Ligand-gated ion channel

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Unlike the voltage-gated ion channels present within the cell plasma membrane, the ligand-gated ion channels are controlled through the presence of ligand molecules. It is with the binding of these ligand molecules (e.g. acetylcholine) to the ligand-gated ion channel that causes a conformational change; resulting in the opening or closing of that channel. [1]


Reference

  1. Berg, J. Stryer, L. Tymockzo, J. (2011) Biochemistry, 7th Editiong, New York: W.H Freeman and Company. Chapter 13 Page 402
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