<p>The ESCRT pathway’s AAA+ ATPase, Vps4p, remodels ESCRT-III complexes to drive membrane fission. Here, we use peptide binding assays to further the understanding of substrate specificity and the mechanism of autoinhibition. Our results revealed unexpected sequence preference to the substrate binding groove and an elegant mechanism of regulation that couples localization to substrate with release from autoinhibition.</p>

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Substrate binding and coupled mechanisms of Vps4p substrate recruitment and release from autoinhibition

  • Henry Wienkers,
  • Han Han,
  • Frank Whitby,
  • Christopher P Hill

摘要

The ESCRT pathway’s AAA+ ATPase, Vps4p, remodels ESCRT-III complexes to drive membrane fission. Here, we use peptide binding assays to further the understanding of substrate specificity and the mechanism of autoinhibition. Our results revealed unexpected sequence preference to the substrate binding groove and an elegant mechanism of regulation that couples localization to substrate with release from autoinhibition.