| Description |
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Inhibiting protein-protein interactions (PPIs) with synthetic molecules remains a frontier of chemical biology. Many PPIs have been successfully targeted by mimicking -helices at interfaces, but most PPIs are mediated by non-helical, non-strand peptide loops. We sought to comprehensively identify and analyze these loop-mediated PPIs by writing and implementing LoopFinder, a customizable program ... read morethat can identify loop-mediated PPIs within all protein-protein complexes in the Protein Data Bank. Comprehensive analysis of the entire set of 25,005 interface loops revealed common structural motifs and unique features that distinguish loop-mediated PPIs from other PPIs. "Hot loops," named in analogy to protein hot spots, were identified as loops with favorable properties for mimicry using synthetic molecules. The hot loops and their binding partners represent new and promising PPIs for the development of macrocycle and constrained peptide inhibitors.read less
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| Citation |
- Kritzer, J.A., Gavenonis, J., Sheneman, B., Siegert, T., Eshelman, M.R. Comprehensive analysis of loops at protein-protein interfaces for macrocycle design. Nat. Chem. Biol. 2014 10(9), 716-722. doi:10.1038/nchembio.1580.
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