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Your present location:HomeProductsGene ExpressionExpression Competent Cells / BL21(DE3) Chemically Competent Cell
  • Product Name: BL21(DE3) Chemically Competent Cell
  • Catalog Number: CD601
  • Storage: at -70°C for six months. Do not store in liquid nitrogen.
  • 币种:  
    • Specification: 10×100 µl 20×100 µl
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Overview

Description

BL21(DE3) Chemically Competent Cell is specifically designed for chemical transformation of DNA. It permits a transformation
efficiency of over 107 cfu/μg DNA (tested by pUC19 plasmid DNA).

 

Genotype

F- ompT hsdS(rB-mB-)gal dcm(DE3)

 

Features

• Transformation efficiency: >107 cfu/μg (pUC19 DNA).
• DE3 strains contains the λDE3 lysogen that carries the gene for T7 RNA polymerase.
• Suitable for T7 and T7lac such as pET, pEASY®.
• Suitable for high expression of non-toxic protein.
• Control plasmid I (Amp+) is used for detection of expression function of cell. The protein size is about 25 kDa.

 

 

Contents& storage

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