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相关概念视频

Protein Networks02:26

Protein Networks

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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-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 Complexes with Interchangeable Parts01:57

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Groups of proteins may form a complex where each protein in this complex has a different role in the overall execution of the complex’s function. Often some of the proteins in the complex can be replaced by a closely related variant to give a complex that contains many of the same components yet is functionally distinct.
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Molecular Models02:00

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Physical models representing molecular architectures of chemical compounds play essential roles in understanding chemistry. The use of molecular models makes it easier to visualize the structures and shapes of atoms and molecules.
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Ligand Binding and Linkage00:49

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Allosteric proteins have more than one ligand binding site; the binding of a ligand to any of these sites influences the binding of ligands to the other sites. When a protein is allosteric, its binding sites are called coupled or linked.  In the case of enzymes, the site that binds to the substrate is known as the active site and the other site is known as the regulatory site. When a ligand binds to the regulatory site, this leads to conformational changes in the protein that can influence...
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Synthetic Biology02:55

Synthetic Biology

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Synthetic biology is an interdisciplinary science that involves using principles from disciplines such as engineering, molecular biology, cell biology, and systems biology. It involves remodeling existing organisms from nature or constructing completely new synthetic organisms for applications such as protein or enzyme production, bioremediation, value-added macromolecule production, and the addition of desirable traits to crops, to name a few.
Golden rice
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Label-Free Immunoprecipitation Mass Spectrometry Workflow for Large-scale Nuclear Interactome Profiling
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GINv2.0:一个全面的拓网络,集成来自多个知识库的分子相互作用.

Xiao Chang1, Shen Yan2, Yizheng Zhang3,4

  • 1Department of Dermatology and Venereal Disease, Xuan Wu Hospital, Beijing, 100053, China.

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概括

全球整合网络 (GIN) 版本2.0集成了来自十个数据库的人类分子相互作用,为系统生物学研究创造了一个统一的资源. 这种增强的网络揭示了糖解和自的协调调节,特别是在葡萄糖饥饿的情况下.

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科学领域:

  • 系统生物学 系统生物学
  • 生物信息学是一种生物信息学.
  • 分子网络 分子网络.

背景情况:

  • 生物学知识库对于研究中的途径分析和数据可视化至关重要.
  • 将来自多个来源的多种分子相互作用数据集成到统一的网络中是具有挑战性的,因为数据的复杂性和各种格式.
  • 之前的努力,如全球整合网络 (GIN),由于依赖单一数据源 (KEGG),而受到限制.

研究的目的:

  • 通过整合来自十个不同的知识库的人类分子相互作用数据来开发全球整合网络 (GINv2.0) 的改进版本.
  • 为全面的网络集成标准化数据结构和标识符.
  • 使用统一网络分析生物过程和监管机制.

主要方法:

  • 包含了来自十个知识库 (例如,KEGG,Reactome,HumanCyc) 的人类分子相互作用数据.
  • 标准化数据结构,基因标识和化学标识在所有合并数据库中.
  • 在整合到GINv2.0.0之前,在十个知识库之间进行了一致性分析.

主要成果:

  • 成功地将来自十个不同的人类知识库的分子相互作用数据集成到GINv2.0.0中.
  • GINv2.0允许对生物通路进行全面的系统级分析.
  • 使用GINv2.0的分析揭示了糖解和自之间的协调调节,特别是在葡萄糖饥饿条件下.

结论:

  • GINv2.0在创建人类分子相互作用数据的统一资源方面取得了重大进展.
  • GINv2.0的扩展范围和增强功能为系统生物学研究提供了有价值的工具.
  • 这些发现突出了在特定营养条件下的关键代谢和细胞过程之间的协调调节机制.