Predicted to enable 3'-5'-exodeoxyribonuclease activity; magnesium ion binding activity; and protein homodimerization activity. Predicted to be involved in DNA catabolic process, exonucleolytic. Predicted to act upstream of or within cellular response to DNA damage stimulus. Predicted to be located in nucleus. Predicted to be active in cytoplasm. Orthologous to human TREX2 (three prime repair exonuclease 2). [provided by Alliance of Genome Resources, Apr 2022]