| A7GDQ5 | HIS4_CLOBL | Clostridium botulinum (strain Langeland / NCTC 10281 / Type F) | hisA CLI_1652 | Detail |
| A5IB92 | HIS4_LEGPC | Legionella pneumophila (strain Corby) | hisA LPC_0662 | Detail |
| Q03VX9 | HIS4_LEUMM | Leuconostoc mesenteroides subsp. mesenteroides (strain ATCC 8293 / NCDO 523) | hisA LEUM_1551 | Detail |
| Q8TU55 | HIS4_METAC | Methanosarcina acetivorans (strain ATCC 35395 / DSM 2834 / JCM 12185 / C2A) | hisA MA_0218 | Detail |
| Q2NHB3 | HIS4_METST | Methanosphaera stadtmanae (strain ATCC 43021 / DSM 3091 / JCM 11832 / MCB-3) | hisA Msp_0389 | Detail |
| Q7VC70 | HIS4_PROMA | Prochlorococcus marinus (strain SARG / CCMP1375 / SS120) | hisA Pro_0872 | Detail |
| Q48C80 | HIS4_PSE14 | Pseudomonas savastanoi pv. phaseolicola (strain 1448A / Race 6) (Pseudomonas syringae pv. phaseolicola (strain 1448A / Race 6)) | hisA PSPPH_4923 | Detail |
| C0Q1J8 | HIS4_SALPC | Salmonella paratyphi C (strain RKS4594) | hisA SPC_1636 | Detail |
| B4STP1 | HIS4_STRM5 | Stenotrophomonas maltophilia (strain R551-3) | hisA Smal_1761 | Detail |
| B8JDL2 | HIS4_ANAD2 | Anaeromyxobacter dehalogenans (strain 2CP-1 / ATCC BAA-258) | hisA A2cp1_0752 | Detail |