Involved in ciliogenesis. Interacts (via C-terminus) with microtubules. Interacts with LCA5, CEP290 and SDCCAG8. Interacts with FAM161B. Interacts with POC1B. Interacts with CEP78. Localized in the region between the outer and inner photoreceptor segments, corresponding to the photoreceptor connecting cilium. Expressed in the retina and kidney. Belongs to the FAM161 family.