Predicted to enable DNA binding activity and nuclease activity. Predicted to be involved in DNA catabolic process, endonucleolytic; DNA catabolic process, exonucleolytic; and DNA repair. Predicted to be located in nuclear speck and nucleolus. Predicted to be active in nucleus. Is expressed in several structures, including alimentary system; brain; cardiovascular system; connective tissue; and genitourinary system. Orthologous to human REXO4 (REX4 homolog, 3'-5' exonuclease). [provided by Alliance of Genome Resources, Apr 2022]