該基因編碼一種蛋白質，在精子粘附卵透明帶的物種特異性中發揮作用。編碼蛋白位于頂體，可能參與信號傳遞或配子識別。該基因的等位基因多態性導致功能性和框移等位基因；參考基因組代表功能性等位基因。該基因的選擇性剪接導致多個轉錄變體。
This gene encodes a protein that functions in the species specificity of sperm adhesion to the egg zona pellucida. The encoded protein is located in the acrosome and may be involved in signaling or gamete recognition. An allelic polymorphism in this gene results in both functional and frameshifted alleles; the reference genome represents the functional allele. Alternative splicing of this gene results in multiple transcript variants.