Enables calmodulin binding activity. Acts upstream of or within establishment of left/right asymmetry and flagellated sperm motility. Located in 9+0 motile cilium; acrosomal vesicle; and sperm principal piece. Is expressed in lung; node; testis; and trachea. Orthologous to human ENKUR (enkurin, TRPC channel interacting protein). [provided by Alliance of Genome Resources, Apr 2022]