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vegetation
>
Ionic channel coupling receptor
离子通道偶联受体
(ino-channel linked receptor)
具有离子通道作用的细胞质膜受体称为离子通道受体。这种受体见于可兴奋细胞间的突触信号传导,产生一种电效应,如烟碱样乙酰胆碱受体(nachr)、γ-氨基丁酸受体(gabar)和甘氨酸受体等都是
离子通道偶联受体
。它们多为数个亚基组成的寡聚体蛋白, 除有配体结合位点外, 本身就是离子通道的一部分,并借此将信号传递至细胞内。信号分子同离子通道受体结合, 可改变膜的离子通透性。