>tr|A6ZY58|A6ZY58_YEAS7 Ubiquitin-conjugating enzyme OS=Saccharomyces cerevisiae GN=UBC13 MASLPKRIIKETEKLVSDPVPGITAEPHDDNLRYFQVTIEGPEQSPYEDGIFELELYLPD DYPMEAPKVRFLTKIYHPNIDRLGRICLDVLKTNWSPALQIRTVLLSIQALLASPNPNDP LANDVAEDWIKNEQGAKAKAREWTKLYAKKKPE