| C1EMQ5 | HIS5_BACC3 | Bacillus cereus (strain 03BB102) | hisH BCA_1463 | Detail |
| A9M9R9 | HIS6_BRUC2 | Brucella canis (strain ATCC 23365 / NCTC 10854) | hisF BCAN_A2131 | Detail |
| P56265 | NIFB_KLEOX | Klebsiella oxytoca | nifB | Detail |
| P46044 | NIFB_FRAAL | Frankia alni | nifB | Detail |
| Q6A8L2 | HIS5_CUTAK | Cutibacterium acnes (strain DSM 16379 / KPA171202) (Propionibacterium acnes) | hisH PPA1155 | Detail |
| Q316L3 | HIS5_DESAG | Desulfovibrio alaskensis (strain G20) (Desulfovibrio desulfuricans (strain G20)) | hisH Dde_0332 | Detail |
| Q6AE14 | HIS5_LEIXX | Leifsonia xyli subsp. xyli (strain CTCB07) | hisH Lxx15840 | Detail |
| Q5UYV3 | HIS5_HALMA | Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809) (Halobacterium marismortui) | hisH hisH2 rrnAC2794 | Detail |
| Q3M5W4 | HIS5_TRIV2 | Trichormus variabilis (strain ATCC 29413 / PCC 7937) (Anabaena variabilis) | hisH Ava_4017 | Detail |
| Q465U3 | HIS5_METBF | Methanosarcina barkeri (strain Fusaro / DSM 804) | hisH Mbar_A3476 | Detail |