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相关概念视频

Protein Folding01:22

Protein Folding

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Overview
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Molecular Chaperones and Protein Folding03:00

Molecular Chaperones and Protein Folding

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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...
18.5K
Protein Folding Quality Check in the RER01:29

Protein Folding Quality Check in the RER

3.8K
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...
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Accurate site-specific folding via conditional diffusion based on AlphaFold3.

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相关实验视频

Updated: Sep 15, 2025

Assessment of Immunologically Relevant Dynamic Tertiary Structural Features of the HIV-1 V3 Loop Crown R2 Sequence by ab initio Folding
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Assessment of Immunologically Relevant Dynamic Tertiary Structural Features of the HIV-1 V3 Loop Crown R2 Sequence by ab initio Folding

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通过基于Alphafold3的条件扩散精确的特定位置折叠.

Haocheng Tang1, Junmei Wang1,2

  • 1School of Pharmacy, University of Pittsburgh, 3501 Terrace St, Pittsburgh, 15213, Pennsylvania, U.S..

bioRxiv : the preprint server for biology
|July 17, 2025
PubMed
概括
此摘要是机器生成的。

SiteAF3通过改进AlphaFold3的扩散过程以提高特定位置的准确性来增强生物分子复杂结构预测. 这种新的方法提供了更好的相互作用建模,特别是在具有挑战性的目标,如孤儿蛋白质.

关键词:
在Alphafold3中使用.生物分子是生物分子.深度学习 (Deep Learning) 是一种深度学习.扩散扩散是一种扩散.停靠对接 停靠对接网站AF3AF3 的位置.

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Microfluidic Mixers for Studying Protein Folding
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Microfluidic Mixers for Studying Protein Folding

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Optical Tweezers to Study RNA-Protein Interactions in Translation Regulation
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Optical Tweezers to Study RNA-Protein Interactions in Translation Regulation

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相关实验视频

Last Updated: Sep 15, 2025

Assessment of Immunologically Relevant Dynamic Tertiary Structural Features of the HIV-1 V3 Loop Crown R2 Sequence by ab initio Folding
10:50

Assessment of Immunologically Relevant Dynamic Tertiary Structural Features of the HIV-1 V3 Loop Crown R2 Sequence by ab initio Folding

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Microfluidic Mixers for Studying Protein Folding
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Microfluidic Mixers for Studying Protein Folding

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Optical Tweezers to Study RNA-Protein Interactions in Translation Regulation
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科学领域:

  • 计算生物学 计算生物学
  • 结构生物学 结构生物学
  • 药物发现 药物发现 药物发现

背景情况:

  • 准确预测生物分子复杂结构对于生物学理解和药物开发至关重要.
  • 像AlphaFold3这样的现有工具显示了进步,但需要改进以获得特定站点的准确性.
  • 在复合体内的特定结合位点对相互作用的建模仍然存在挑战.

研究的目的:

  • 引入SiteAF3,一种用于准确地址特定折叠生物分子复合物的新方法.
  • 通过改进其扩散过程以提高精度来增强AlphaFold3框架.
  • 为更准确的生物分子相互作用建模提供一个用户友好的插件.

主要方法:

  • SiteAF3使用基于AlphaFold3框架构建的条件扩散.
  • 该方法通过固定受体结构来改进扩散过程.
  • 使用可选的结合绑定口袋和热点残留信息.

主要成果:

  • 与AlphaFold3相比,SiteAF3在各种数据集 (蛋白质小分子,蛋白质,蛋白质核酸) 中表现出优越的性能.
  • 该方法在复杂结构预测中实现了更高的准确性,特别是对于孤儿蛋白和全联体.
  • 在保持高精度的同时,SiteAF3提供了降低的计算成本.

结论:

  • SiteAF3在特定位置的生物分子复杂结构预测方面取得了重大进展.
  • 该插件与AlphaFold3兼容,为研究人员提供了有价值的工具.
  • 这种方法可以更准确地建模关键的生物分子相互作用.