Predicted to be involved in cilium assembly and cilium movement involved in cell motility. Predicted to act upstream of or within regulation of brood size. Predicted to be located in sperm midpiece and sperm principal piece. Predicted to be active in microtubule cytoskeleton and sperm flagellum. Orthologous to human TEKT4 (tektin 4). [provided by Alliance of Genome Resources, Apr 2022]