全原子コンピュータシミュレーションで解き明かす,天然変性蛋白質の分子認識機構

書誌事項

タイトル別名
  • Molecular Recognition of Intrinsically Disordered Proteins Studied by All-Atom Molecular Simulation
  • ゼン ゲンシ コンピュータシミュレーション デ トキアカス,テンネン ヘンセイ タンパクシツ ノ ブンシ ニンシキ キコウ

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抄録

Coupled folding and binding exhibited by intrinsically disordered proteins (IDPs) was reproduced computationally by an enhanced conformational sampling method, multicanonical molecular dynamics. We treat biomolecules with an all-atom model immersed in an explicit solvent. A free-energy landscape, which is a road map for the biomolecular conformational changes, has been computed for two IDP-partner systems (NRSF–mSin3 and pKID–KIX). Native and non-native complex clusters distributed in the landscape, and free-energy barriers separated those clusters. Analyses have suggested that various encounter complexes can reach the native complex via multiple pathways with overcoming the free-energy barriers.<br>

収録刊行物

  • 生物物理

    生物物理 54 (2), 096-099, 2014

    一般社団法人 日本生物物理学会

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