Acts upstream of or within cilium assembly and smoothened signaling pathway. Located in centrosome and motile cilium. Part of intraciliary transport particle B. Is expressed in several structures, including brain; gonad; hemolymphoid system gland; hindlimb; and otocyst. Orthologous to human IFT46 (intraflagellar transport 46). [provided by Alliance of Genome Resources, Apr 2022]