| B7INA2 | HIS4_BACC2 | Bacillus cereus (strain G9842) | hisA BCG9842_B3882 | Detail |
| Q75AP1 | HIS4_ASHGO | Ashbya gossypii (strain ATCC 10895 / CBS 109.51 / FGSC 9923 / NRRL Y-1056) (Yeast) (Eremothecium gossypii) | HIS6 ADL121W | Detail |
| Q58927 | HIS4_METJA | Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440) (Methanococcus jannaschii) | hisA MJ1532 | Detail |
| P62353 | HIS4_DESVH | Desulfovibrio vulgaris (strain Hildenborough / ATCC 29579 / DSM 644 / NCIMB 8303) | hisA DVU_1038 | Detail |
| Q8TYD6 | HIS4_METKA | Methanopyrus kandleri (strain AV19 / DSM 6324 / JCM 9639 / NBRC 100938) | hisA MK0364 | Detail |
| B6YQ29 | HIS4_AZOPC | Azobacteroides pseudotrichonymphae genomovar. CFP2 | hisA CFPG_038 | Detail |
| C3P505 | HIS4_BACAA | Bacillus anthracis (strain A0248) | hisA BAA_1496 | Detail |
| B8DNB4 | HIS4_DESVM | Desulfovibrio vulgaris (strain Miyazaki F / DSM 19637) | hisA DvMF_3120 | Detail |
| P62357 | HIS4_METMP | Methanococcus maripaludis (strain S2 / LL) | hisA MMP0417 | Detail |
| C3L9P8 | HIS4_BACAC | Bacillus anthracis (strain CDC 684 / NRRL 3495) | hisA BAMEG_3166 | Detail |