| Q2FN13 | HIS7_METHJ | Methanospirillum hungatei JF-1 (strain ATCC 27890 / DSM 864 / NBRC 100397 / JF-1) | hisB Mhun_0920 | Detail |
| B1XSV0 | HIS7_POLNS | Polynucleobacter necessarius subsp. necessarius (strain STIR1) | hisB Pnec_0108 | Detail |
| A3PI66 | HIS7_RHOS1 | Rhodobacter sphaeroides (strain ATCC 17029 / ATH 2.4.9) | hisB Rsph17029_0921 | Detail |
| B8E2C5 | HIS7_DICTD | Dictyoglomus turgidum (strain Z-1310 / DSM 6724) | hisB Dtur_1123 | Detail |
| B3E4Y5 | HIS7_GEOLS | Geobacter lovleyi (strain ATCC BAA-1151 / DSM 17278 / SZ) | hisB Glov_0825 | Detail |
| P60885 | HIS7_GEOSL | Geobacter sulfurreducens (strain ATCC 51573 / DSM 12127 / PCA) | hisB GSU3098 | Detail |
| C5D7P1 | HIS7_GEOSW | Geobacillus sp. (strain WCH70) | hisB GWCH70_2978 | Detail |
| A3DJF3 | HIS7_HUNT2 | Hungateiclostridium thermocellum (strain ATCC 27405 / DSM 1237 / JCM 9322 / NBRC 103400 / NCIMB 10682 / NRRL B-4536 / VPI 7372) (Clostridium thermocellum) | hisB Cthe_2884 | Detail |
| Q0C636 | HIS7_HYPNA | Hyphomonas neptunium (strain ATCC 15444) | hisB HNE_0073 | Detail |
| Q28NK7 | HIS7_JANSC | Jannaschia sp. (strain CCS1) | hisB Jann_2788 | Detail |