a calcium/calmodulin-dependent S/T protein kinase of the CAMK group. Binding of calmodulin is thought to result in a conformational change and can lead to subsequent activation through phosphorylation by CAMKK1 and CAMKK2. Can be activated by CAMKK1 in a calcium-independent manner. Its Ca(2+)/CaM-dependent activity is enhanced 30-fold in vitro by phosphorylation at Thr180 by CaMKK1. Broadly expressed. Highly and mostly expressed in polymorphonuclear leukocytes (neutrophilic and eosinophilic granulocytes) while little or no expression is observed in monocytes and lymphocytes. May regulate calcium-mediated granulocyte function. May play a role in apoptosis of erythroleukemia cells. In vitro, phosphorylates transcription factor CREM isoform Beta and probably CREB1. Expression increases upon treatment of EC cells with DMSO and retinoic acid. Two isoforms of the human protein are produced by alternative splicing. Note: This description may include information from UniProtKB.
Protein type: CAMK group; CAMK1 family; EC 22.214.171.124; Kinase, protein; Protein kinase, CAMK; Protein kinase, Ser/Thr (non-receptor)
Molecular Function: calmodulin binding; calmodulin-dependent protein kinase activity
Biological Process: activation of CREB transcription factor; peptidyl-serine phosphorylation; peptidyl-threonine phosphorylation; positive regulation of phagocytosis; regulation of dendrite development