Predicted to enable identical protein binding activity. Involved in positive regulation of cilium assembly and sperm axoneme assembly. Acts upstream of or within cilium organization and left/right axis specification. Located in cytoskeleton; nuclear envelope; and sperm flagellum. Is expressed in several structures, including brain; genitourinary system; gut; hemolymphoid system gland; and liver and biliary system. Human ortholog(s) of this gene implicated in visceral heterotaxy. Orthologous to human MNS1 (meiosis specific nuclear structural 1). [provided by Alliance of Genome Resources, Apr 2022]