| Q8G4S8 | HIS8_BIFLO | Bifidobacterium longum (strain NCC 2705) | hisC BL1296 | Detail |
| A4XMY1 | HIS8_CALS8 | Caldicellulosiruptor saccharolyticus (strain ATCC 43494 / DSM 8903 / Tp8T 6331) | hisC Csac_2697 | Detail |
| Q8ESS3 | HIS81_OCEIH | Oceanobacillus iheyensis (strain DSM 14371 / CIP 107618 / JCM 11309 / KCTC 3954 / HTE831) | hisC1 OB0545 | Detail |
| P61000 | HIS8_GEOSL | Geobacter sulfurreducens (strain ATCC 51573 / DSM 12127 / PCA) | hisC GSU3099 | Detail |
| Q8EQB9 | HIS82_OCEIH | Oceanobacillus iheyensis (strain DSM 14371 / CIP 107618 / JCM 11309 / KCTC 3954 / HTE831) | hisC2 OB1782 | Detail |
| Q18F03 | HIS8_HALWD | Haloquadratum walsbyi (strain DSM 16790 / HBSQ001) | hisC HQ_3364A | Detail |
| P73807 | HIS8_SYNY3 | Synechocystis sp. (strain PCC 6803 / Kazusa) | hisC sll1958 | Detail |
| C1KWM5 | HIS8_LISMC | Listeria monocytogenes serotype 4b (strain CLIP80459) | hisC Lm4b_01942 | Detail |
| A6VUD3 | HIS8_MARMS | Marinomonas sp. (strain MWYL1) | hisC Mmwyl1_1133 | Detail |
| Q8D8Q1 | HIS8_VIBVU | Vibrio vulnificus (strain CMCP6) | hisC VV1_2918 | Detail |