Calmodulin-dependent protein kinase

Calmodulin-dependent protein kinase (CaMK) is a type of enzyme that plays a vital role in how cells respond to calcium levels. When calcium enters a cell, it binds to a protein called calmodulin, which then activates CaMK. Once activated, this enzyme modifies other proteins through a process called phosphorylation, which can change their activity and function. This regulation affects numerous cellular processes, including muscle contraction, neurotransmitter release, and various metabolic pathways, helping to ensure that cells can adapt to different stimuli and maintain proper function.