Enables phosphatidylinositol binding activity. Involved in positive regulation of actin filament polymerization. Acts upstream of or within intracellular protein transport. Located in cytoplasm and plasma membrane. Colocalizes with cuticular plate. Is expressed in lower jaw molar and upper jaw molar. Orthologous to human SNX9 (sorting nexin 9). [provided by Alliance of Genome Resources, Apr 2022]