| A3PCK5 | HIS4_PROM0 | Prochlorococcus marinus (strain MIT 9301) | hisA P9301_08571 | Detail |
| Q12FC8 | HIS4_POLSJ | Polaromonas sp. (strain JS666 / ATCC BAA-500) | hisA Bpro_0808 | Detail |
| B4S4Z8 | HIS4_PROA2 | Prosthecochloris aestuarii (strain DSM 271 / SK 413) | hisA Paes_0439 | Detail |
| Q2FUU2 | HIS4_STAA8 | Staphylococcus aureus (strain NCTC 8325) | hisA SAOUHSC_03009 | Detail |
| P64360 | HIS4_STAAN | Staphylococcus aureus (strain N315) | hisA SA2466 | Detail |
| Q82AA1 | HIS4_STRAW | Streptomyces avermitilis (strain ATCC 31267 / DSM 46492 / JCM 5070 / NBRC 14893 / NCIMB 12804 / NRRL 8165 / MA-4680) | priA hisA SAV_6158 | Detail |
| Q0RFX1 | HIS4_FRAAA | Frankia alni (strain ACN14a) | hisA FRAAL4977 | Detail |
| Q3KJI6 | HIS4_PSEPF | Pseudomonas fluorescens (strain Pf0-1) | hisA Pfl01_0326 | Detail |
| A9M2Q6 | HIS4_NEIM0 | Neisseria meningitidis serogroup C (strain 053442) | hisA NMCC_0577 | Detail |
| Q3Z0G1 | HIS4_SHISS | Shigella sonnei (strain Ss046) | hisA SSON_2095 | Detail |