Enables calmodulin binding activity and elongation factor-2 kinase activity. Involved in regulation of protein autophosphorylation. Predicted to be located in dendritic spine and postsynaptic density. Is expressed in liver; lung; nervous system; and olfactory epithelium. Orthologous to human EEF2K (eukaryotic elongation factor 2 kinase). [provided by Alliance of Genome Resources, Apr 2022]