Definitions for calmodulinkælˈmɒdʒ ə lɪn
Random House Webster's College Dictionary
cal•mod•u•linkælˈmɒdʒ ə lɪn(n.)
a protein, present in most cells, that binds calcium and participates in many physiological functions.
Origin of calmodulin:
1975–80; cal (cium ) +modul (ate ) + -in1
A calcium-binding protein found in all nucleated cells
U.S. National Library of Medicine
A heat-stable, low-molecular-weight activator protein found mainly in the brain and heart. The binding of calcium ions to this protein allows this protein to bind to cyclic nucleotide phosphodiesterases and to adenyl cyclase with subsequent activation. Thereby this protein modulates cyclic AMP and cyclic GMP levels.