PheSA:一个开源工具,用于用药剂增强的形状对齐
1Scientific Computing Drug Discovery, Idorsia Pharmaceuticals Ltd, Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland.
Journal of chemical information and modeling
|August 2, 2024
概括
开源药物设计工具PheSA为基于结构的药物设计提供了灵活的选和调整. 使用Tversky相似度指标可以提高选丰富度,与商业方法性能相匹配.
科学领域:
- 计算化学是一种计算化学.
- 化学信息学 化学信息学
- 发现药物的发现.
背景情况:
- 基于结构的药物设计 (SBDD) 依赖于用于选和分子对齐的计算工具.
- 现有的工具在识别潜在的候选药物时可能缺乏灵活性或最佳性能.
- 开源解决方案对于该领域的可访问性和进一步发展至关重要.
研究的目的:
- 介绍PheSA,一个开源的药和基于形状的选和分子对齐工具.
- 评估PheSA在基于联体的选,对齐精细化和受体引导的形状对接方面的表现.
- 调查不同相似度指标对选丰富的影响.
主要方法:
- 在OpenChemLib框架内开发PheSA算法.
- 实施标准的基于连接体的选和灵活的对齐精细化.
- 整合受体引导的形状对接功能.
- 使用像DUD-E这样的数据集进行基准研究,以评估查丰富度并提出预测.
主要成果:
- 对于各种SBDD使用情况,PheSA表现出高度灵活性.
- 使用不对称的Tversky相似度指标与对称的Tanimoto相比,显著提高了选丰富率.
- PheSA在DUD-E基准上实现了与商业方法相比的选丰富性能.
- 受体引导算法显示了有效的姿势预测能力.
结论:
- PheSA 是一个强大的,多功能的开源工具,用于基于结构的药物设计.
- 托弗斯基度量为优化基于药的方法中的查丰富提供了一个优势.
- PheSA为药物发现查提供了商业软件的竞争性开源替代方案.
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