Gene Cloning Products

Competent Cells (E. coli )

Save your time – complete your transformation in just 6 minutes using our patented cells

Strain DH5a

ECOS™ X 

Our highest efficiency DH5a strain yet. Recommended for applications such as library constructions.

Efficiency > 5 x 109 cfu/μg

 

ECOS™ 21 (Strain BL21)

ECOS™ 101

Our most popular DH5a strain for everyday cloning applications.

Comes in three efficiencies levels:   

       1×108, 3×108, 1×109cfu/μg