Is predicted to encode a protein with the following domains: NOSIC; Cyclin, C-terminal domain; Cyclin, N-terminal domain; Nop domain; Nop domain superfamily; NOP5NT (NUC127) domain; Cyclin, N-terminal; NOP5, N-terminal; OTU-like cysteine protease; Cyclin-like superfamily; Helix hairpin bin domain superfamily; OTU domain; Nop, C-terminal domain; and snoRNA binding domain, fibrillarin. Is an ortholog of C. elegans
otub-2.