Predicted to enable phosphatidylinositol-4,5-bisphosphate binding activity. Acts upstream of or within embryo implantation. Predicted to be located in cytoplasm and cytoplasmic side of apical plasma membrane. Predicted to be part of exocyst. Predicted to be active in plasma membrane. Orthologous to human EXOC1 (exocyst complex component 1). [provided by Alliance of Genome Resources, Apr 2022]