| B3LYC0 | UFL1_DROAN | Drosophila ananassae (Fruit fly) | GF17327 | Detail |
| Q9FFK8 | NFXL2_ARATH | Arabidopsis thaliana (Mouse-ear cress) | NFXL2 EBI At5g05660 MJJ3.6 | Detail |
| P52491 | UBC12_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | UBC12 YLR306W L2142.3 | Detail |
| Q9DDJ0 | UBC9B_DANRE | Danio rerio (Zebrafish) (Brachydanio rerio) | ube2ib ubc9b ube2i2 | Detail |
| B4JV25 | UFL1_DROGR | Drosophila grimshawi (Hawaiian fruit fly) (Idiomyia grimshawi) | GH17388 | Detail |
| P0AAY0 | YBIS_ECO57 | Escherichia coli O157:H7 | ybiS Z1041 ECs0896 | Detail |
| Q9ZMF0 | Y285_HELPJ | Helicobacter pylori (strain J99 / ATCC 700824) (Campylobacter pylori J99) | jhp_0270 | Detail |
| Q28GH3 | SAE2_XENTR | Xenopus tropicalis (Western clawed frog) (Silurana tropicalis) | uba2 sae2 uble1b TEgg032e11.1 | Detail |
| Q9NAN1 | SAE2_CAEEL | Caenorhabditis elegans | uba-2 W02A11.4 | Detail |
| Q3V4V4 | Y330_ATV | Acidianus two-tailed virus (ATV) | | Detail |