| Q8CFI2 | UB2R1_MOUSE | Mus musculus (Mouse) | Cdc34 Ubch3 Ube2r1 | Detail |
| P61081 | UBC12_HUMAN | Homo sapiens (Human) | UBE2M UBC12 | Detail |
| P25865 | UBC1_ARATH | Arabidopsis thaliana (Mouse-ear cress) | UBC1 At1g14400 F14L17.17 F14L17_35 | Detail |
| P0C8G4 | UBC_ASFP4 | African swine fever virus (isolate Tick/South Africa/Pretoriuskop Pr4/1996) (ASFV) | UBC Pret-156 | Detail |
| C3Z724 | UBE2S_BRAFL | Branchiostoma floridae (Florida lancelet) (Amphioxus) | BRAFLDRAFT_259979 | Detail |
| Q9KP33 | Y2546_VIBCH | Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961) | VC_2546 | Detail |
| P55412 | Y4DM_SINFN | Sinorhizobium fredii (strain NBRC 101917 / NGR234) | NGR_a04040 y4dM | Detail |
| Q3V4V4 | Y330_ATV | Acidianus two-tailed virus (ATV) | | Detail |
| B4H9W2 | UBE2S_DROPE | Drosophila persimilis (Fruit fly) | GL16001 | Detail |
| Q96B02 | UBE2W_HUMAN | Homo sapiens (Human) | UBE2W UBC16 | Detail |