| Q8UJ89 | HIS7_AGRFC | Agrobacterium fabrum (strain C58 / ATCC 33970) (Agrobacterium tumefaciens (strain C58)) | hisB Atu0043 AGR_C_69 | Detail |
| B4UDJ7 | HIS7_ANASK | Anaeromyxobacter sp. (strain K) | hisB AnaeK_0749 | Detail |
| C3L9Q0 | HIS7_BACAC | Bacillus anthracis (strain CDC 684 / NRRL 3495) | hisB BAMEG_3168 | Detail |
| B9MJR6 | HIS7_CALBD | Caldicellulosiruptor bescii (strain ATCC BAA-1888 / DSM 6725 / Z-1320) (Anaerocellum thermophilum) | hisB Athe_1476 | Detail |
| A8M909 | HIS7_CALMQ | Caldivirga maquilingensis (strain ATCC 700844 / DSM 13496 / JCM 10307 / IC-167) | hisB Cmaq_1402 | Detail |
| Q46915 | GUDX_ECOLI | Escherichia coli (strain K12) | gudX ygcY b2788 JW2759 | Detail |
| Q603K0 | HIS7_METCA | Methylococcus capsulatus (strain ATCC 33009 / NCIMB 11132 / Bath) | hisB MCA2805 | Detail |
| A9A756 | HIS7_METM6 | Methanococcus maripaludis (strain C6 / ATCC BAA-1332) | hisB MmarC6_0344 | Detail |
| P38790 | HTD2_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | HTD2 RMD12 YHR067W | Detail |
| Q2LVF5 | HIS7_SYNAS | Syntrophus aciditrophicus (strain SB) | hisB SYNAS_21850 SYN_03108 | Detail |