compound introduction
烟碱乙酰胆碱受体（nAChR）形成由四个不同亚基组成的配体门控离子通道。每个亚基包含一个细胞外氨基末端结构域（亲水性）和羧基末端结构域以及四个跨膜结构域。nAChR是一种变构和跨膜蛋白，位于神经肌肉接头处。 应用： 氯化六甲双铵已被用于阻断烟碱样受体对其激动剂的反应。它还被用于研究内脏神经元的机械灵敏性。 Nicotinic acetylcholine receptor (nAChR) forms a ligand-gated ion channel made up of four different subunits. Each subunit contains an extracellular amino-terminal domain (hydrophilic) and carboxylic terminal domain and four transmembrane domains. nAChR is an allosteric and transmembrane protein localized to the neuromuscular junction. Application： Hexamethonium chloride has been used to block the responses of nicotinic receptors towards it agonists. It has also been used to study the mechanosensitivity of viscerofugal neurons.
