| P60599 | HIS5_GEOSL | Geobacter sulfurreducens (strain ATCC 51573 / DSM 12127 / PCA) | hisH GSU3097 | Detail |
| Q5FA21 | HIS5_NEIG1 | Neisseria gonorrhoeae (strain ATCC 700825 / FA 1090) | hisH NGO0213 | Detail |
| Q9JVH3 | HIS5_NEIMA | Neisseria meningitidis serogroup A / serotype 4A (strain Z2491) | hisH NMA0840 | Detail |
| P57921 | HIS5_PASMU | Pasteurella multocida (strain Pm70) | hisH PM1202 | Detail |
| Q9PM75 | HIS52_CAMJE | Campylobacter jejuni subsp. jejuni serotype O:2 (strain ATCC 700819 / NCTC 11168) | hisH2 Cj1600 | Detail |
| Q8A7Z6 | HIS6_BACTN | Bacteroides thetaiotaomicron (strain ATCC 29148 / DSM 2079 / NCTC 10582 / E50 / VPI-5482) | hisF BT_1378 | Detail |
| Q2YZ69 | HIS5_STAAB | Staphylococcus aureus (strain bovine RF122 / ET3-1) | hisH SAB2551c | Detail |
| Q55805 | HIS5_SYNY3 | Synechocystis sp. (strain PCC 6803 / Kazusa) | hisH slr0084 | Detail |
| A6UR05 | HIS6_METVS | Methanococcus vannielii (strain ATCC 35089 / DSM 1224 / JCM 13029 / OCM 148 / SB) | hisF Mevan_1024 | Detail |
| B4T9N9 | HIS6_SALHS | Salmonella heidelberg (strain SL476) | hisF SeHA_C2303 | Detail |