| Q2J341 | HIS4_RHOP2 | Rhodopseudomonas palustris (strain HaA2) | hisA RPB_0408 | Detail |
| Q162Q2 | HIS4_ROSDO | Roseobacter denitrificans (strain ATCC 33942 / OCh 114) (Erythrobacter sp. (strain OCh 114)) (Roseobacter denitrificans) | hisA RD1_3560 | Detail |
| B5RBR6 | HIS4_SALG2 | Salmonella gallinarum (strain 287/91 / NCTC 13346) | hisA SG2106 | Detail |
| A6QKG2 | HIS4_STAAE | Staphylococcus aureus (strain Newman) | hisA NWMN_2572 | Detail |
| Q6G601 | HIS4_STAAS | Staphylococcus aureus (strain MSSA476) | hisA SAS2559 | Detail |
| A7X764 | HIS4_STAA1 | Staphylococcus aureus (strain Mu3 / ATCC 700698) | hisA SAHV_2658 | Detail |
| P16250 | HIS4_STRCO | Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145) | priA hisA SCO2050 SC4G6.19c | Detail |
| Q8G4S5 | HIS4_BIFLO | Bifidobacterium longum (strain NCC 2705) | hisA BL1300 | Detail |
| Q3A136 | HIS4_PELCD | Pelobacter carbinolicus (strain DSM 2380 / NBRC 103641 / GraBd1) | hisA Pcar_2685 | Detail |
| B4T9N8 | HIS4_SALHS | Salmonella heidelberg (strain SL476) | hisA SeHA_C2302 | Detail |