Automated description from the Alliance of Genome Resources (Release 3.1.1)
Predicted to have acrosin binding activity and identical protein binding activity. Involved in binding activity of sperm to zona pellucida and prevention of polyspermy. Localizes to several cellular components, including collagen-containing extracellular matrix; endoplasmic reticulum; and multivesicular body. Is expressed in germ cell of ovary; oocyte; ovary; secondary oocyte; and testis. Orthologous to human ZP2 (zona pellucida glycoprotein 2).