| P56130 | Y285_HELPY | Helicobacter pylori (strain ATCC 700392 / 26695) (Campylobacter pylori) | HP_0285 | Detail |
| Q95LM1 | UBE2U_MACFA | Macaca fascicularis (Crab-eating macaque) (Cynomolgus monkey) | UBE2U QtsA-20104 | Detail |
| P62839 | UB2D2_RAT | Rattus norvegicus (Rat) | Ube2d2 Ubc4 Ubch4 Ubch5b | Detail |
| Q6P073 | UB2J2_MOUSE | Mus musculus (Mouse) | Ube2j2 Ncube2 | Detail |
| Q95017 | UBC9_CAEEL | Caenorhabditis elegans | ubc-9 F29B9.6 | Detail |
| P52490 | UBC13_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | UBC13 YDR092W YD6652.04 | Detail |
| Q6DCZ9 | UBC12_XENLA | Xenopus laevis (African clawed frog) | ube2m ubc12 | Detail |
| Q9Y2X8 | UB2D4_HUMAN | Homo sapiens (Human) | UBE2D4 UBCH5D | Detail |
| P36051 | MCD4_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | MCD4 FSR2 SSU21 ZRG16 YKL165C YKL619 | Detail |
| Q8GY87 | UBC26_ARATH | Arabidopsis thaliana (Mouse-ear cress) | UBC26 At1g53025 F8L10.11 F8L10.22 | Detail |