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Determination of ligand-receptor interactions of cholecystokinin by nuclear magnetic resonance.

机译:通过核磁共振测定胆囊收缩素的配体-受体相互作用。

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摘要

To date high resolution structural studies of G protein coupled receptors, with the exception of rhodopsin, have not been feasible using conventional spectroscopic techniques. To overcome these difficulties, the structural features of partial or intact domains of GPCRs have been studied by nuclear magnetic resonance spectroscopy and X-ray crystallography. Here, we describe the structural characterization of receptor domains from the cholecystokinin 1 and 2 receptors and the elucidation of intermolecular interactions between the extracellular receptor domains and CCK-8 by solution state nmr.
机译:迄今为止,除视紫红质外,G蛋白偶联受体的高分辨率结构研究尚无法使用常规光谱技术进行。为了克服这些困难,已经通过核磁共振波谱法和X射线晶体学研究了GPCR的部分或完整结构域的结构特征。在这里,我们描述了来自胆囊收缩素1和2受体的受体域的结构特征,以及通过溶液状态nmr阐明了细胞外受体域与CCK-8之间的分子间相互作用。

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