| D9UNB2 | MAND_STRS3 | Streptomyces sp. (strain SPB78) | SSLG_02014 | Detail |
| Q5HCM1 | HIS7_STAAC | Staphylococcus aureus (strain COL) | hisB SACOL2700 | Detail |
| O94126 | HIS7_CYBJA | Cyberlindnera jadinii (Torula yeast) (Pichia jadinii) | HIS3 | Detail |
| O23346 | HIS5B_ARATH | Arabidopsis thaliana (Mouse-ear cress) | HISN5B At4g14910 dl3495c | Detail |
| A4J710 | HIS7_DESRM | Desulfotomaculum reducens (strain MI-1) | hisB Dred_2353 | Detail |
| C6E7F7 | HIS7_GEOSM | Geobacter sp. (strain M21) | hisB GM21_3798 | Detail |
| A5G8T2 | HIS7_GEOUR | Geobacter uraniireducens (strain Rf4) (Geobacter uraniumreducens) | hisB Gura_4056 | Detail |
| Q2SMB5 | HIS7_HAHCH | Hahella chejuensis (strain KCTC 2396) | hisB HCH_01342 | Detail |
| A1WW08 | HIS7_HALHL | Halorhodospira halophila (strain DSM 244 / SL1) (Ectothiorhodospira halophila (strain DSM 244 / SL1)) | hisB Hhal_1094 | Detail |
| A4G9I9 | HIS7_HERAR | Herminiimonas arsenicoxydans | hisB HEAR3067 | Detail |