| Q31AG5 | HIS5_PROM9 | Prochlorococcus marinus (strain MIT 9312) | hisH PMT9312_1071 | Detail |
| Q4ZLP9 | HIS5_PSEU2 | Pseudomonas syringae pv. syringae (strain B728a) | hisH Psyr_4896 | Detail |
| A9VLH7 | HIS6_BACMK | Bacillus mycoides (strain KBAB4) (Bacillus weihenstephanensis) | hisF BcerKBAB4_1332 | Detail |
| B9IUZ8 | HIS5_BACCQ | Bacillus cereus (strain Q1) | hisH BCQ_1481 | Detail |
| C5D7P0 | HIS5_GEOSW | Geobacillus sp. (strain WCH70) | hisH GWCH70_2977 | Detail |
| B2I0P3 | HIS6_ACIBC | Acinetobacter baumannii (strain ACICU) | hisF ACICU_03440 | Detail |
| B7JA19 | HIS6_ACIF2 | Acidithiobacillus ferrooxidans (strain ATCC 23270 / DSM 14882 / CIP 104768 / NCIMB 8455) (Ferrobacillus ferrooxidans (strain ATCC 23270)) | hisF AFE_3046 | Detail |
| P44340 | HIS5_HAEIN | Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd) | hisH HI_0472 | Detail |
| B9MDW3 | HIS6_ACIET | Acidovorax ebreus (strain TPSY) (Diaphorobacter sp. (strain TPSY)) | hisF Dtpsy_0738 | Detail |
| A9A5X0 | HIS6_NITMS | Nitrosopumilus maritimus (strain SCM1) | hisF Nmar_1552 | Detail |