protein modifier, ubiquitin
protein tag activity
CGD:CAL0000178202 CGD:CAL0000186339 FB:FBgn0032725 MGI:MGI:1855694 PANTHER:PTN000071508 PomBase:SPBC12D12.08c SGD:S000002546 SGD:S000003962 SGD:S000004157 UniProtKB:P05161