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CMC0014

Sigma-Aldrich

BL21(DE3) Chemically Competent Cells

for protein expression

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NACRES:
NA.85

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BL21(DE3) Electrocompetent Cells for protein expression

Sigma-Aldrich

CMC0016

BL21(DE3) Electrocompetent Cells

for protein expression

BL21(DE3) Competent Cells - Novagen BL21(DE3) is a chemically competent E. coli cell suitable for transformation and high level protein expression using a T7 RNA polymerase-IPTG induction system.

Sigma-Aldrich

69450-M

BL21(DE3) Competent Cells - Novagen

BL21(DE3) is a chemically competent E. coli cell suitable for transformation and high level protein expression using a T7 RNA polymerase-IPTG induction system.

SIG10 Chemically Competent Cells for protein expression and DNA plasmid production

Sigma-Aldrich

CMC0001

SIG10 Chemically Competent Cells

for protein expression and DNA plasmid production

BL21(DE3) pLysE Chemically Competent Cells for protein expression

Sigma-Aldrich

CMC0015

BL21(DE3) pLysE Chemically Competent Cells

for protein expression

OverExpress™ C41(DE3) Chemically Competent Cells for the highest protein expression

Sigma-Aldrich

CMC0017

OverExpress™ C41(DE3) Chemically Competent Cells

for the highest protein expression

Rosetta(DE3) Competent Cells - Novagen Rosetta host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. coli.

Sigma-Aldrich

70954

Rosetta(DE3) Competent Cells - Novagen

Rosetta host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. coli.

E. coli BL21 Cytiva 27-1542-01, pack of 1 vial

GE27-1542-01

E. coli BL21

Cytiva 27-1542-01, pack of 1 vial

SIG10 5a Chemically Competent Cells for DNA plasmid production

Sigma-Aldrich

CMC0007

SIG10 5a Chemically Competent Cells

for DNA plasmid production

OverExpress™ C43(DE3) Chemically Competent Cells for the highest protein expression

Sigma-Aldrich

CMC0019

OverExpress™ C43(DE3) Chemically Competent Cells

for the highest protein expression

Rosetta 2(DE3) Competent Cells - Novagen 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.

Sigma-Aldrich

71397

Rosetta 2(DE3) Competent Cells - Novagen

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.

grade

for molecular biology

cell transformation

competent cell type: chemically competent
transformation efficiency: ≥1 x 107 cfu/μg

shipped in

dry ice

storage temp.

−70°C

Related Categories

General description

The BL21(DE3) Chemically Competent strains contain the phage T7 RNA polymerase gene linked to the IPTG-inducible promoter, for use with any expression plasmid containing the T7 promoter.

Genotype

F – ompT hsdSB (rB- mB-) gal dcm (DE3)

Application

The E. coli strain BL21 (DE3) has been used to express tau 2N4R isoform (aa1–441) and the truncated tau (aa1–421) using pET19b as expression vector.

Packaging

40, 40, 40, 80, 160 μL

Features and Benefits

  • a transformation efficiency of >1 × 107 cfu/μg.
  • economical prices
  • offering superior value for everyday protein expression work.

Components

  • BL21(DE3) chemically competent cells
  • pUC 19 transformation control DNA
  • recovery medium for expression

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Certificate of Analysis

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Certificate of Origin

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