Promotional price valid on web orders only. Your contract pricing may differ. Interested in signing up for a dedicated account number?
Learn More

MilliporeSigma™ Novagen™ BL21(DE3) Singles™ Competent Cells

Catalog No. 702354 Shop All MilliporeSigma Products
Click to view available options
Quantity:

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.

BL21 strains are the most widely used hosts for protein expression from pET recombinants and have the advantage of being deficient in both lon and ompT proteases.

Specifications

Efficiency

Guaranteed efficiency: >2 x 107 cfu/μg

Content And Storage

≤-70°C

Quantity

22 Reactions

Product Title
Select an issue

By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.