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Intrinsically Disordered Proteins02:18

Intrinsically Disordered Proteins

19.3K
Intrinsically disordered proteins are a group of proteins that do not fold into specific three-dimensional structures. Their structural flexibility allows them to complement ordered proteins to perform functions that are inaccessible to rigid structures. They are more common in eukaryotes than prokaryotes and may either be exclusively intrinsically disordered or hybrid proteins, consisting of a mix of ordered and disordered regions. The absence of a rigid structure in these proteins can be...
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Intrinsically Disordered Proteins02:18

Intrinsically Disordered Proteins

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RNA Interference01:23

RNA Interference

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RNA interference (RNAi) is a process in which a small non-coding RNA molecule blocks the post-transcriptional expression of a gene by binding to its messenger RNA (mRNA) and preventing the protein from being translated.
This process occurs naturally in cells, often through the activity of genomically-encoded microRNAs. Researchers can take advantage of this mechanism by introducing synthetic RNAs to deactivate specific genes for research or therapeutic purposes. For example, RNAi could be used...
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Interference and Diffraction02:18

Interference and Diffraction

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Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.
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Conserved Binding Sites01:49

Conserved Binding Sites

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Many proteins’ biological role depends on their interactions with their ligands, small molecules that bind to specific locations on the protein known as ligand-binding sites. Ligand-binding sites are often conserved among homologous proteins as these sites are critical for protein function.
Binding sites are often located in large pockets, and if their location on a protein’s surface is unknown, it can be predicted using various approaches. The energetic method computationally...
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The Eukaryotic Promoter Region02:40

The Eukaryotic Promoter Region

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The eukaryotic promoter region is a segment of DNA located upstream of a gene. It contains an RNA polymerase binding site, a transcription start site, and several cis-regulatory sequences.  The proximal promoter region is located in the vicinity of the gene and has cis-regulatory sequences and the core promoter. The core promoter is the binding site for RNA polymerase and is usually located between -35 and +35 nucleotides from the transcription start site. The distal promoter regions are...
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Author Spotlight: Unlocking the World of Intrinsically Disordered Regions with Cellular Sensing and Responses
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A predicted structural interactome reveals binding interference from intrinsically disordered regions

Junhui Peng1, Li Zhao1

  • 1Laboratory of Evolutionary Genetics and Genomics, The Rockefeller University, New York, New York, United States of America.

PLoS computational biology
|January 22, 2026
PubMed
まとめ
この要約は機械生成です。

This study predicts Drosophila protein-protein interactions using AlphaFold2, finding that functional data and intrinsically disordered regions are key for accurate modeling. An interactive web tool is available for further research.

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Analysis of AtHIRD11 Intrinsic Disorder and Binding Towards Metal Ions by Capillary Gel Electrophoresis and Affinity Capillary Electrophoresis
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Analysis of AtHIRD11 Intrinsic Disorder and Binding Towards Metal Ions by Capillary Gel Electrophoresis and Affinity Capillary Electrophoresis

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Paramagnetic Relaxation Enhancement for Detecting and Characterizing Self-Associations of Intrinsically Disordered Proteins
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Analysis of AtHIRD11 Intrinsic Disorder and Binding Towards Metal Ions by Capillary Gel Electrophoresis and Affinity Capillary Electrophoresis
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Paramagnetic Relaxation Enhancement for Detecting and Characterizing Self-Associations of Intrinsically Disordered Proteins
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科学分野:

  • 構造生物学
  • 計算生物学
  • ゲノミクス

背景:

  • タンパク質間相互作用(PPI)は、複雑なネットワークを形成し、細胞機能に不可欠です。
  • ハイスループット法はPPIの理解を促進しますが、特にショウジョウバエのような非哺乳類種における分子詳細は十分に特徴付けられていません。
  • 深層学習の進歩により、細胞経路における分子詳細のネットワークレベルでの予測が可能になります。

研究 の 目的:

  • AlphaFold2マルチマーを使用してショウジョウバエのタンパク質間相互作用を予測および調査すること。
  • 物理的および機能的データセットの予測精度への寄与を評価すること。
  • 高信頼性のPPI予測における本質的に無秩序な領域の役割を調査すること。

主な方法:

  • ショウジョウバエにおけるタンパク質間相互作用の予測にAlphaFold2マルチマーを利用しました。
  • 物理的および機能的相互作用データセットの両方を統合しました。
  • 本質的に無秩序な領域に焦点を当て、予測された複合体の詳細な構造解析を実行しました。

主要な成果:

  • 機能的関連性が、予測されたタンパク質間相互作用の信頼性を大幅に向上させました。
  • 高信頼性の予測相互作用において、本質的に無秩序な領域が重要であることが特定されました。
  • 予測されたショウジョウバエの相互作用を可視化および探索するためのインタラクティブなWebインターフェイスが開発されました。

結論:

  • 機能的相互作用データを組み込むことで、物理的なタンパク質間相互作用の予測精度が向上します。
  • 本質的に無秩序な領域は、タンパク質間相互作用を媒介する上で重要な役割を果たします。
  • 開発されたWebインターフェイスは、ショウジョウバエのタンパク質相互作用に関するさらなる研究と仮説生成を促進します。