分子表面描述器用于预测抗体开发能力:对参数的敏感性,结构模型和 conformational 采样
1Pharmaceutical Development, Genentech Inc, South San Francisco, CA, USA.
mAbs
|June 10, 2024
概括
这项研究引入了新的分子表面描述器,用于预测抗体在中的可开发性. 这些描述符提高了结构模型的一致性,帮助早期的抗体药物发现.
科学领域:
- 生物化学和生物物理学
- 计算化学的计算化学
- 药物发现 药物发现 药物发现
背景情况:
- *对抗体开发能力的in silico评估对于有效的领先候选人选择至关重要.
- * 预测准确性依赖于分子描述符,模型参数,结构准确性和 conformational 采样.
- *目前的方法在可重现性和预测能力方面面临挑战.
研究的目的:
- * 开发和验证用于预测抗体开发能力的新型分子表面描述剂.
- * 评估方法选择对描述符性能的影响.
- * 提出和评估in silico可开发性风险标志.
主要方法:
- * 针对抗体开发能力的特定分子表面描述物的设计.
- * 基准测试描述器与实验生物物理性质 (粘度,聚合等) 的相关性. ) 的情况.
- * 对方法变化的敏感性进行调查 (介电常数,疏水性尺度,结构预测,构造性采样).
主要成果:
- * 基于结构预测方法观察到的表面描述物的系统变化.
- *对分子动力学模拟的平均值减轻了变化,并改善了跨方法的一致性.
- *与生物物理数据的相关性有不一致的改善,尽管一致性提高.
结论:
- * 根据基准分析提出了六个in silico可开发性风险标志.
- * 评估了这些标志在预测可开发性问题的有效性.
- *强调了构造性采样和方法选择对于可靠的in silico可开发性评估的重要性.
相关概念视频
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Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced by B cells and make up 20 percent of the total blood plasma by weight. In mammals, antibodies fall into five different classes, which each elicits a different biological response upon antigen binding.
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