| Q2KTT2 | HIS4_BORA1 | Bordetella avium (strain 197N) | hisA BAV3318 | Detail |
| C4XSN4 | HIS4_DESMR | Desulfovibrio magneticus (strain ATCC 700980 / DSM 13731 / RS-1) | hisA DMR_22350 | Detail |
| C4ZSB3 | HIS4_ECOBW | Escherichia coli (strain K12 / MC4100 / BW2952) | hisA BWG_1815 | Detail |
| B1X6W1 | HIS4_ECODH | Escherichia coli (strain K12 / DH10B) | hisA ECDH10B_2172 | Detail |
| A1T8W5 | HIS4_MYCVP | Mycolicibacterium vanbaalenii (strain DSM 7251 / JCM 13017 / NRRL B-24157 / PYR-1) (Mycobacterium vanbaalenii) | priA hisA Mvan_2808 | Detail |
| B8E2C7 | HIS4_DICTD | Dictyoglomus turgidum (strain Z-1310 / DSM 6724) | hisA Dtur_1125 | Detail |
| A8LHX7 | HIS4_DINSH | Dinoroseobacter shibae (strain DSM 16493 / NCIMB 14021 / DFL 12) | hisA Dshi_2578 | Detail |
| A7ZNJ6 | HIS4_ECO24 | Escherichia coli O139:H28 (strain E24377A / ETEC) | hisA EcE24377A_2315 | Detail |
| A2SE08 | HIS4_METPP | Methylibium petroleiphilum (strain ATCC BAA-1232 / LMG 22953 / PM1) | hisA Mpe_A0835 | Detail |
| A6VDR0 | HIS4_PSEA7 | Pseudomonas aeruginosa (strain PA7) | hisA PSPA7_5876 | Detail |