| B3P2S2 | UFL1_DROER | Drosophila erecta (Fruit fly) | GG10135 | Detail |
| B4R6G1 | UBE2S_DROSI | Drosophila simulans (Fruit fly) | GD17343 | Detail |
| Q3UE37 | UBE2Z_MOUSE | Mus musculus (Mouse) | Ube2z D11Moh35 | Detail |
| P42745 | UBC2_ARATH | Arabidopsis thaliana (Mouse-ear cress) | UBC2 At2g02760 T20F6.10 | Detail |
| P25868 | UBC7_WHEAT | Triticum aestivum (Wheat) | UBC7 | Detail |
| P35134 | UBC11_ARATH | Arabidopsis thaliana (Mouse-ear cress) | UBC11 At3g08690 F17O14.16 | Detail |
| P50623 | UBC9_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | UBC9 YDL064W | Detail |
| Q96LR5 | UB2E2_HUMAN | Homo sapiens (Human) | UBE2E2 UBCH8 | Detail |
| Q9FI61 | UBC27_ARATH | Arabidopsis thaliana (Mouse-ear cress) | UBC27 UBC1 At5g50870 K3K7.1 | Detail |
| Q9P6I1 | UBC16_SCHPO | Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast) | ubc16 SPBC1198.09 | Detail |