Acts upstream of or within epithelial cilium movement involved in extracellular fluid movement; flagellated sperm motility; and protein localization to motile cilium. Located in cytoskeleton and motile cilium. Human ortholog(s) of this gene implicated in visceral heterotaxy. Orthologous to human CFAP53 (cilia and flagella associated protein 53). [provided by Alliance of Genome Resources, Apr 2022]