| Q31E64 | HIS6_HYDCU | Hydrogenovibrio crunogenus (strain XCL-2) (Thiomicrospira crunogena) | hisF Tcr_1969 | Detail |
| A9BJZ9 | HIS6_PETMO | Petrotoga mobilis (strain DSM 10674 / SJ95) | hisF Pmob_1021 | Detail |
| Q4J8I9 | HIS6_SULAC | Sulfolobus acidocaldarius (strain ATCC 33909 / DSM 639 / JCM 8929 / NBRC 15157 / NCIMB 11770) | hisF Saci_1578 | Detail |
| Q970Z0 | HIS6_SULTO | Sulfurisphaera tokodaii (strain DSM 16993 / JCM 10545 / NBRC 100140 / 7) (Sulfolobus tokodaii) | hisF STK_14620 | Detail |
| A6QCU4 | HIS6_SULNB | Sulfurovum sp. (strain NBC37-1) | hisF SUN_2367 | Detail |
| B0S8V2 | HIS6_LEPBA | Leptospira biflexa serovar Patoc (strain Patoc 1 / Ames) | hisF LBF_1676 | Detail |
| Q7MAS1 | HIS6_WOLSU | Wolinella succinogenes (strain ATCC 29543 / DSM 1740 / LMG 7466 / NCTC 11488 / FDC 602W) (Vibrio succinogenes) | hisF WS0064 | Detail |
| B7HKD2 | HIS5_BACC7 | Bacillus cereus (strain AH187) | hisH BCAH187_A1567 | Detail |
| Q5LU99 | HIS6_RUEPO | Ruegeria pomeroyi (strain ATCC 700808 / DSM 15171 / DSS-3) (Silicibacter pomeroyi) | hisF SPO1156 | Detail |
| Q97KH8 | HIS6_CLOAB | Clostridium acetobutylicum (strain ATCC 824 / DSM 792 / JCM 1419 / LMG 5710 / VKM B-1787) | hisF CA_C0941 | Detail |