Enables 2,3-bisphosphoglycerate-dependent phosphoglycerate mutase activity. Involved in gluconeogenesis; response to mercury ion; and spermatogenesis. Located in cytosol and nucleus. Human ortholog(s) of this gene implicated in myoglobinuria. Orthologous to human PGAM2 (phosphoglycerate mutase 2). [provided by Alliance of Genome Resources, Apr 2022]