Molecular Modeling, Design, and Synthesis of Less Lipophilic Derivatives of 3-(4-Tetradecyloxybenzyl)-4H-1,2,4-oxadiazol-5-one (PMS1062) Specific for Group II Enzyme
作者:Stéphanie Plocki、Darina Aoun、Azali Ahamada-Himidi、Fernanda Tavarès-Camarinha、Chang-Zhi Dong、France Massicot、Jack Huet、Sylvie Adolphe-Pierre、François Chau、Jean-Jacques Godfroid、Nohad Gresh、Jean Edouard Ombetta、Françoise Heymans
DOI:10.1002/ejoc.200400541
日期:2005.7
3-(4-Tetradecyloxybenzyl)-4H-1,2,4-oxadiazol-5-one (PMS1062 or I) can probably act as a PLA2-II inhibitor on the acute inflammation model, but its highly lipophilic character could prevent it from being biodistributed effectively. In this work, based on a molecular modeling study, we have proposed a model that may provide compounds retaining both anti-PLA2 activity and specificity while becoming active
3-(4-Tetradecyloxybenzyl)-4H-1,2,4-oxadiazol-5-one(PMS1062 或 I)可能在急性炎症模型中充当 PLA2-II 抑制剂,但其高度亲脂性可能会阻止其被有效地生物分布。在这项工作中,基于分子建模研究,我们提出了一种模型,该模型可以提供保留抗 PLA2 活性和特异性同时成为口服活性的化合物。此外,分子动力学和能量最小化使我们能够表征每种衍生物的最低能量复合物。考虑到双方的构象能量变化以及药物 - 蛋白质相互作用,进行了能量平衡,并通过溶剂化/去溶剂化对结合的贡献的单点计算进一步完成。发现所得能量平衡的排序与从 IC50 值推断的亲和性的实验确定的排序完全一致。吲哚基团在阳离子-π 和疏水相互作用中的重要作用,连同 CaII 螯合恶二唑酮环,被强调为最佳结合化合物。(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451