Predicted to enable phosphatidylinositol-3-phosphatase activity. Predicted to be involved in phosphatidylinositol dephosphorylation. Predicted to act upstream of or within toxin transport. Predicted to be located in sarcomere and sarcoplasmic reticulum. Predicted to be active in cytoplasm and membrane. Orthologous to human MTMR12 (myotubularin related protein 12). [provided by Alliance of Genome Resources, Apr 2022]