Predicted to enable metal ion binding activity; protein serine phosphatase activity; and protein threonine phosphatase activity. Located in mitochondrion. Is expressed in several structures, including diaphragm; gut; heart; liver; and spleen. Used to study maple syrup urine disease. Human ortholog(s) of this gene implicated in maple syrup urine disease. Orthologous to human PPM1K (protein phosphatase, Mg2+/Mn2+ dependent 1K). [provided by Alliance of Genome Resources, Apr 2022]