| Q5LBD7 | HIS6_BACFN | Bacteroides fragilis (strain ATCC 25285 / DSM 2151 / JCM 11019 / NCTC 9343) | hisF BF2889 | Detail |
| Q7VBF5 | HIS5_PROMA | Prochlorococcus marinus (strain SARG / CCMP1375 / SS120) | hisH Pro_1140 | Detail |
| Q3SPZ6 | HIS52_NITWN | Nitrobacter winogradskyi (strain ATCC 25391 / DSM 10237 / CIP 104748 / NCIMB 11846 / Nb-255) | hisH2 Nwi_2391 | Detail |
| O34727 | HIS6_BACSU | Bacillus subtilis (strain 168) | hisF BSU34870 | Detail |
| Q81G04 | HIS5_BACCR | Bacillus cereus (strain ATCC 14579 / DSM 31 / JCM 2152 / NBRC 15305 / NCIMB 9373 / NRRL B-3711) | hisH BC_1408 | Detail |
| A3NE93 | HIS6_BURP6 | Burkholderia pseudomallei (strain 668) | hisF BURPS668_3660 | Detail |
| B1YRW1 | HIS6_BURA4 | Burkholderia ambifaria (strain MC40-6) | hisF BamMC406_0358 | Detail |
| Q21CK1 | HIS6_RHOPB | Rhodopseudomonas palustris (strain BisB18) | hisF RPC_0310 | Detail |
| A1U5H5 | HIS6_MARHV | Marinobacter hydrocarbonoclasticus (strain ATCC 700491 / DSM 11845 / VT8) | hisF Maqu_3170 | Detail |
| Q3AYZ0 | HIS5_SYNS9 | Synechococcus sp. (strain CC9902) | hisH Syncc9902_0719 | Detail |