Enables phosphatidylinositol-3,4-bisphosphate binding activity; phosphatidylinositol-3,5-bisphosphate binding activity; and phosphatidylinositol-3-phosphate binding activity. Involved in actin cytoskeleton reorganization and positive regulation of plasma membrane bounded cell projection assembly. Acts upstream of or within actin cytoskeleton organization and positive regulation of cell projection organization. Located in plasma membrane. Orthologous to human PLEK2 (pleckstrin 2). [provided by Alliance of Genome Resources, Apr 2022]