| P53757 | YN9A_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | YNR071C N3605 | Detail |
| O06741 | YITF_BACSU | Bacillus subtilis (strain 168) | yitF BSU10970 | Detail |
| P34184 | TOP1_BACPE | Bacillus pseudofirmus (strain OF4) | topA BpOF4_21279/BpOF4_21284 | Detail |
| Q9YB01 | TOP1_AERPE | Aeropyrum pernix (strain ATCC 700893 / DSM 11879 / JCM 9820 / NBRC 100138 / K1) | topA APE_1794 | Detail |
| Q6IM78 | TOP1M_RAT | Rattus norvegicus (Rat) | Top1mt | Detail |
| Q54RC3 | TOP1_DICDI | Dictyostelium discoideum (Slime mold) | top1 DDB_G0283205 | Detail |
| P78032 | TOP1_MYCPN | Mycoplasma pneumoniae (strain ATCC 29342 / M129) | topA MPN_261 MP572 | Detail |
| P0AAW0 | YBHH_SHIFL | Shigella flexneri | ybhH SF0890 S0937 | Detail |