| B2UEE6 | HIS4_RALPJ | Ralstonia pickettii (strain 12J) | hisA Rpic_3224 | Detail |
| B3PWI0 | HIS4_RHIE6 | Rhizobium etli (strain CIAT 652) | hisA RHECIAT_CH0000045 | Detail |
| P58791 | HIS4_PYRFU | Pyrococcus furiosus (strain ATCC 43587 / DSM 3638 / JCM 8422 / Vc1) | hisA PF1662 | Detail |
| B1W0M4 | HIS4_STRGG | Streptomyces griseus subsp. griseus (strain JCM 4626 / NBRC 13350) | priA hisA SGR_5455 | Detail |
| C1ATY9 | HIS4_RHOOB | Rhodococcus opacus (strain B4) | hisA ROP_07500 | Detail |
| O33772 | HIS4_SACS2 | Saccharolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2) (Sulfolobus solfataricus) | hisA SSO0594 C08_055 | Detail |
| A9ML12 | HIS4_SALAR | Salmonella arizonae (strain ATCC BAA-731 / CDC346-86 / RSK2980) | hisA SARI_00808 | Detail |
| A9L4B9 | HIS4_SHEB9 | Shewanella baltica (strain OS195) | hisA Sbal195_2541 | Detail |
| A3QF20 | HIS4_SHELP | Shewanella loihica (strain ATCC BAA-1088 / PV-4) | hisA Shew_2202 | Detail |
| Q39K86 | HIS4_BURL3 | Burkholderia lata (strain ATCC 17760 / DSM 23089 / LMG 22485 / NCIMB 9086 / R18194 / 383) | hisA Bcep18194_A3528 | Detail |