Calmodulin definitions

A calcium-binding protein found in all nucleated cells that affects the activity of many calcium-sensitive enzymes, including those involved in muscular contraction.

A protein in nearly all cells that binds to calcium and regulates many important cell functions, as nerve impulse transmissions and muscle action.

A calcium-binding protein that mediates many metabolic processes, such as contraction of smooth muscle, by binding to enzymes and other proteins.