We supply high quality streptavidins. Please contact us to request a sample to test in your application.    

 Product Source Tetramer size Specific activity Application
SA10 Native from Streptomyces avidinii ~52 kDa ≥ 14.0 U/mg ELISA, conjugation     
SA26 Recombinant gene from Streptomyces avidinii expressed in E. coli ~56 kDa ≥ 15.0 U/mg Performs well in applications where streptavidin is immobilized 

 

Streptavidin [SA10]

from $ 350.00

Source:Streptavidin (Streptomyces avidinii) Specific activity:≥ 14.0 U/mg protein MW:~52,000 Daltons (based on MS), composed of...

Streptavidin-plus® (recombinant) [SA26]

from $ 350.00

Streptavidin-plus®, lyophilized (recombinant gene from Streptomyces avidinii expressed in E. coli) is a recombinantly-produced streptavidin...