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相关概念视频

Protein Folding01:25

Protein Folding

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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...
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Protein Complex Assembly02:41

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Proteins can form homomeric complexes with another unit of the same protein or heteromeric complexes with different types.  Most protein complexes self-assemble spontaneously via ordered pathways, while some proteins need assembly factors that guide their proper assembly. Despite the crowded intracellular environment, proteins usually interact with their correct partners and form functional complexes.
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相关实验视频

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Formation of Ordered Biomolecular Structures by the Self-assembly of Short Peptides
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Formation of Ordered Biomolecular Structures by the Self-assembly of Short Peptides

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通过顺序和图形编码有效预测的自我组装.

Zihan Liu1,2, Jiaqi Wang3,4, Yun Luo1,4

  • 1College of Computer Science and Technology, Zhejiang University, Hangzhou 310058, China.

Briefings in bioinformatics
|November 17, 2023
PubMed
概括

深度学习模型可以预测的自我组装. 这项研究对的编码方法进行了基准测试,发现Transformer对于基于序列的预测最有效,提高了decapeptides的准确性.

关键词:
聚合倾向的聚合倾向粗粒度分子动力学的粗粒度分子动力学计算生物学是计算生物学.深度学习是一种深度学习.图形编码的图形编码.自组装的自组合.编码序列编码的序列编码

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科学领域:

  • 计算化学和生物信息学
  • 人工智能在药物发现中的作用
  • 酸科学是一种科学.

背景情况:

  • 由于治疗和商业潜力,类研究正在迅速扩大.
  • 深度学习模型需要强大的代码来准确地预测属性.
  • 分子动力学模拟产生大型数据集用于训练人工智能模型.

研究的目的:

  • 系统地分析不同编码策略对深度学习模型性能的影响.
  • 为了对先进的序列和结构深度学习模型进行基准测试,以预测的自我组装.
  • 为在人工智能驱动的类研究中选择最佳体表征提供指导.

主要方法:

  • 使用粗粒度分子动力学生成了一大数据集 (> 62,000 个样本) 的自组合.
  • 采用了先进的深度学习模型:顺序 (RNN,LSTM,变压器) 和结构 (GCN,GAT,GraphSAGE).
  • 评估了使用氨基酸序列和分子图表作为输入的编码方法.

主要成果:

  • 变压器在序列编码模型中表现出优异的性能,用于类自我组装预测.
  • 这项研究成功地预测了decapeptides的自我组装特性.
  • 基准测试显示,基于编码技术的模型准确性存在显著差异.

结论:

  • 酸编码对于提高深度学习预测准确度在酸科学中至关重要.
  • 变压器是最有效的基于序列的深度学习模型来预测的自我组装.
  • 这项工作是各种性质预测的指南,包括同电点和无水化能量.