| B0V8R7 | HIS4_ACIBY | Acinetobacter baumannii (strain AYE) | hisA ABAYE0250 | Detail |
| Q8A7Z5 | HIS4_BACTN | Bacteroides thetaiotaomicron (strain ATCC 29148 / DSM 2079 / NCTC 10582 / E50 / VPI-5482) | hisA BT_1379 | Detail |
| B9L7G2 | HIS4_NAUPA | Nautilia profundicola (strain ATCC BAA-1463 / DSM 18972 / AmH) | hisA NAMH_0133 | Detail |
| Q8XV84 | HIS4_RALSO | Ralstonia solanacearum (strain GMI1000) (Pseudomonas solanacearum) | hisA RSc2947 RS00139 | Detail |
| Q21U92 | HIS4_RHOFT | Rhodoferax ferrireducens (strain ATCC BAA-621 / DSM 15236 / T118) (Albidiferax ferrireducens) | hisA Rfer_2950 | Detail |
| B3Q950 | HIS4_RHOPT | Rhodopseudomonas palustris (strain TIE-1) | hisA Rpal_0314 | Detail |
| A4SV19 | HIS4_POLAQ | Polynucleobacter asymbioticus (strain DSM 18221 / CIP 109841 / QLW-P1DMWA-1) (Polynucleobacter necessarius subsp. asymbioticus) | hisA Pnuc_0111 | Detail |
| A9BAN4 | HIS4_PROM4 | Prochlorococcus marinus (strain MIT 9211) | hisA P9211_09651 | Detail |
| Q10184 | HIS4_SCHPO | Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast) | SPAC3F10.09 | Detail |
| Q7NMQ9 | HIS4_GLOVI | Gloeobacter violaceus (strain ATCC 29082 / PCC 7421) | hisA glr0706 | Detail |