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离子通道的第３类调节方式——Ｇ蛋白门控性通道电压和配基门控离子通道是兴奋性细胞膜上两类主要的离子通道。电压门控离子通道对膜电压变化敏感，如Ｋ＋、Ｎａ＋、Ｃａ２＋通道；配基门控性通道对特异配基敏感，如α心受体、ＧＡＢＡＡ受体及Ｃａ２＋激活的Ｋ＋通道等。...
Regulation of ion channel type 3 - G-protein-gated channel voltage and ligand-gated ion channels are two major classes of ion channels on excitatory cell membranes. Voltage-gated ion channels are sensitive to membrane voltage changes such as K +, Na + and Ca2 + channels; ligand-gated channels are sensitive to specific ligands such as α-cardiac receptor, GABAA receptor and Ca 2+ -activated K + channels. ...