Predicted to enable phosphatidylinositol-3-phosphate binding activity; phosphatidylinositol-4-phosphate binding activity; and phosphatidylinositol-5-phosphate binding activity. Acts upstream of or within positive regulation of intrinsic apoptotic signaling pathway. Located in lysosome. Orthologous to human PLEKHF1 (pleckstrin homology and FYVE domain containing 1). [provided by Alliance of Genome Resources, Apr 2022]