| Q76EZ2 | UB2SC_XENLA | Xenopus laevis (African clawed frog) | ube2s-c ube2s.2 | Detail |
| Q9FMM0 | UBC18_ARATH | Arabidopsis thaliana (Mouse-ear cress) | UBC18 At5g42990 MBD2.19 | Detail |
| Q09618 | YS74_CAEEL | Caenorhabditis elegans | ZK892.4 | Detail |
| P40180 | Y3672_STRCO | Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145) | SCO3672 SCH35.52 | Detail |
| Q9VTY6 | UBE2C_DROME | Drosophila melanogaster (Fruit fly) | vih Ubch10 CG10682 | Detail |
| B4PS24 | UFL1_DROYA | Drosophila yakuba (Fruit fly) | GE25823 | Detail |
| P61088 | UBE2N_HUMAN | Homo sapiens (Human) | UBE2N BLU | Detail |
| Q9LUQ5 | UBC25_ARATH | Arabidopsis thaliana (Mouse-ear cress) | UBC25 At3g15355 MJK13.1 | Detail |
| P35135 | UBC4_SOLLC | Solanum lycopersicum (Tomato) (Lycopersicon esculentum) | | Detail |
| P63281 | UBC9_RAT | Rattus norvegicus (Rat) | Ube2i Ubce9 | Detail |