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CANNABINOID PHOTOLABELLING OF A G-PROTEIN GAMMA-SUBUNIT IN MOUSE PERITONEAL CELLS

机译:G蛋白γ-亚基在小鼠腹膜细胞中的大麻素光化作用

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Binding and photoactivation of a cannabinoid-derived ligand to intact mouse peritoneal cells has resulted in the labelling of a G-protein gamma-subunit. The assignment of structure is based on the product's physical characteristics and its ability to react with a polyclonal antiserum raised against the partial amino acid sequence for a gamma-subunit expressed in spleen cells. The binding characteristics of the ligand to the cells suggests that this gamma-subunit, and its associated alpha, and beta subunits, are located in close proximity to one of the transmembrane cannabinoid receptors. Our findings further suggest a possible experimental approach to identifying receptor-G-protein complexes in intact cells. [References: 15]
机译:大麻素衍生的配体与完整小鼠腹膜细胞的结合和光活化已导致标记G蛋白γ亚基。结构的确定基于产品的物理特性及其与针对脾细胞中表达的γ-亚基的部分氨基酸序列产生的多克隆抗血清反应的能力。配体与细胞的结合特征表明,该γ亚基及其相关的α和β亚基紧邻跨膜大麻素受体之一。我们的发现进一步提示了鉴定完整细胞中受体-G-蛋白复合物的可能的实验方法。 [参考:15]

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