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相关概念视频

Protein Networks02:26

Protein Networks

4.1K
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,...
4.1K
Genome Annotation and Assembly03:36

Genome Annotation and Assembly

19.3K
The genome refers to all of the genetic material in an organism. It can range from a few million base pairs in microbial cells to several billion base pairs in many eukaryotic organisms. Genome assembly refers to the process of taking the DNA sequencing data and putting it all back together in a correct order to create a close representation of the original genome. This is followed by the identification of functional elements on the newly assembled genome, a process called genome annotation.
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Protein-protein Interfaces02:04

Protein-protein Interfaces

13.4K
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...
13.4K
Protein Organization01:24

Protein Organization

7.2K
Proteins are polymers of amino acid residues. They are versatile and responsible for different cellular functions, including DNA replication, molecular transport, catalysis, and structural support. Proteins have a hierarchical structure comprising at least three levels of organization: primary, secondary, and tertiary structure. Some large proteins have a quaternary structure where individual protein subunits are linked together.
The primary structure of a protein is its amino acid sequence....
7.2K
Conservation of Protein Domains Over Different Proteins02:26

Conservation of Protein Domains Over Different Proteins

11.4K
Protein domains are small structurally independent units that are part of a single amino acid chain.  Although these domains are often structurally independent, they may rely on synergistic effects to perform their functions as part of a larger protein. Protein domains may be conserved within the same organism, as well as across different organisms.
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to...
11.4K
Protein Families02:47

Protein Families

15.8K
Protein families are groups of homologous proteins; that is, they have similarities in amino acid sequences and three-dimensional structures. Protein families usually occur because of gene duplication, where an additional copy of a gene is inserted into the genome of an organism.   Mutations that change the amino acids but still allow the protein to be properly synthesized, will lead to new protein family members.   If these new proteins contain similar amino acids in key...
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相关实验视频

Updated: Sep 15, 2025

A Knowledge Graph Approach to Elucidate the Role of Organellar Pathways in Disease via Biomedical Reports
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A Knowledge Graph Approach to Elucidate the Role of Organellar Pathways in Disease via Biomedical Reports

Published on: October 13, 2023

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GOAnnotator:使用自动检索的文献进行准确的蛋白质功能注释.

Huiying Yan1, Hancheng Liu1, Shaojun Wang1

  • 1Institute of Science and Technology for Brain-Inspired Intelligence and MOE Frontiers Center for Brain Science, Fudan University, Shanghai 200433, China.

Bioinformatics (Oxford, England)
|July 15, 2025
PubMed
概括
此摘要是机器生成的。

GOAnnotator通过检索相关文献和识别基因本体学 (GO) 术语来自动化蛋白质功能注释. 这种新的框架可以提高蛋白质功能的预测,而无需手动修复.

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A Protocol for Computer-Based Protein Structure and Function Prediction
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A Fast and Quantitative Method for Post-translational Modification and Variant Enabled Mapping of Peptides to Genomes
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A Fast and Quantitative Method for Post-translational Modification and Variant Enabled Mapping of Peptides to Genomes

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相关实验视频

Last Updated: Sep 15, 2025

A Knowledge Graph Approach to Elucidate the Role of Organellar Pathways in Disease via Biomedical Reports
07:35

A Knowledge Graph Approach to Elucidate the Role of Organellar Pathways in Disease via Biomedical Reports

Published on: October 13, 2023

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A Protocol for Computer-Based Protein Structure and Function Prediction
16:41

A Protocol for Computer-Based Protein Structure and Function Prediction

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A Fast and Quantitative Method for Post-translational Modification and Variant Enabled Mapping of Peptides to Genomes
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科学领域:

  • 生物信息学是一种生物信息学.
  • 计算生物学 计算生物学
  • 基因组学就是基因组学.

背景情况:

  • 自动蛋白功能预测 (AFP) 对于生物研究至关重要.
  • 目前的方法,如GORetriever,依赖于昂贵的手动文献策划.
  • 现有的方法涵盖了有限数量的蛋白质.

研究的目的:

  • 推出GOAnnotator,这是一个用于自动化蛋白质功能注释的新框架.
  • 为了克服现有的AFP方法的局限性,依赖于手动修复.
  • 为了提高蛋白质功能注释的效率和范围.

主要方法:

  • GOAnnotator集成了PubRetriever用于文献检索和重新排名.
  • 它使用GORetriever+从检索文本中识别基因本体学 (GO) 术语.
  • 该框架采用混合方法,结合文献检索和术语识别.

主要成果:

  • GOAnnotator在实验中展示了高质量的功能注释.
  • 它在现实的场景中表现优于现有的GORetriever方法.
  • 该框架成功地发现了独特的文献,并预测了额外的蛋白质功能.

结论:

  • GOAnnotator显著增强了自动化蛋白质功能注释.
  • 它减少了对耗时的手动文献策划的依赖.
  • 该框架有可能简化和扩大蛋白质功能注释的努力.