The transport of ions to and from a cell is controlled by pore-forming proteins embedded in the cell membrane. In particular, voltage-gated sodium channels (VGSCs) govern the transfer of sodium (Na +) ...

Cardiac sodium channel structure cartoon with binding of the antiarrhythmic drug flecainide shown as yellow sticks. The channel drawing is superimposed over a heart image. The electrocardiogram's ...

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 ...