| Q46CW9 | HIS7_METBF | Methanosarcina barkeri (strain Fusaro / DSM 804) | hisB Mbar_A1310 | Detail |
| B3DQA1 | HIS7_BIFLD | Bifidobacterium longum (strain DJO10A) | hisB BLD_0154 | Detail |
| A4YJV1 | HIS7_BRASO | Bradyrhizobium sp. (strain ORS 278) | hisB BRADO0212 | Detail |
| B5QBD4 | DGD_SALVI | Salmonella virchow | SeV_A0456 | Detail |
| Q21NH8 | HIS7_SACD2 | Saccharophagus degradans (strain 2-40 / ATCC 43961 / DSM 17024) | hisB Sde_0487 | Detail |
| Q10XT3 | CPXS2_TRIEI | Trichodesmium erythraeum (strain IMS101) | cpcS2 Tery_3908 | Detail |
| Q02426 | CPXT_SYNPZ | Synechococcus sp. (strain WH8103) | cpcT | Detail |
| P64371 | HIS7_NEIMB | Neisseria meningitidis serogroup B (strain MC58) | hisB NMB1583 | Detail |
| Q8FHC7 | MAND_ECOL6 | Escherichia coli O6:H1 (strain CFT073 / ATCC 700928 / UPEC) | rspA c1971 | Detail |
| Q7V4R6 | HIS7_PROMM | Prochlorococcus marinus (strain MIT 9313) | hisB PMT_1880 | Detail |