Generation of N-methyl-D-aspartate agonist and competitive antagonist pharmacophore models. Design and synthesis of phosphonoalkyl-substituted tetrahydroisoquinolines as novel antagonists
作者:Daniel F. Ortwine、Thomas C. Malone、Christopher F. Bigge、James T. Drummond、Christine Humblet、Graham Johnson、Garry W. Pinter
DOI:10.1021/jm00086a004
日期:1992.4
The preparation and binding affinity of a series of tetrahydroisoquinoline carboxylic acids at the N-methyl-D-aspartate (NMDA) subtype of the glutamate receptor is described, together with a molecular modeling analysis of NMDA agonists and antagonists. Using published NMDA ligands, the active analogue mapping approach was employed in the generation of an agonist pharmacophore model. Although known
描述了一系列四氢异喹啉羧酸在谷氨酸受体的N-甲基-D-天冬氨酸(NMDA)亚型上的制备和结合亲和力,以及对NMDA激动剂和拮抗剂的分子模型分析。使用公开的NMDA配体,在激动剂药效团模型的产生中采用了活性类似物作图方法。尽管可以将已知的竞争性拮抗剂(例如CPP(1))叠加到激动剂模型上,但要克服它们与相同受体位点结合的假设,可以使用独立的建模方法来得出单独的药效团模型。竞争性拮抗剂模型的开发涉及一种逐步方法,其中包括定义PO3H2受体相互作用的优选几何形状,多重构象搜索,以及确定体积和电子公差。对该模型进行了详细描述,与观察到的强效NMDA拮抗剂的亲和力一致,并为已知拮抗剂AP5,AP6和AP7的亲和力观察到的周期性提供了解释。比较了激动剂和拮抗剂模型的特征,并提出了关于这两类化合物的受体相互作用性质的假说。本文报道的药效基团模型与可容纳激动剂和拮抗剂配体的NMDA受体上的单个识别位点一致