- 作者: 陳語謙
- 作者服務機構: Department of Biological Science and Technology, China Medical University,Taichung 40404, Taiwan, R.O.C. Taichung 40404, Taiwan, R.O.C.
- 中文摘要: Our goal was to generate the extracellular domain of gamma-aminobutyric acid type A receptor (GABA receptor) by comparative modeling and to study the interaction of zolpidem with the GABAA receptor. The modeling strategy was verified to provide reasonable 3-dimensional coordinates. These coordinates helped to combine all the subunits well. The benzodiazepine (BZ) binding site was located in a binding pocket between the α1 and γ2 subunits of the GABAA receptor. Zolpidem was selected to dock into the binding site. In our study, the residues of the binding pocket were suggested to be αHis129, αTyr187, αGly228, αThr234, αTyr237, γMet96, γPhe116, γSer130, γGly143, and γMet169. By the calculation of the docking module, the conformation of zolpidem docking in the BZ binding site was investigated. A hydrogen bond was found at γArg136 when zolpidem's conformation was in rank 2 of the docking score. The contracted binding pocket showed residues at αHis129, αTyr187, αGly228, αTyr237, γPhe116, and γMet169. Zolpidem docking in a contracted binding pocket might generate a hydrogen bond in aHis129.
- 英文摘要: --
- 中文關鍵字: GABAA; Zolpidem; Comparative modeling; Binding pocket; Docking.
- 英文關鍵字: --