An ion channel is a molecule that allows the passage of electrically charged atoms of sodium, potassium, calcium and so on through the outer membrane of a cell.
离子通道是一种分子，它允许钠、钾、钙等离子经由它通过细胞外膜。
2
This potassium ion channel gene is the second such gene found by the group to cause abnormal electrical activity leading to death in epilepsy.
钾离子通道基因是该团队发现的第二个引起不正常电活动，从而导致癫痫死亡的基因。
3
Howard Hughes Medical Institute researchers are unveiling the most detailed views yet of the structure of a voltage-dependent potassium ion channel.