| Q32LD2 | UBE2T_BOVIN | Bos taurus (Bovine) | UBE2T | Detail |
| B4JKB7 | UBE2S_DROGR | Drosophila grimshawi (Hawaiian fruit fly) (Idiomyia grimshawi) | GH12079 | Detail |
| Q9FKT3 | UBC30_ARATH | Arabidopsis thaliana (Mouse-ear cress) | UBC30 At5g56150 MDA7.21 | Detail |
| Q9FZ48 | UBC36_ARATH | Arabidopsis thaliana (Mouse-ear cress) | UBC36 UBC13B UBG13B At1g16890 F17F16.19 F6I1.11 | Detail |
| Q29503 | UB2R2_RABIT | Oryctolagus cuniculus (Rabbit) | UBE2R2 CDC34B | Detail |
| P15732 | UBC5_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | UBC5 YDR059C D4234 YD9609.13C | Detail |
| Q1JPX4 | UB2WB_DANRE | Danio rerio (Zebrafish) (Brachydanio rerio) | ube2wb zgc:136503 | Detail |
| Q6BYG4 | UBC6_DEBHA | Debaryomyces hansenii (strain ATCC 36239 / CBS 767 / JCM 1990 / NBRC 0083 / IGC 2968) (Yeast) (Torulaspora hansenii) | UBC6 DEHA2A09746g | Detail |
| Q9XVK5 | UBC12_CAEEL | Caenorhabditis elegans | ubc-12 R09B3.4 | Detail |
| Q6Y1Z4 | UBC9_PAGMA | Pagrus major (Red sea bream) (Chrysophrys major) | ube2i | Detail |