Calmodulin in Muscle: Function and Distribution

All muscle types contain calmodulin.

Calmodulin is a calcium-binding protein that is found in all eukaryotic cells. It is involved in a variety of cellular processes, including muscle contraction, cell division, and gene expression. In muscle cells, calmodulin binds to calcium ions and triggers the release of myosin from actin, which allows the muscles to contract.