| A6UPL6 | HIS8_METVS | Methanococcus vannielii (strain ATCC 35089 / DSM 1224 / JCM 13029 / OCM 148 / SB) | hisC Mevan_0531 | Detail |
| Q11DR9 | HIS8_CHESB | Chelativorans sp. (strain BNC1) | hisC Meso_3084 | Detail |
| Q8Q0D6 | HPR_METMA | Methanosarcina mazei (strain ATCC BAA-159 / DSM 3647 / Goe1 / Go1 / JCM 11833 / OCM 88) (Methanosarcina frisia) | MM_0201 | Detail |
| Q1R089 | HIS8_CHRSD | Chromohalobacter salexigens (strain DSM 3043 / ATCC BAA-138 / NCIMB 13768) | hisC Csal_0507 | Detail |
| B7LUF2 | HIS8_ESCF3 | Escherichia fergusonii (strain ATCC 35469 / DSM 13698 / CDC 0568-73) | hisC EFER_2104 | Detail |
| A5FFY0 | HIS8_FLAJ1 | Flavobacterium johnsoniae (strain ATCC 17061 / DSM 2064 / UW101) (Cytophaga johnsonae) | hisC Fjoh_2876 | Detail |
| Q98B00 | HIS83_RHILO | Mesorhizobium japonicum (strain LMG 29417 / CECT 9101 / MAFF 303099) (Mesorhizobium loti (strain MAFF 303099)) | hisC3 mlr5786 | Detail |
| Q058A6 | HIS8_BUCCC | Buchnera aphidicola subsp. Cinara cedri (strain Cc) | hisC BCc_065 | Detail |
| Q9HVX0 | HIS81_PSEAE | Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1) | hisC1 PA4447 | Detail |
| Q8Z5J9 | HIS8_SALTI | Salmonella typhi | hisC STY2282 t0800 | Detail |