| Q5UQC9 | UBC1_MIMIV | Acanthamoeba polyphaga mimivirus (APMV) | UBC MIMI_L460 | Detail |
| Q7Z7E8 | UB2Q1_HUMAN | Homo sapiens (Human) | UBE2Q1 NICE5 UBE2Q PRO3094 | Detail |
| Q9NAN1 | SAE2_CAEEL | Caenorhabditis elegans | uba-2 W02A11.4 | Detail |
| Q28GH3 | SAE2_XENTR | Xenopus tropicalis (Western clawed frog) (Silurana tropicalis) | uba2 sae2 uble1b TEgg032e11.1 | Detail |
| Q9ZMF0 | Y285_HELPJ | Helicobacter pylori (strain J99 / ATCC 700824) (Campylobacter pylori J99) | jhp_0270 | Detail |
| P0AAY0 | YBIS_ECO57 | Escherichia coli O157:H7 | ybiS Z1041 ECs0896 | Detail |
| B4JV25 | UFL1_DROGR | Drosophila grimshawi (Hawaiian fruit fly) (Idiomyia grimshawi) | GH17388 | Detail |
| P61085 | UBE2K_BOVIN | Bos taurus (Bovine) | UBE2K HIP2 | Detail |
| Q6ZWY6 | U2D2B_MOUSE | Mus musculus (Mouse) | Ube2d2b | Detail |
| Q6FR76 | UBC2_CANGA | Candida glabrata (strain ATCC 2001 / CBS 138 / JCM 3761 / NBRC 0622 / NRRL Y-65) (Yeast) (Torulopsis glabrata) | UBC2 CAGL0I00352g | Detail |