Automated description from the Alliance of Genome Resources (Release 7.1.0)
Enables voltage-gated calcium channel activity. Acts upstream of or within several processes, including flagellated sperm motility; sodium ion transport; and sperm capacitation. Located in acrosomal vesicle and sperm principal piece. Part of CatSper complex. Orthologous to human CATSPER4 (cation channel sperm associated 4).