Predicted to enable odorant binding activity. Predicted to be involved in several processes, including negative regulation of sperm capacitation; positive regulation of granulocyte macrophage colony-stimulating factor production; and regulation of binding activity of sperm to zona pellucida. Predicted to be located in extracellular region. Predicted to be active in extracellular space. Orthologous to human PAEP (progestagen associated endometrial protein). [provided by Alliance of Genome Resources, Apr 2022]