| Q1CGW6 | HIS4_YERPN | Yersinia pestis bv. Antiqua (strain Nepal516) | hisA YPN_2436 YP516_2746 | Detail |
| Q722Y6 | HIS4_LISMF | Listeria monocytogenes serotype 4b (strain F2365) | hisA LMOf2365_0593 | Detail |
| A6UWA5 | HIS4_META3 | Methanococcus aeolicus (strain ATCC BAA-1280 / DSM 17508 / OCM 812 / Nankai-3) | hisA Maeo_1200 | Detail |
| A9BX71 | HIS4_DELAS | Delftia acidovorans (strain DSM 14801 / SPH-1) | hisA Daci_5518 | Detail |
| P26720 | HIS4_AZOBR | Azospirillum brasilense | hisA | Detail |
| A8FHR0 | HIS4_BACP2 | Bacillus pumilus (strain SAFR-032) | hisA BPUM_3123 | Detail |
| Q0BPX3 | HIS4_GRABC | Granulibacter bethesdensis (strain ATCC BAA-1260 / CGDNIH1) | hisA GbCGDNIH1_2231 | Detail |
| B5XPE3 | HIS4_KLEP3 | Klebsiella pneumoniae (strain 342) | hisA KPK_1685 | Detail |
| A1JTW2 | HIS4_YERE8 | Yersinia enterocolitica serotype O:8 / biotype 1B (strain NCTC 13174 / 8081) | hisA YE2770 | Detail |
| Q1C9R5 | HIS4_YERPA | Yersinia pestis bv. Antiqua (strain Antiqua) | hisA YPA_0839 | Detail |