| Q3B3L3 | HIS8_PELLD | Pelodictyon luteolum (strain DSM 273 / 2530) (Chlorobium luteolum) | hisC Plut_1206 | Detail |
| A5CZ78 | HIS8_PELTS | Pelotomaculum thermopropionicum (strain DSM 13744 / JCM 10971 / SI) | hisC PTH_2537 | Detail |
| Q07IG8 | HIS8_RHOP5 | Rhodopseudomonas palustris (strain BisA53) | hisC RPE_4342 | Detail |
| Q1AY33 | HIS8_RUBXD | Rubrobacter xylanophilus (strain DSM 9941 / NBRC 16129) | hisC Rxyl_0726 | Detail |
| B5RBR3 | HIS8_SALG2 | Salmonella gallinarum (strain 287/91 / NCTC 13346) | hisC SG2103 | Detail |
| Q4WMJ9 | GLII_ASPFU | Neosartorya fumigata (strain ATCC MYA-4609 / Af293 / CBS 101355 / FGSC A1100) (Aspergillus fumigatus) | gliI AFUA_6G09640 | Detail |
| Q5WGR9 | HIS8_BACSK | Bacillus clausii (strain KSM-K16) | hisC ABC1901 | Detail |
| Q89AX7 | HIS8_BUCBP | Buchnera aphidicola subsp. Baizongia pistaciae (strain Bp) | hisC bbp_095 | Detail |
| Q8KD01 | HIS8_CHLTE | Chlorobaculum tepidum (strain ATCC 49652 / DSM 12025 / NBRC 103806 / TLS) (Chlorobium tepidum) | hisC CT1256 | Detail |
| Q3Z879 | HIS8_DEHM1 | Dehalococcoides mccartyi (strain ATCC BAA-2266 / KCTC 15142 / 195) (Dehalococcoides ethenogenes (strain 195)) | hisC DET0843 | Detail |