Enables 3-hydroxyanthranilate 3,4-dioxygenase activity; iron ion binding activity; and oxygen binding activity. Involved in quinolinate metabolic process. Located in mitochondrial membrane. Used to study Huntington's disease. Orthologous to human HAAO (3-hydroxyanthranilate 3,4-dioxygenase). [provided by Alliance of Genome Resources, Apr 2022]