| Q39YP6 | HIS8_GEOMG | Geobacter metallireducens (strain GS-15 / ATCC 53774 / DSM 7210) | hisC Gmet_0385 | Detail |
| Q82AA5 | HIS8_STRAW | Streptomyces avermitilis (strain ATCC 31267 / DSM 46492 / JCM 5070 / NBRC 14893 / NCIMB 12804 / NRRL 8165 / MA-4680) | hisC hisC1 SAV_6154 | Detail |
| B0UN04 | HIS8_METS4 | Methylobacterium sp. (strain 4-46) | hisC M446_5257 | Detail |
| Q3JEN8 | HIS81_NITOC | Nitrosococcus oceani (strain ATCC 19707 / BCRC 17464 / NCIMB 11848 / C-107) | hisC1 Noc_0175 | Detail |
| O28255 | HIS82_ARCFU | Archaeoglobus fulgidus (strain ATCC 49558 / VC-16 / DSM 4304 / JCM 9628 / NBRC 100126) | hisC2 AF_2024 | Detail |
| Q7W2Y3 | HIS82_BORPA | Bordetella parapertussis (strain 12822 / ATCC BAA-587 / NCTC 13253) | hisC2 BPP4268 | Detail |
| Q39CT7 | HIS82_BURL3 | Burkholderia lata (strain ATCC 17760 / DSM 23089 / LMG 22485 / NCIMB 9086 / R18194 / 383) | hisC2 Bcep18194_A6135 | Detail |
| Q2Y6Y6 | HIS82_NITMU | Nitrosospira multiformis (strain ATCC 25196 / NCIMB 11849 / C 71) | hisC2 Nmul_A2193 | Detail |
| Q5X3Q5 | HIS82_LEGPA | Legionella pneumophila (strain Paris) | hisC2 lpp1979 | Detail |
| Q758B8 | GPI7_ASHGO | Ashbya gossypii (strain ATCC 10895 / CBS 109.51 / FGSC 9923 / NRRL Y-1056) (Yeast) (Eremothecium gossypii) | LAS21 GPI7 AEL166C | Detail |