| B0VPB7 | HIS4_ACIBS | Acinetobacter baumannii (strain SDF) | hisA ABSDF0237 | Detail |
| B0SDS6 | HIS4_LEPBA | Leptospira biflexa serovar Patoc (strain Patoc 1 / Ames) | hisA LBF_0843 | Detail |
| B3GZH2 | HIS4_ACTP7 | Actinobacillus pleuropneumoniae serotype 7 (strain AP76) | hisA APP7_2113 | Detail |
| Q8F9R5 | HIS4_LEPIN | Leptospira interrogans serogroup Icterohaemorrhagiae serovar Lai (strain 56601) | hisA LA_0126 | Detail |
| P58790 | HIS4_AGRFC | Agrobacterium fabrum (strain C58 / ATCC 33970) (Agrobacterium tumefaciens (strain C58)) | hisA Atu0040 AGR_C_63 | Detail |
| Q2VYI9 | HIS4_MAGSA | Magnetospirillum magneticum (strain AMB-1 / ATCC 700264) | hisA amb4532 | Detail |
| Q603K2 | HIS4_METCA | Methylococcus capsulatus (strain ATCC 33009 / NCIMB 11132 / Bath) | hisA MCA2803 | Detail |
| A1ACN6 | HIS4_ECOK1 | Escherichia coli O1:K1 / APEC | hisA Ecok1_19320 APECO1_1121 | Detail |
| A6US29 | HIS4_METVS | Methanococcus vannielii (strain ATCC 35089 / DSM 1224 / JCM 13029 / OCM 148 / SB) | hisA Mevan_1405 | Detail |
| A6GY76 | HIS4_FLAPJ | Flavobacterium psychrophilum (strain JIP02/86 / ATCC 49511) | hisA FP0955 | Detail |