Enables protein C-terminus binding activity and protein kinase binding activity. Involved in positive regulation of calcineurin-NFAT signaling cascade. Located in several cellular components, including axon; dendrite; and neuronal cell body. Biomarker of Alzheimer's disease. Human ortholog(s) of this gene implicated in epidermodysplasia verruciformis. Orthologous to human CIB1 (calcium and integrin binding 1). [provided by Alliance of Genome Resources, Apr 2022]