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Code: SM-190918
Protein Purification Starter-Kit
SPR Interaction Study Kit
Strep-Tactin®XT Starter Kit
Get all you need in for protein purification and Western Blot detection in 1 kit!
Strep-Tactin®XT Starter Kit:
About Strep-Tactin®XT Purification

Strep-Tactin®XT is a novel engineered Strep-Tactin® variant with improved binding affinity for Strep-tag®II and Twin-Strep-tag® (near covalent!). Since Biotin is still binding strongly to Strep-Tactin®XT it can be used for elution of Twin-Strep-tag® fusion proteins.

Strep-Tactin®XT is suitable for purification of all protein classes, especially enzymes, metallo enzymes, membrane proteins and low abundant proteins, without interfering with protein folding or enzyme activity.

Image: Higher binding affinity of Strep-Tactin®XT to Twin-Strep-tag®
-20% CHF
  Strep-Tactin®XT Starter Kit 1 Kit for 8 applications 2-4998-000
* 20% discount valid until 31st December 2018. Not summable with other discounts. Promo-Code: SM-190918
SPR analysis with Strep-Tactin®XT and Twin-Strep-tag®
Surface plasmon resonance (SPR) is a commonly used technology to study biomolecular interactions. It requires an efficient binding of the ligand to the immobilized capturing molecule. The Twin-Strep-tag® Capture Kit is intended for reversible high affinity capturing of Twin-Strep-tag® fusion proteins on carboxyl-derivatized sensor chips using Biacore SPR systems. The Kit consists of Strep-Tactin®XT as capture molecule, a Control protein, Immobilization- and Regeneration buffer.
Key benefits of Strep-Tactin®XT and Twin-Strep-tag® for SPR experiments
  • Ligand is not inactivated or influenced by immobilization procedure
  • No chemical modification of the ligand required
  • High affinity enables measurements over a long time (T1/2 = 13 h)
  • Chip can be regenerated easily by an established procedure
  • Ligands can be captured directly from complex samples
Application Data & References
-20% CHF
  Twin-Strep-tag® Capture Kit 1 Kit 2-4370-000
* 20% discount valid until 31st December 2018. Not summable with other discounts. Promo-Code: SM-190918
Email: lucerna-chem@lucerna-chem.ch Phone: +41 41 420 96 36 Fax: +41 41 420 96 56 Web: www.lucerna-chem.ch
 Lucerna-Chem,  AG Abendweg 18,  CH-6006 Luzern


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