Predicted to enable G-protein alpha-subunit binding activity; guanyl-nucleotide exchange factor activity; and phosphatidylinositol phospholipase C activity. Acts upstream of or within acrosome reaction. Predicted to be located in cytosol; endoplasmic reticulum; and plasma membrane. Is expressed in nervous system and testis. Orthologous to human PLCD4 (phospholipase C delta 4). [provided by Alliance of Genome Resources, Apr 2022]