Involved in primary cilium formation (, ). Probably acts as a transition zone protein required for localization of PKD1/PC1 and PKD2/PC2 to the ciliary membrane .
Subcellular locations: Cytoplasm, Cytoskeleton, Cilium basal body, Cytoplasm, Cytoskeleton, Microtubule organizing center, Centrosome, Centriole
Localizes to centrioles and to the distal ends of basal bodies .