Chemically competent BL21(DE3) cells with T7 expression capability; lon and ompT deficient, phage T1 resistant. Compare host genotype and induction conditions.
Pack sizes & catalog numbers
5 x 50 μL · CC-103-5x50
PRODUCT OVERVIEW
Compare with context
EXPLORE YOUR OPTIONS
4 cross-manufacturer candidates and 0 same-manufacturer related products.
These products share a candidate substitution group. Interchangeability has not yet been validated against all experimental requirements. Check the listed selection criteria before switching.
Protein expression E. coli / T7 expression strains / BL21(DE3) chemically competent cells
Candidate only. Verify activity, specificity, formulation and protocol compatibility before substitution. DE3 lysogen supplies T7 RNA polymerase; NEB T7 Express variants have different genotype and toxicity controls.
Protein expression E. coli / BL21 strains / BL21(DE3) chemically competent cells
BL21(DE3) chemical transformation cells for T7-promoter expression. No pLysS plasmid is specified; follow the supplier direct-plating protocol.
Protein expression E. coli / BL21 strains / BL21(DE3) chemically competent cells
Classification is based on the supplied product name. Confirm formulation, application and compatibility in the manufacturer documentation.
Protein expression E. coli / BL21 strains / BL21(DE3) chemically competent cells
Chemically competent BL21(DE3) cells using the DirectPlate transformation workflow. Verify genotype and plasmid compatibility. Manufacturer recommends its specific mix-and-plate protocol rather than conventional heat shock.
Broader catalog resources for this branch. These links are discovery starting points, not verified replacements for individual products.
FROM THE LAB
Be the first to share your experience.
Ratings reflect user-reported experience, not independent performance testing or verified purchases. Reviews are never seeded or generated.
Create a researcher profile to rate products and share application-specific feedback.
Join the research community ↗TRACE THE EVIDENCE
Chemically competent BL21(DE3) cells with T7 expression capability; lon and ompT deficient, phage T1 resistant. Compare host genotype and induction conditions.
Primary classification is an editorial interpretation of the product name and cited source. Technical equivalence is not established by category membership. Read our methodology.