| Q65RB2 | HIS82_MANSM | Mannheimia succiniciproducens (strain MBEL55E) | hisC2 MS1891 | Detail |
| Q4FP52 | HIS8_PELUB | Pelagibacter ubique (strain HTCC1062) | hisC SAR11_0216 | Detail |
| B4SGL8 | HIS8_PELPB | Pelodictyon phaeoclathratiforme (strain DSM 5477 / BU-1) | hisC Ppha_1156 | Detail |
| Q5LNM6 | HIS8_RUEPO | Ruegeria pomeroyi (strain ATCC 700808 / DSM 15171 / DSS-3) (Silicibacter pomeroyi) | hisC SPO3177 | Detail |
| Q9JJI6 | PIGO_MOUSE | Mus musculus (Mouse) | Pigo | Detail |
| B9MDV4 | HIS8_ACIET | Acidovorax ebreus (strain TPSY) (Diaphorobacter sp. (strain TPSY)) | hisC Dtpsy_0729 | Detail |
| Q84I51 | HIS8_BUCSC | Buchnera aphidicola subsp. Schlechtendalia chinensis | hisC | Detail |
| B3QP11 | HIS8_CHLP8 | Chlorobaculum parvum (strain NCIB 8327) (Chlorobium vibrioforme subsp. thiosulfatophilum (strain DSM 263 / NCIB 8327)) | hisC Cpar_1261 | Detail |
| Q9CLM3 | HIS81_PASMU | Pasteurella multocida (strain Pm70) | hisC1 hisC PM1199 | Detail |
| Q8FG51 | HIS8_ECOL6 | Escherichia coli O6:H1 (strain CFT073 / ATCC 700928 / UPEC) | hisC c2548 | Detail |