Predicted to enable zinc ion binding activity. Predicted to be involved in several processes, including antimicrobial humoral response; negative regulation of flagellated sperm motility; and positive regulation of serine-type endopeptidase activity. Predicted to act upstream of or within fertilization. Predicted to be located in acrosomal vesicle and extracellular space. Predicted to be part of protein-containing complex. Orthologous to several human genes including SEMG1 (semenogelin 1). [provided by Alliance of Genome Resources, Apr 2022]