Acts upstream of or within determination of left/right symmetry and heart development. Predicted to be located in cytoplasm. Is expressed in lung; ovary; oviduct; and testis. Used to study Kartagener syndrome; primary ciliary dyskinesia 2; and visceral heterotaxy. Human ortholog(s) of this gene implicated in primary ciliary dyskinesia 2. Orthologous to human DNAAF3 (dynein axonemal assembly factor 3). [provided by Alliance of Genome Resources, Apr 2022]