Predicted to enable metal ion binding activity; phosphoric diester hydrolase activity; and single-stranded DNA binding activity. Predicted to be involved in double-strand break repair and neuron development. Predicted to be located in aggresome and nuclear body. Predicted to be active in PML body and cytoplasm. Human ortholog(s) of this gene implicated in autosomal recessive spinocerebellar ataxia 23. Orthologous to human TDP2 (tyrosyl-DNA phosphodiesterase 2). [provided by Alliance of Genome Resources, Apr 2022]