Predicted to enable several functions, including peptidase activity; transcription coactivator activity; and zinc ion binding activity. Predicted to be involved in DNA damage response; positive regulation of macromolecule biosynthetic process; and protein homotetramerization. Predicted to act upstream of or within several processes, including chromatin organization; protein deubiquitination; and proteolysis. Predicted to be located in nucleus. Orthologous to human USP16 (ubiquitin specific peptidase 16).