预测蛋白质 - 配体复合体结构的模板引导方法:适用于CASP15蛋白质 - 配体研究
Xianjin Xu1,2,3,4, Rui Duan1,2,3,4, Xiaoqin Zou1,2,3,4
1Dalton Cardiovascular Research Center, University of Missouri, Columbia, Missouri, USA.
Proteins
|June 7, 2023
概括
一种新的模板导向方法在结构预测的临界评估15 (CASP15) 中在蛋白质连接体结构预测中获得了第二名,进步了药物发现工具.
科学领域:
- 计算生物学是一种计算生物学.
- 结构生物学是结构生物学.
- 药物发现 药物发现
背景情况:
- 蛋白质-配体建模对于药物发现至关重要.
- 结构预测15的批判性评估 (CASP15) 引入了连接体预测,以刺激方法的发展.
研究的目的:
- 评估一种用于预测蛋白质 - 配体复合结构的新型模板引导方法.
- 评估该方法在CASP15连接体预测类别中的性能.
主要方法:
- 一种模板导向的方法,结合了物理化学分子对接和基于生物信息学的配体相似性.
- 使用蛋白质数据库中的同类或类似折叠蛋白质结构作为模板.
- 采用模板中的共结联体结合模式来指导目标复杂结构预测.
主要成果:
- 在考虑最高预测模型时,该方法在CASP15蛋白质-连接体预测类别中排名第二.
- 该方法在使用模板信息指导复杂结构预测方面表现出有效性.
结论:
- 模板导向方法在蛋白质-连接体复杂结构预测方面表现强.
- 仍然存在挑战,包括处理蛋白质构造变化,大/灵活的配体和结合口袋中的多个配体.
更多相关视频
相关概念视频
Conserved Binding Sites
4.2K
Many proteins’ biological role depends on their interactions with their ligands, small molecules that bind to specific locations on the protein known as ligand-binding sites. Ligand-binding sites are often conserved among homologous proteins as these sites are critical for protein function.
Binding sites are often located in large pockets, and if their location on a protein’s surface is unknown, it can be predicted using various approaches. The energetic method computationally...
Binding sites are often located in large pockets, and if their location on a protein’s surface is unknown, it can be predicted using various approaches. The energetic method computationally...
4.2K
Ligand Binding Sites
12.9K
Proteins are dynamic macromolecules that carry out a wide variety of essential processes; however, the activities of most proteins depend on their interactions with other molecules or ions, known as ligands.
Protein-ligand interactions are quite specific; even though numerous potential ligands surround a cellular protein at any given time, only a particular ligand can bind to that protein. Moreover, a ligand binds only to a dedicated area on the surface of the protein, known as the...
Protein-ligand interactions are quite specific; even though numerous potential ligands surround a cellular protein at any given time, only a particular ligand can bind to that protein. Moreover, a ligand binds only to a dedicated area on the surface of the protein, known as the...
12.9K
Protein Organization
6.6K
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....
The primary structure of a protein is its amino acid sequence....
6.6K
Protein-protein Interfaces
12.6K
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...
12.6K


