Predicted to enable protein tyrosine phosphatase activity. Acts upstream of or within protein dephosphorylation. Predicted to be located in cytoplasmic side of plasma membrane; cytosol; and mitotic spindle. Is expressed in liver and thymus primordium. Orthologous to human PTPN7 (protein tyrosine phosphatase non-receptor type 7). [provided by Alliance of Genome Resources, Apr 2022]