Researchers show how calcium ions can block sodium ion channels in cell membranes

PHYSorg
Aug 9, 2023, 2:10 pm112 pts
Ion channels are structures within cell membranes that enable specific ions to travel to and from the cell. Such transfer is essential for a variety of physiological processes such as muscle cell contraction and nerve excitation. In so-called tetrameric cation channels, the ion selectivity results from the…

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