| Q5UZH1 | HIS4_HALMA | Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809) (Halobacterium marismortui) | hisA rrnAC2529 | Detail |
| A3DJF6 | HIS4_HUNT2 | Hungateiclostridium thermocellum (strain ATCC 27405 / DSM 1237 / JCM 9322 / NBRC 103400 / NCIMB 10682 / NRRL B-4536 / VPI 7372) (Clostridium thermocellum) | hisA Cthe_2887 | Detail |
| A4SG77 | HIS4_CHLPM | Chlorobium phaeovibrioides (strain DSM 265 / 1930) (Prosthecochloris vibrioformis (strain DSM 265)) | hisA Cvib_1475 | Detail |
| Q28NK3 | HIS4_JANSC | Jannaschia sp. (strain CCS1) | hisA Jann_2792 | Detail |
| Q6CQL7 | HIS4_KLULA | Kluyveromyces lactis (strain ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37) (Yeast) (Candida sphaerica) | HIS6 KLLA0D16148g | Detail |
| Q9RRJ5 | HIS4_DEIRA | Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422) | hisA DR_2495 | Detail |
| B8HY50 | HIS4_CYAP4 | Cyanothece sp. (strain PCC 7425 / ATCC 29141) | hisA Cyan7425_2496 | Detail |
| A9VLH6 | HIS4_BACMK | Bacillus mycoides (strain KBAB4) (Bacillus weihenstephanensis) | hisA BcerKBAB4_1331 | Detail |
| Q46LD2 | HIS4_PROMT | Prochlorococcus marinus (strain NATL2A) | hisA PMN2A_0204 | Detail |
| B4ESZ9 | HIS4_PROMH | Proteus mirabilis (strain HI4320) | hisA PMI0660 | Detail |