Enables signaling receptor activity. Involved in phosphatidylinositol 3-kinase signaling; platelet aggregation; and protein kinase B signaling. Acts upstream of or within recognition of apoptotic cell. Located in phagocytic cup. Is active in plasma membrane. Is expressed in brain; dorsal root ganglion; embryo; and heart. Orthologous to human PEAR1 (platelet endothelial aggregation receptor 1). [provided by Alliance of Genome Resources, Apr 2022]