An ion channel is a protein that lets charged particles enter or leave a cell to generate electrical signals, a basic process of nerve cell communication.
离子通道是可以让带电粒子进入或离开细胞，产生电信号的一类蛋白，是神经细胞交流的基础。
2
The mutation itself is in a gene for a nerve-cell protein of a type known as an ion channel.
变异的基因是编码一种叫做离子通道的神经细胞蛋白质。
3
Most attention has focused on the M2 protein, an ion channel that protrudes from the virus's surface and tells it when it is inside a cell.