基于分子指纹的基于结构的机器学习方法预测FFAR4激活剂
Zaid Anis Sherwani1, Syeda Sumayya Tariq1, Mamona Mushtaq1
1Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan.
Scientific reports
|April 24, 2024
概括
机器学习确定了两个化合物,CHEMBL2012662和CHEMBL64616,作为自由脂肪酸受体4 (FFAR4) 的潜在激动剂. 这些化合物显示出治疗代谢和免疫相关疾病的前景.
科学领域:
- 药理学 药理学是指药理学的学科.
- 计算化学计算化学
- 生物物理学的生物物理.
背景情况:
- 自由脂肪酸受体4 (FFAR4) 是一种与G蛋白结合的受体,参与调节生理过程.
- FFAR4激动剂可以增强胰岛素的释放,降低代谢疾病的风险.
研究的目的:
- 通过基于分子结构的机器学习来识别新的FFAR4激动剂.
- 通过分子对接,ADME/毒性预测和分子动力学模拟来验证潜在的激动剂.
主要方法:
- 机器学习 (贝叶斯网络) 用于分子指纹进行初始查.
- 分子对接和ADME/毒性预测用于击中验证.
- 100 ns的FFAR4-连接体复合体的分子动力学 (MD) 模拟.
主要成果:
- 机器学习发现了有前途的候选化合物.
- MD模拟显示稳定的FFAR4-联结体复合物,在关键残留物中具有显著的相互作用.
- 分析表明紧的结构 (RMSD3.57-3.64 nm,波动5.27-6.03 nm) 和热力学稳定性.
结论:
- 两个化合物CHEMBL2012662和CHEMBL64616被确定为潜在的FFAR4激动剂.
- 这些化合物需要进一步研究用于代谢和免疫障碍的治疗应用.
相关概念视频
Structure-Activity Relationships and Drug Design
708
Drug design is a dynamic field that involves discovering and developing new medications based on specific biological targets. This process heavily relies on structure-activity relationships (SAR) and quantitative structure-activity relationships (QSAR) to guide the design and optimization of efficient drugs.
SAR studies the intricate relationship between a drug's chemical structure and biological activity. It focuses on understanding how modifications to a drug's structure can influence...
SAR studies the intricate relationship between a drug's chemical structure and biological activity. It focuses on understanding how modifications to a drug's structure can influence...
708
Adrenergic Agonists: Chemistry and Structure-Activity Relationship
3.0K
Adrenergic agonists' structure-activity relationship (SAR) determines their selectivity and efficacy. These agonists comprise a phenylethylamine moiety with an aromatic ring and an ethylamine side chain.
Aromatic ring substitutions: Substituting the aromatic ring with –OH groups at positions 3 and 4 yields catecholamines (e.g., epinephrine), which have a high affinity for adrenoceptors. Hydrogen bonding between –OH groups and receptors enhances adrenergic activity.
Separation of...
Aromatic ring substitutions: Substituting the aromatic ring with –OH groups at positions 3 and 4 yields catecholamines (e.g., epinephrine), which have a high affinity for adrenoceptors. Hydrogen bonding between –OH groups and receptors enhances adrenergic activity.
Separation of...
3.0K
Drug-Receptor Interaction: Agonist
2.5K
Agonists are drugs that interact with specific receptors in the body to produce a biological response. When an agonist binds to a receptor, it activates or enhances the receptor's function, leading to physiological effects. The interaction between agonist drugs and receptors is crucial for their therapeutic action in various medical treatments.
Agonists can bind to receptors in different ways. Some agonists bind directly to the receptor's active site, mimicking the endogenous...
Agonists can bind to receptors in different ways. Some agonists bind directly to the receptor's active site, mimicking the endogenous...
2.5K


