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BL21(DE3) Competent <i>E. coli</i>
BL21(DE3) Competent E. coli

High yields, high efficiency, and no heat shock necessary.
 
Name Cat# Description Price Qty
BL21(DE3)
BS-100
10x100μl (10 tubes), >1x10⁸
$110.00
BL21(DE3)
BS-196
96x50μl (96-tube rack), >1x10⁸
$320.00

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

Manual & Protocols



COA ( Certificate of Analysis )



MSDS & Certificates

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