May play a role in the process of sperm capacitation.
Subcellular locations: Cytoplasm, Cytoplasmic vesicle, Secretory vesicle, Acrosome, Cell projection, Cilium, Flagellum
Colocalizes with PRKACA and TCP11 on the acrosome and tail regions in round spermatids and spermatozoa regardless of the capacitation status of the sperm.