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 be active in cytoplasm. Orthologous to human TREX2 (three prime repair exonuclease 2). [provided by Alliance of Genome Resources, Apr 2022]