| B7HHG4 | HIS4_BACC4 | Bacillus cereus (strain B4264) | hisA BCB4264_A1462 | Detail |
| A4YJV4 | HIS4_BRASO | Bradyrhizobium sp. (strain ORS 278) | hisA BRADO0215 | Detail |
| Q2YQY9 | HIS4_BRUA2 | Brucella abortus (strain 2308) | hisA BAB1_2085 | Detail |
| Q058A3 | HIS4_BUCCC | Buchnera aphidicola subsp. Cinara cedri (strain Cc) | hisA BCc_068 | Detail |
| Q5JFU9 | HIS4_THEKO | Thermococcus kodakarensis (strain ATCC BAA-918 / JCM 12380 / KOD1) (Pyrococcus kodakaraensis (strain KOD1)) | hisA TK0247 | Detail |
| A9WD26 | HIS4_CHLAA | Chloroflexus aurantiacus (strain ATCC 29366 / DSM 635 / J-10-fl) | hisA Caur_0344 | Detail |
| Q1LIB1 | HIS4_CUPMC | Cupriavidus metallidurans (strain ATCC 43123 / DSM 2839 / NBRC 102507 / CH34) (Ralstonia metallidurans) | hisA Rmet_3243 | Detail |
| Q0A5D2 | HIS4_ALKEH | Alkalilimnicola ehrlichii (strain ATCC BAA-1101 / DSM 17681 / MLHE-1) | hisA Mlg_2615 | Detail |
| A6VQ73 | HIS4_ACTSZ | Actinobacillus succinogenes (strain ATCC 55618 / DSM 22257 / 130Z) | hisA Asuc_1768 | Detail |
| B0JGL3 | HIS4_MICAN | Microcystis aeruginosa (strain NIES-843) | hisA MAE_54570 | Detail |