Coupling of Hsp90 C-Terminal Peptide to the Acceptor Beads
2:49
Assay for Interaction Between GST-FKBP51 or GST-FKBP52 and Hsp90 C-Terminal Peptide and Inhibition with Small Molecular Mass Compounds
4:14
Dose-Response Curve Generation and IC50 Calculation
4:58
Results: Inhibitory Effect of Small Molecular Weight Test Compound D10
5:59
Conclusion
Transkript
We built a homogeneous bead-based assay to study chaperone-cochaperone interactions. Using this technique, we screen small molecules inhibiting interactions between Hsp90 and FKDP51 or FKBP52 and identify potent and selective inhibitors. This high
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This protocol presents a technique for probing protein-protein interactions using glutathione-linked donor beads with GST-fused TPR-motif co-chaperones and acceptor beads coupled with an Hsp90-derived peptide. We have used this technique to screen small molecules to disrupt Hsp90-FKBP51 or Hsp90-FKBP52 interactions and identified potent and selective Hsp90-FKBP51 interaction inhibitors.