Is predicted to encode a protein with the following domains: Exoribonuclease, PH domain 2 superfamily; Tim10-like; Tim10/DDP family zinc finger; Tim10-like domain superfamily; PNPase/RNase PH domain superfamily; 3' exoribonuclease family, domain 1; Exoribonuclease, phosphorolytic domain 1; and Ribosomal protein S5 domain 2-type fold. Is an ortholog of C. elegans exos-4.1.