Predicted to enable phosphatidylinositol 3-kinase binding activity and signaling receptor binding activity. Predicted to be involved in positive regulation of phosphatidylinositol 3-kinase signaling and protein phosphorylation. Predicted to be located in cell surface. Predicted to be integral component of membrane. Is expressed in ductus deferens; epididymis; esophagus; prostate gland; and testis. Orthologous to human HCST (hematopoietic cell signal transducer). [provided by Alliance of Genome Resources, Apr 2022]