| P63147 | UBE2B_MOUSE | Mus musculus (Mouse) | Ube2b Rad6b | Detail |
| Q4R9D1 | UBE2C_MACFA | Macaca fascicularis (Crab-eating macaque) (Cynomolgus monkey) | UBE2C UBCH10 QtsA-10272 | Detail |
| Q9FF66 | UBC22_ARATH | Arabidopsis thaliana (Mouse-ear cress) | UBC22 At5g05080 MUG13.6 | Detail |
| P62255 | UB2G1_RAT | Rattus norvegicus (Rat) | Ube2g1 Ubc7 Ube2g | Detail |
| A1L167 | U2QL1_HUMAN | Homo sapiens (Human) | UBE2QL1 | Detail |
| Q6CUD9 | UBC2_KLULA | Kluyveromyces lactis (strain ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37) (Yeast) (Candida sphaerica) | UBC2 KLLA0C05632g | Detail |
| Q8K2Z8 | UB2Q2_MOUSE | Mus musculus (Mouse) | Ube2q2 | Detail |
| Q941B6 | UBC37_ARATH | Arabidopsis thaliana (Mouse-ear cress) | UBC37 At3g24515 MOB24.7 | Detail |
| P15731 | UBC4_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | UBC4 YBR082C YBR0745 | Detail |
| Q9NGP4 | UBC9_DICDI | Dictyostelium discoideum (Slime mold) | ubc9 DDB_G0287693 | Detail |