Enables androgen receptor binding activity; enzyme binding activity; and histone demethylase activity. Acts upstream of or within several processes, including blastocyst formation; histone H3-K9 demethylation; and negative regulation of histone H3-K9 trimethylation. Located in pericentric heterochromatin. Is expressed in early conceptus; eye; genitourinary system; hippocampus; and rib. Human ortholog(s) of this gene implicated in autistic disorder; breast cancer; carcinoma (multiple); head and neck cancer; and withdrawal disorder. Orthologous to human KDM4C (lysine demethylase 4C). [provided by Alliance of Genome Resources, Apr 2022]