Journal
SCIENTIFIC REPORTS
Volume 9, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41598-019-42717-6
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Funding
- National Institutes of Health [GM118091]
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Many cellular functions, including signaling and regulation, are carried out by intrinsically disordered proteins (IDPs) binding to their targets. Experimental and computational studies have now significantly advanced our understanding of these binding processes. In particular, IDPs that become structured upon binding typically follow a dock-and-coalesce mechanism, whereby the docking of one IDP segment initiates the process, followed by on-target coalescence of remaining IDP segments. Multiple dock-and-coalesce pathways may exist, but one may dominate, by relying on electrostatic attraction and molecular flexibility for fast docking and fast coalescing, respectively. Here we critically test this mechanistic understanding by designing mutations that alter the dominant pathway. This achievement marks an important step toward precisely manipulating IDP functions.
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