| Q97KH7 | HIS3_CLOAB | Clostridium acetobutylicum (strain ATCC 824 / DSM 792 / JCM 1419 / LMG 5710 / VKM B-1787) | hisI CA_C0942 | Detail |
| B3R793 | HIS3_CUPTR | Cupriavidus taiwanensis (strain DSM 17343 / BCRC 17206 / CIP 107171 / LMG 19424 / R1) (Ralstonia taiwanensis (strain LMG 19424)) | hisI RALTA_A2868 | Detail |
| Q7VQW4 | HIS2_BLOFL | Blochmannia floridanus | hisI hisIE Bfl469 | Detail |
| Q1H4R1 | HIS3_METFK | Methylobacillus flagellatus (strain KT / ATCC 51484 / DSM 6875) | hisI Mfla_0255 | Detail |
| P9WMM6 | HIS3_MYCTO | Mycobacterium tuberculosis (strain CDC 1551 / Oshkosh) | hisI MT1641.1 | Detail |
| P9WLR0 | LIPZ_MYCTO | Mycobacterium tuberculosis (strain CDC 1551 / Oshkosh) | lipZ MT1882 | Detail |
| Q7TUC7 | HIS2_PROMP | Prochlorococcus marinus subsp. pastoris (strain CCMP1986 / NIES-2087 / MED4) | hisI hisIE PMM0578 | Detail |
| Q8NUI4 | HIS2_STAAW | Staphylococcus aureus (strain MW2) | hisI hisIE MW2591 | Detail |
| P00815 | HIS2_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | HIS4 YCL030C YCL183 YCL30C | Detail |
| A0RBM3 | HIS3_BACAH | Bacillus thuringiensis (strain Al Hakam) | hisI BALH_1266 | Detail |