| Q9Z1F9 | SAE2_MOUSE | Mus musculus (Mouse) | Uba2 Sae2 Uble1b | Detail |
| P53072 | TAN1_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | TAN1 YGL232W | Detail |
| P63281 | UBC9_RAT | Rattus norvegicus (Rat) | Ube2i Ubce9 | Detail |
| B4PS24 | UFL1_DROYA | Drosophila yakuba (Fruit fly) | GE25823 | Detail |
| P40180 | Y3672_STRCO | Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145) | SCO3672 SCH35.52 | Detail |
| Q09618 | YS74_CAEEL | Caenorhabditis elegans | ZK892.4 | Detail |
| A1A4I9 | UFL1_BOVIN | Bos taurus (Bovine) | UFL1 MAXER RCAD | Detail |
| Q4R8W3 | TNAP3_MACFA | Macaca fascicularis (Crab-eating macaque) (Cynomolgus monkey) | TNFAIP3 QtsA-11293 | Detail |
| Q9LX73 | UFL1_ARATH | Arabidopsis thaliana (Mouse-ear cress) | At3g46220 F12M12.190 | Detail |
| Q7Q373 | UFL1_ANOGA | Anopheles gambiae (African malaria mosquito) | AGAP007742 | Detail |