Predicted to enable 5'-3' exonuclease activity; endoribonuclease activity; and single-stranded DNA endodeoxyribonuclease activity. Predicted to be involved in apoptotic DNA fragmentation. Predicted to be located in mitochondrion. Predicted to be part of protein-containing complex. Predicted to be active in mitochondrial inner membrane and nucleus. Orthologous to human EXOG (exo/endonuclease G). [provided by Alliance of Genome Resources, Apr 2022]