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Structural change of polyglutamine-bearing molecules: The final challenge of Max Perutz Nobuyuki NUKINA 1 , Motomasa TANAKA 1 1RIKEN Brain Science Institute, Lab for Structural Neuropathology Keyword: マックス・ペルツ , ポリグルタミン , βシート , アミロイド pp.661-668
Published Date 2002/10/10
DOI https://doi.org/10.11477/mf.1431901389
  • Abstract
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Max Perutz showed the significance of protein structural change in pathomechanism of diseases by presenting “polar zipper”hypothesis in polyglutamine diseases. Since then, nuclear inclusion was identified in the neurons of polyglutamine diseases, and now what kinds of structural change occur in the responsible disease-gene products bearing expanded polyglutamine stretch is noted. Our results suggested that expanded polyglutamine forms intramolecular beta sheet and those beta sheets form amyloid through intermolecular interactions. Expanded polyglutamine also causes the destabilization and unfolding of their host molecule.


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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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