Predicted to enable several functions, including ATPase binding activity; phosphotyrosine residue binding activity; and sodium channel regulator activity. Involved in liver regeneration. Predicted to be located in cytoskeleton. Predicted to be active in cytoplasm and cytoplasmic side of plasma membrane. Orthologous to human PTPN3 (protein tyrosine phosphatase non-receptor type 3). [provided by Alliance of Genome Resources, Apr 2022]