基于结构的姿势预测:非同源对接扩展到宏循环连接体
Ann E Cleves1, Himani Tandon2, Ajay N Jain3
1BioPharmics Division, Optibrium Limited, Cambridge, CB25 9PB, UK.
Journal of computer-aided molecular design
|October 16, 2024
概括
交叉对接可以预测新型联结体姿势,这在药物发现中是一项艰巨的任务. 更新的基准测试表明,Surflex-Dock和ForceGen方法在非宏循环和宏循环配体上都能达到很高的准确性.
科学领域:
- 计算化学是一种计算化学.
- 结构生物学是结构生物学.
- 药物发现 药物发现
背景情况:
- 交叉对接预测了新型分子的连接体结合姿势,与已知的相关连接体不同.
- 准确的预测对于识别新药候选人至关重要,但对于结构不同的配体来说具有挑战性.
- 之前开发的PINC (PINC Is Not Cognate) 基准是使用时间分离来评估交叉对接性能.
研究的目的:
- 更新和扩展用于评估交叉对接性能的PINC基准.
- 通过使用非宏循环联体的知识来评估宏循环联体的预测准确性.
- 为了比较Surflex-Dock和ForceGen与其他对接方法的性能.
主要方法:
- 通过使用早期X射线共晶结构,PINC基准被扩展为10个目标的846个未来连接体.
- 引入了128个宏循环配体的13个目标,预测基于非宏循环配体结构的姿势.
- 使用了Surflex-Dock和ForceGen的标准自动化协议.
主要成果:
- 对于时间分割的非宏循环和宏循环预测集,性能是可比的.
- 对于合并的974个配体,Surflex-Dock和ForceGen在得分最高的姿势家族中取得了68%的成功,在前两名中达到79%的成功.
- 正确的姿势被识别了92%的时间,显著优于AutoDock Vina和Gnina.
结论:
- 更新的PINC基准提供了对交叉对接性能的可靠评估.
- Surflex-Dock和ForceGen在预测各种联体的边界姿势方面表现出高准确性,包括具有挑战性的宏循环.
- 这些方法为基于结构的药物发现和虚拟查努力提供了重大进展.
关键词:
在AutoDock中使用AutoDock.停靠的对接方式力量 力量 力量 力量格尼娜·尼娜娜 在宏观循环是一个宏观循环.冲浪式码头 - 冲浪式码头维娜·维纳 (Vina Vina) 是一个名字.xGenGen 在线观看更多相关视频
10:21Author Spotlight: Streamlining Protein Target Prediction and Validation via Molecular Docking and CETSA
Published on: February 23, 2024
2.4K
10:29Quantitative Structure-Activity Relationship, Activity Prediction, and Molecular Dynamics of Non-nucleotide Reverse Transcriptase Inhibitors
Published on: May 9, 2025
440
相关概念视频
Ligand Binding Sites
12.8K
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...
12.8K
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 and Linkage
4.8K
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...
4.8K
The Equilibrium Binding Constant and Binding Strength
12.8K
The equilibrium binding constant (Kb) quantifies the strength of a protein-ligand interaction. Kb can be calculated as follows when the reaction is at equilibrium:
12.8K
Cooperative Allosteric Transitions
2.3K
2.3K
Conformations of Cyclohexane
12.2K
Cyclohexane does not exist in a planar form due to the high angle and torsional strain it would experience in the planar structure. Instead, it adopts non-planar chair and boat conformations.
The chair form is the most stable and derives its name from its resemblance to the “easy chair.” In the chair conformation, two carbon atoms are arranged out-of-plane — one above and one below, minimizing the torsional strain. In the chair form, the bond angle is very close to the ideal...
The chair form is the most stable and derives its name from its resemblance to the “easy chair.” In the chair conformation, two carbon atoms are arranged out-of-plane — one above and one below, minimizing the torsional strain. In the chair form, the bond angle is very close to the ideal...
12.2K
