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関連する概念動画

Protein Networks02:26

Protein Networks

4.4K
An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
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Protein Networks02:26

Protein Networks

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Protein-protein Interfaces02:04

Protein-protein Interfaces

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Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a...
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Protein-Protein Interfaces02:04

Protein-Protein Interfaces

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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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Proteomics01:33

Proteomics

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A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term...
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Sample Preparation for Mass Spectrometry-based Identification of RNA-binding Regions
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MsipNet:タンパク質-RNA相互作用予測のためのマルチスケール表現学習フレームワーク

Nan Song1, Zhijin Li2, Yang Deng3

  • 1College of Artificial Intelligence, Nanjing Agricultural University, No. 666 Binjiang Avenue, Nanjing, Jiangsu 211800, China; Center for Data Science and Intelligent Computing, Nanjing Agricultural University, No. 666 Binjiang Avenue, Nanjing, Jiangsu 211800, China.

International journal of biological macromolecules
|December 25, 2025
PubMed
まとめ
この要約は機械生成です。

MsipNetは、配列と構造データを統合することにより、タンパク質-RNA相互作用(PRI)を正確に予測する新しいフレームワークです。このツールは、遺伝子調節および疾患メカニズムの理解を深めます。

キーワード:
畳み込みモチーフタンパク質-RNA相互作用RNA構造

さらに関連する動画

Author Spotlight: A Computational Approach to Decipher Amino Acid Preferences in Multispecific Protein-Protein Interactions
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iCLIP - Transcriptome-wide Mapping of Protein-RNA Interactions with Individual Nucleotide Resolution
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iCLIP - Transcriptome-wide Mapping of Protein-RNA Interactions with Individual Nucleotide Resolution

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関連する実験動画

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Sample Preparation for Mass Spectrometry-based Identification of RNA-binding Regions
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Author Spotlight: A Computational Approach to Decipher Amino Acid Preferences in Multispecific Protein-Protein Interactions
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iCLIP - Transcriptome-wide Mapping of Protein-RNA Interactions with Individual Nucleotide Resolution
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科学分野:

  • 分子生物学
  • バイオインフォマティクス
  • 計算生物学

背景:

  • タンパク質-RNA相互作用(PRI)は、RNAスプライシング、安定性、翻訳に影響を与える転写後遺伝子調節にとって非常に重要です。
  • PRIを理解することは、変異に関連する遺伝子調節ネットワークと疾患メカニズムを解明するために不可欠です。
  • 正確なPRI同定は、基礎研究と生物医学的応用を橋渡しします。

研究 の 目的:

  • タンパク質-RNA相互作用を予測するための高度な計算フレームワークを開発すること。
  • マルチモーダル学習戦略を使用してPRI予測の精度と効率を向上させること。
  • 機能的変異を優先し、メカニズム研究を進めるための堅牢なツールを提供すること。

主な方法:

  • マルチスケール表現学習フレームワークであるMsipNetを導入しました。
  • グローバルおよびローカルのRNA配列特徴と構造情報を統合しました。
  • 長期短期記憶(LSTM)ネットワークとU字型畳み込み-拡張畳み込み(UCDC)モジュールを組み合わせたハイブリッドアーキテクチャを採用しました。

主要な成果:

  • MsipNetは、6つの細胞株からの42のRNA結合タンパク質(RBP)において、8つの最先端の方法を上回りました。
  • 結合親和性と生物学的に検証された結合モチーフの特定における優れたパフォーマンスを実証しました。
  • 高い計算効率を維持しながら、未知のデータに対する強力な一般化能力を示しました。

結論:

  • MsipNetは、PRI予測のための堅牢で解釈可能なツールです。
  • このフレームワークは、メカニズム研究および機能的変異の優先を含む生物医学的応用に広範な可能性を秘めています。
  • MsipNetは、遺伝子調節と疾患を理解するための計算生物学の分野を進歩させます。