News

  • 1st Czechoslovak Congress of Medical Genetics 2025

    In the spring, we will participate in the 1st Czechoslovak Congress of Medical Genetics, which will take place from April 2–4, 2025, at the Cultural and Congress Center Elektra in the spa town of Luha...

    Read more
  • RANK 2025

    Visit us at the 19th edition of the RANK 2025 conference, which will take place on March 19th and 20th at the Zlatá Štika Hotel in Pardubice. The conference is organized by the Czech Society of Clinic...

    Read more
  • Kapras Day 2025

    We would like to invite you to the 23rd Kapras Day on the topic of  "Clinical Genetics," which will take place on Wednesday, February 26, 2025, in the Congress Hall of Hotel Olšanka in Prague. We loo...

    Read more
Show news archive
https://www.carolinabiosystems.cz/453-thickbox_default/bl21de3-competent-e-coli.jpg View full size

BL21(DE3) Competent E. coli

Contact us

BS-100

Description
High yields, high efficiency, and no heat shock necessary.

Application

  • Ideal for expressing proteins in E. coli.
  • BL21(DE3) cells carry the lambda DE3 lysogen.

Recommended torage condition
This product should be stored at -80°C. Thaw on ice only before use. Do not re-freeze.

Recommended reaction conditions

  • Mix DNA with competent cells
  • Let stand on bench for 5 minutes
  • Direct plate

Genotype
F– ompT gal dcm lon hsdSB(rB- mB-) λ(DE3 [lacI lacUV5-T7 gene 1 ind1 sam7 nin5])

Reference
Miroux B, Walker JE. J. Mol. Biol. (1996) 260, 289-298.

Competent Cell Type:
Chemically

Transformation Efficiency (cfu/μg):
>1x108

Blue-Whiet Screening:
No

Strain:
B

Reduces Recombination:
No

Cloning Methylated DNA:
No

Improves Plasmid Quality:
No

Preparing Unmethylated DNA:
Not suitable

T1 Phage Resistant:
No

RecA Deficient:
No

Cart  

No products

0,00 € Total

Cart Checkout

Payment gate

Platební loga