strain, except that they are derived from a lacZY mutant of BL21 to enable precise control of expression levels using IPTG.
MilliporeSigma™ Novagen™ HMS174 Competent Cell Set
HMS174 strains provide the recA mutation in a K-12 background.
MilliporeSigma™ Novagen™ NovaBlue T1R Singles™ Competent Cells
Featuring T1 and T5 phage resistance