Calmodulin: a calcium-binding small regulatory protein that mediates the control of a large number of enzymes by Ca(2+). Among the enzymes to be stimulated by the calmodulin-Ca(2+) complex are a number of protein kinases and phosphatases. Has four functional calcium-binding domains. Phosphorylation and ubiquitination result in a decreased activity.
Protein type: Calcium-binding
Chromosomal Location of Human Ortholog: 14q32.11
Cellular Component: centrosome; cytoplasm; cytosol; extracellular region; growth cone; nucleoplasm; nucleus; plasma membrane; sarcomere; spindle microtubule; spindle pole; vesicle
Molecular Function: adenylate cyclase binding; calcium ion binding; calcium-dependent protein binding; N-terminal myristoylation domain binding; nitric-oxide synthase binding; nitric-oxide synthase regulator activity; phosphoinositide 3-kinase binding; phospholipase binding; protein binding; protein domain specific binding; protein kinase binding; protein serine/threonine kinase activator activity; thioesterase binding; titin binding; type 3 metabotropic glutamate receptor binding
Biological Process: activation of MAPKK activity; adenylate cyclase activation; axon guidance; blood coagulation; carbohydrate metabolic process; detection of calcium ion; epidermal growth factor receptor signaling pathway; fibroblast growth factor receptor signaling pathway; G-protein coupled receptor protein signaling pathway; glucose metabolic process; glycogen catabolic process; innate immune response; inositol phosphate metabolic process; insulin receptor signaling pathway; MAPKKK cascade; muscle contraction; nerve growth factor receptor signaling pathway; nitric oxide metabolic process; phospholipase C activation; phototransduction, visible light; platelet activation; platelet degranulation; positive regulation of cyclic nucleotide metabolic process; positive regulation of cyclic-nucleotide phosphodiesterase activity; positive regulation of nitric-oxide synthase activity; positive regulation of phosphoprotein phosphatase activity; positive regulation of protein amino acid autophosphorylation; positive regulation of protein amino acid dephosphorylation; Ras protein signal transduction; regulation of cytokinesis; regulation of heart rate; regulation of nitric-oxide synthase activity; regulation of rhodopsin mediated signaling; response to amphetamine; response to calcium ion; response to corticosterone stimulus; rhodopsin mediated signaling; signal transduction; small GTPase mediated signal transduction; stimulatory C-type lectin receptor signaling pathway; substantia nigra development; synaptic transmission; vascular endothelial growth factor receptor signaling pathway
Disease: Long Qt Syndrome 14; Ventricular Tachycardia, Catecholaminergic Polymorphic, 4
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