| Q67KH9 | HIS4_SYMTH | Symbiobacterium thermophilum (strain T / IAM 14863) | hisA STH2834 | Detail |
| Q02EM5 | HIS4_PSEAB | Pseudomonas aeruginosa (strain UCBPP-PA14) | hisA PA14_67890 | Detail |
| Q9HU43 | HIS4_PSEAE | Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1) | hisA PA5141 | Detail |
| Q57AH4 | HIS4_BRUAB | Brucella abortus biovar 1 (strain 9-941) | hisA BruAb1_2059 | Detail |
| Q0BIW5 | HIS4_BURCM | Burkholderia ambifaria (strain ATCC BAA-244 / AMMD) (Burkholderia cepacia (strain AMMD)) | hisA Bamb_0348 | Detail |
| B0TDM8 | HIS4_HELMI | Heliobacterium modesticaldum (strain ATCC 51547 / Ice1) | hisA Helmi_29280 HM1_3046 | Detail |
| A1BDS2 | HIS4_CHLPD | Chlorobium phaeobacteroides (strain DSM 266) | hisA Cpha266_0492 | Detail |
| A4G9I7 | HIS4_HERAR | Herminiimonas arsenicoxydans | hisA HEAR3065 | Detail |
| B2UX21 | HIS4_CLOBA | Clostridium botulinum (strain Alaska E43 / Type E3) | hisA CLH_2626 | Detail |
| Q6AE15 | HIS4_LEIXX | Leifsonia xyli subsp. xyli (strain CTCB07) | hisA Lxx15830 | Detail |