Predicted to enable ubiquitin binding activity; ubiquitin protein ligase binding activity; and ubiquitin-like protein-specific protease activity. Involved in cellular response to interleukin-1. Located in cytoplasm and nucleus. Orthologous to human OTUB1 (OTU deubiquitinase, ubiquitin aldehyde binding 1). [provided by Alliance of Genome Resources, Apr 2022]