Predicted to be involved in several processes, including cilium assembly; determination of left/right symmetry; and regulation of cilium beat frequency. Predicted to act upstream of or within several processes, including cerebrospinal fluid circulation; establishment of left/right asymmetry; and protein localization to cilium. Predicted to be located in 9+2 motile cilium and cytosol. Predicted to be active in axoneme. Human ortholog(s) of this gene implicated in primary ciliary dyskinesia 14. Orthologous to human CCDC39 (coiled-coil domain containing 39). [provided by Alliance of Genome Resources, Apr 2022]