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Protein Folding01:22

Protein Folding

Overview
Protein Folding01:22

Protein Folding

Overview
Molecular Chaperones and Protein Folding03:00

Molecular Chaperones and Protein Folding

The native conformation of a protein is formed by interactions between the side chains of its constituent amino acids. When the amino acids cannot form these interactions, the protein cannot fold by itself and needs chaperones. Notably, chaperones do not relay any additional information required for the folding of polypeptides; the native conformation of a protein is determined solely by its amino acid sequence. Chaperones catalyze protein folding without being a part of the folded protein.
The...
Protein Folding Quality Check in the RER01:29

Protein Folding Quality Check in the RER

ER is the primary site for the maturation and folding of soluble and transmembrane secretory proteins. The calnexin cycle is a specific chaperone system that folds and assesses the confirmation of N-glycosylated proteins before they can exit the ER lumen. The primary players of this quality check pipeline are the lectins, ER-resident chaperones, and a glucosyl transferase enzyme. In case the calnexin system in the lumen fails to salvage a misfolded protein, it is transported to the cytoplasm...
Protein Folding01:25

Protein Folding

Proteins are chains of amino acids linked together by peptide bonds. Upon synthesis, a protein folds into a three-dimensional conformation, critical to its biological function. Interactions between its constituent amino acids guide protein folding, and hence the protein structure is primarily dependent on its amino acid sequence.
Protein Structure Is Critical to Its Biological Function
Proteins perform a wide range of biological functions such as catalyzing chemical reactions, providing...
Molecular Chaperones and Protein Folding03:00

Molecular Chaperones and Protein Folding

The native conformation of a protein is formed by interactions between the side chains of its constituent amino acids. When the amino acids cannot form these interactions, the protein cannot fold by itself and needs chaperones. Notably, chaperones do not relay any additional information required for the folding of polypeptides; the native conformation of a protein is determined solely by its amino acid sequence. Chaperones catalyze protein folding without being a part of the folded protein.
The...

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関連する実験動画

Updated: Jul 6, 2026

Thermodynamics of Membrane Protein Folding Measured by Fluorescence Spectroscopy
10:09

Thermodynamics of Membrane Protein Folding Measured by Fluorescence Spectroscopy

Published on: April 28, 2011

膜タンパク質の折り畳み問題を解く

James U Bowie1

  • 1Department of Chemistry and Biochemistry, UCLA-DOE Center for Genomics and Proteomics, Molecular Biology Institute, Boyer Hall, UCLA, 611 Charles E. Young Drive E, Los Angeles, California 90095-1570, USA. bowie@mbi.ucla.edu

Nature
|December 2, 2005
PubMed
まとめ
この要約は機械生成です。

タンパク質の折り畳みを理解することは大きな課題です. 膜タンパク質構造の決定における最近の進歩は,タンパク質の折り畳み問題を解決するための楽観的見通しを提供します.

さらに関連する動画

Microfluidic Mixers for Studying Protein Folding
12:42

Microfluidic Mixers for Studying Protein Folding

Published on: April 10, 2012

Unraveling Entropic Rate Acceleration Induced by Solvent Dynamics in Membrane Enzymes
09:42

Unraveling Entropic Rate Acceleration Induced by Solvent Dynamics in Membrane Enzymes

Published on: January 16, 2016

関連する実験動画

Last Updated: Jul 6, 2026

Thermodynamics of Membrane Protein Folding Measured by Fluorescence Spectroscopy
10:09

Thermodynamics of Membrane Protein Folding Measured by Fluorescence Spectroscopy

Published on: April 28, 2011

Microfluidic Mixers for Studying Protein Folding
12:42

Microfluidic Mixers for Studying Protein Folding

Published on: April 10, 2012

Unraveling Entropic Rate Acceleration Induced by Solvent Dynamics in Membrane Enzymes
09:42

Unraveling Entropic Rate Acceleration Induced by Solvent Dynamics in Membrane Enzymes

Published on: January 16, 2016

科学分野:

  • 分子生物学は分子生物学である.
  • 構造生物学 構造生物学とは
  • バイオケミストリー バイオケミストリー

背景:

  • タンパク質の配列構造関係の決定は,分子生物学における根本的な課題である.
  • 歴史的に,膜タンパク質の構造は十分に理解されていなかったため,研究が妨げられました.
  • 現在,90以上のユニークな膜タンパク質構造が知られているため,著しい進歩が遂げられました.

研究 の 目的:

  • 膜タンパク質構造の理解における進歩を強調する.
  • タンパク質の折り畳み問題を解くための新しい構造データの影響を議論する.
  • 膜タンパク質の折りたたみに関する将来の解決策に関して楽観的であることを伝えるために.

主な方法:

  • 膜タンパク質構造に関する既存の文献のレビュー.
  • 構造的決定技術における進歩の分析.
  • 構造データの統合とタンパク質の折り畳みの理論モデル.

主要な成果:

  • 90以上のユニークな膜タンパク質構造が解明されています.
  • 膜タンパク質の"構造宇宙"の理解が深まった.
  • タンパク質の折り畳み決定に関する定量的な洞察が浮上しています.

結論:

  • 既知の膜タンパク質構造の成長体は極めて重要です.
  • タンパク質の折り畳みを理解する進歩は加速しています.
  • 膜タンパク質の折り畳み問題への解決策は,ますます実現可能になっています.