| A1BHP6 | HIS6_CHLPD | Chlorobium phaeobacteroides (strain DSM 266) | hisF Cpha266_1907 | Detail |
| O33774 | HIS6_SACS2 | Saccharolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2) (Sulfolobus solfataricus) | hisF SSO0597 C08_052 | Detail |
| B1ILB0 | HIS6_CLOBK | Clostridium botulinum (strain Okra / Type B1) | hisF CLD_2980 | Detail |
| A4X9P7 | HIS6_SALTO | Salinispora tropica (strain ATCC BAA-916 / DSM 44818 / CNB-440) | hisF Strop_3187 | Detail |
| Q1LIB2 | HIS6_CUPMC | Cupriavidus metallidurans (strain ATCC 43123 / DSM 2839 / NBRC 102507 / CH34) (Ralstonia metallidurans) | hisF Rmet_3242 | Detail |
| B2SZ59 | HIS6_PARPJ | Paraburkholderia phytofirmans (strain DSM 17436 / LMG 22146 / PsJN) (Burkholderia phytofirmans) | hisF Bphyt_3554 | Detail |
| C4LFI4 | HIS6_TOLAT | Tolumonas auensis (strain DSM 9187 / TA4) | hisF Tola_1741 | Detail |
| P61779 | HIS5_DESVH | Desulfovibrio vulgaris (strain Hildenborough / ATCC 29579 / DSM 644 / NCIMB 8303) | hisH DVU_0285 | Detail |
| P60595 | HIS5_ECOLI | Escherichia coli (strain K12) | hisH b2023 JW2005 | Detail |
| Q9P4P9 | HIS5_EMENI | Emericella nidulans (strain FGSC A4 / ATCC 38163 / CBS 112.46 / NRRL 194 / M139) (Aspergillus nidulans) | hisHF AN7430 | Detail |