Applications for the Strep-tag® assay system
- Antibody or serum screening (see applications)
- Diagnostic assays
- Expression cloning
- Protein interaction studies
- Screening of engineered enzymes
- Drug screening
The Strep-tag® assay system uses 8-well strips coated with either
- Strep-Tactin®XT or
allowing Strep-tag®II or Twin-Strep-tag® fusion proteins to be selectively captured from complex mixtures of molecules. The biomolecules are presented to interacting partners in a uniform manner which results in reliable and reproducible assay formats.
A comparison of immobilisation efficiency of Strep-Tactin®XT and Strep-Tactin® for Strep-tag®II and Twin-Strep-tag® fusion proteins can be found here.
Develop your own Assay!
Due to the high binding affinity of Strep-Tactin®XT with Twin-Strep-tag® in the low pM range, it is highly suitable for assays like SPR (surface plasmon resonance).
Request unconjugated Strep-Tactin®XT using this form: