Predicted to enable protein serine/threonine phosphatase activity. Predicted to be involved in peptidyl-serine dephosphorylation and regulation of ubiquinone biosynthetic process. Located in mitochondrion. Is expressed in several structures, including brain; cardiovascular system; connective tissue; genitourinary system; and gut. Orthologous to human PPTC7 (protein phosphatase targeting COQ7). [provided by Alliance of Genome Resources, Apr 2022]