a protease that can remove conjugated ubiquitin from proteins in vitro and may therefore play an important regulatory role at the level of protein turnover by preventing degradation. Regulator of T-cell anergy, a phenomenon that occur when T-cell are rendered unresponsive to antigen rechallenge and no longer respond to their cognate antigen. Acts via its interaction with RNF128/GRAIL, a crucial inductor of CD4 T-cell anergy. Two alternatively spliced isoforms are known. Note: This description may include information from UniProtKB.
Protein type: EC 188.8.131.52; Protease; Ubiquitin conjugating system; Ubiquitin-specific protease