Involved in germ cell development; vacuolar protein processing; and vacuolar transport. Located in cytoplasm. Expressed in male-specific anatomical entity and in male. Human ortholog(s) of this gene implicated in arthrogryposis, renal dysfunction, and cholestasis 2. Is an ortholog of human VIPAS39 (VPS33B interacting protein, apical-basolateral polarity regulator,
spe-39 homolog).