Predicted to enable 3'-tyrosyl-DNA phosphodiesterase activity; double-stranded DNA binding activity; and single-stranded DNA binding activity. Predicted to be involved in DNA repair. Predicted to be located in nucleus. Human ortholog(s) of this gene implicated in spinocerebellar ataxia type 1 with axonal neuropathy. Is an ortholog of human TDP1 (tyrosyl-DNA phosphodiesterase 1).