| Q3M504 | HIS81_TRIV2 | Trichormus variabilis (strain ATCC 29413 / PCC 7937) (Anabaena variabilis) | hisC1 Ava_4334 | Detail |
| Q3J7H2 | HIS82_NITOC | Nitrosococcus oceani (strain ATCC 19707 / BCRC 17464 / NCIMB 11848 / C-107) | hisC2 Noc_2777 | Detail |
| Q5A3M6 | MCD4_CANAL | Candida albicans (strain SC5314 / ATCC MYA-2876) (Yeast) | MCD4 CAALFM_C112200WA CaO19.12709 CaO19.5244 | Detail |
| B1N009 | HIS8_LEUCK | Leuconostoc citreum (strain KM20) | hisC LCK_01287 | Detail |
| Q39M27 | HIS83_BURL3 | Burkholderia lata (strain ATCC 17760 / DSM 23089 / LMG 22485 / NCIMB 9086 / R18194 / 383) | hisC3 Bcep18194_C7445 | Detail |
| P9WMX1 | MFTF_MYCTU | Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) | mftF Rv0696 | Detail |
| Q8ABA8 | HIS8_BACTN | Bacteroides thetaiotaomicron (strain ATCC 29148 / DSM 2079 / NCTC 10582 / E50 / VPI-5482) | hisC BT_0202 | Detail |
| B0V7Q2 | HIS8_ACIBY | Acinetobacter baumannii (strain AYE) | hisC ABAYE3130 | Detail |
| Q97ES6 | HIS8_CLOAB | Clostridium acetobutylicum (strain ATCC 824 / DSM 792 / JCM 1419 / LMG 5710 / VKM B-1787) | hisC CA_C3031 | Detail |
| Q3KHZ1 | HIS81_PSEPF | Pseudomonas fluorescens (strain Pf0-1) | hisC1 Pfl01_0872 | Detail |