| B3PGA4 | HIS6_CELJU | Cellvibrio japonicus (strain Ueda107) (Pseudomonas fluorescens subsp. cellulosa) | hisF CJA_0159 | Detail |
| Q5MZ63 | HIS5_SYNP6 | Synechococcus sp. (strain ATCC 27144 / PCC 6301 / SAUG 1402/1) (Anacystis nidulans) | hisH syc2467_c | Detail |
| Q8R883 | HIS5_CALS4 | Caldanaerobacter subterraneus subsp. tengcongensis (strain DSM 15242 / JCM 11007 / NBRC 100824 / MB4) (Thermoanaerobacter tengcongensis) | hisH TTE2135 | Detail |
| Q5JFV0 | HIS5_THEKO | Thermococcus kodakarensis (strain ATCC BAA-918 / JCM 12380 / KOD1) (Pyrococcus kodakaraensis (strain KOD1)) | hisH TK0246 | Detail |
| Q9X0C8 | HIS5_THEMA | Thermotoga maritima (strain ATCC 43589 / MSB8 / DSM 3109 / JCM 10099) | hisH TM_1038 | Detail |
| Q9A231 | HIS5_CAUVC | Caulobacter vibrioides (strain ATCC 19089 / CB15) (Caulobacter crescentus) | hisH CC_3735 | Detail |
| A3CT78 | HIS6_METMJ | Methanoculleus marisnigri (strain ATCC 35101 / DSM 1498 / JR1) | hisF Memar_0645 | Detail |
| A2SE09 | HIS6_METPP | Methylibium petroleiphilum (strain ATCC BAA-1232 / LMG 22953 / PM1) | hisF Mpe_A0836 | Detail |
| A8LX55 | HIS6_SALAI | Salinispora arenicola (strain CNS-205) | hisF Sare_3413 | Detail |
| O27398 | HIS6_METTH | Methanothermobacter thermautotrophicus (strain ATCC 29096 / DSM 1053 / JCM 10044 / NBRC 100330 / Delta H) (Methanobacterium thermoautotrophicum) | hisF MTH_1343 | Detail |