| Q2EF73 | UBC9_ICTTR | Ictidomys tridecemlineatus (Thirteen-lined ground squirrel) (Spermophilus tridecemlineatus) | UBE2I UBC9 | Detail |
| P63283 | UBC9_CHICK | Gallus gallus (Chicken) | UBE2I UBC9 UBCE9 | Detail |
| O94361 | YHOE_SCHPO | Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast) | SPBC428.14 | Detail |
| Q57125 | Y765_HAEIN | Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd) | HI_0765 | Detail |
| B9FM64 | UFL1_ORYSJ | Oryza sativa subsp. japonica (Rice) | Os05g0117600 LOC_Os05g02650 OsJ_16906 P0496H07.16 | Detail |
| Q54QG5 | Y3893_DICDI | Dictyostelium discoideum (Slime mold) | DDB_G0283893 | Detail |
| P35132 | UBC9_ARATH | Arabidopsis thaliana (Mouse-ear cress) | UBC9 UBC4B At4g27960 T13J8.70 | Detail |
| Q6C9W0 | UBC12_YARLI | Yarrowia lipolytica (strain CLIB 122 / E 150) (Yeast) (Candida lipolytica) | UBC12 YALI0D07890g | Detail |
| P55564 | Y4ME_SINFN | Sinorhizobium fredii (strain NBRC 101917 / NGR234) | NGR_a02540 y4mE | Detail |
| P05448 | YAT5_RHOBL | Rhodobacter blasticus (Rhodopseudomonas blastica) | | Detail |