| Q9XVK5 | UBC12_CAEEL | Caenorhabditis elegans | ubc-12 R09B3.4 | Detail |
| Q6Y1Z4 | UBC9_PAGMA | Pagrus major (Red sea bream) (Chrysophrys major) | ube2i | Detail |
| P71242 | WCAK_ECOLI | Escherichia coli (strain K12) | wcaK b2045 JW2030 | Detail |
| Q9HE05 | UFD2_SCHPO | Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast) | ufd2 SPAC145.04 SPAC20H4.10 | Detail |
| C0SP99 | YCIB_BACSU | Bacillus subtilis (strain 168) | yciB BSU03350 | Detail |
| Q9H9P5 | UNKL_HUMAN | Homo sapiens (Human) | UNKL C16orf28 ZC3H5L ZC3HDC5L | Detail |
| O58558 | Y828_PYRHO | Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3) | PH0828 | Detail |
| O32163 | SUFU_BACSU | Bacillus subtilis (strain 168) | sufU iscU nifU yurV BSU32680 | Detail |
| F4JYG0 | PIAL2_ARATH | Arabidopsis thaliana (Mouse-ear cress) | PIAL2 At5g41580 MBK23.10 | Detail |
| P38632 | NSE2_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | MMS21 NSE2 YEL019C | Detail |