Essential for sperm motility and male fertility (By similarity). Plays an important role in sperm motility by regulating the organization and function of the mitochondria and is also required for correct sperm midpiece assembly (By similarity).
Subcellular locations: Mitochondrion outer membrane, Mitochondrion, Cell projection, Cilium, Flagellum
Localizes to the midpiece of the sperm flagellum.
Expressed specifically in testis.