Predicted to enable protein tyrosine phosphatase activity. Predicted to be involved in peptidyl-tyrosine dephosphorylation. Predicted to act upstream of or within protein targeting to membrane and protein targeting to mitochondrion. Predicted to be located in mitochondrion and nucleus. Predicted to be extrinsic component of mitochondrial inner membrane. Orthologous to human DUSP21 (dual specificity phosphatase 21). [provided by Alliance of Genome Resources, Apr 2022]