E. coli BL21 (DE3)

(1 review) Write a Review
Current Stock:

E. coli strain BL21(DE3)

This strain is used for protein (over)expression from a T7 promoter.

For creating competent cells see here:

Genotype can be found here:


**Perishables included in this kit have been Freeze Dried. They will be viable over a month at Room temperature**



  • 5
    Favorite Strain

    Posted by Jake on 17th Aug 2016

    The T7 overexpression has helped a lot with a few of my projects. Great for creating lots of a single product.