Enables protein C-terminus binding activity. Predicted to be involved in several processes, including cerebral cortex cell migration; cilium-dependent cell motility; and mitotic spindle organization. Located in axoneme and neuronal cell body. Is expressed in several structures, including brain; epithelium; future hindbrain roof plate; lung; and spinal cord ventricular layer. Used to study juvenile myoclonic epilepsy. Human ortholog(s) of this gene implicated in juvenile absence epilepsy 1 and juvenile myoclonic epilepsy. Orthologous to human EFHC1 (EF-hand domain containing 1). [provided by Alliance of Genome Resources, Apr 2022]