| Q0C639 | HIS4_HYPNA | Hyphomonas neptunium (strain ATCC 15444) | hisA HNE_0070 | Detail |
| Q039B4 | HIS4_LACP3 | Lactobacillus paracasei (strain ATCC 334 / BCRC 17002 / CIP 107868 / KCTC 3260 / NRRL B-441) | hisA LSEI_1430 | Detail |
| Q8ESS1 | HIS4_OCEIH | Oceanobacillus iheyensis (strain DSM 14371 / CIP 107618 / JCM 11309 / KCTC 3954 / HTE831) | hisA OB0548 | Detail |
| A3PI63 | HIS4_RHOS1 | Rhodobacter sphaeroides (strain ATCC 17029 / ATH 2.4.9) | hisA Rsph17029_0918 | Detail |
| Q13TQ9 | HIS4_PARXL | Paraburkholderia xenovorans (strain LB400) | hisA Bxeno_A3992 Bxe_A0403 | Detail |
| Q3B287 | HIS4_PELLD | Pelodictyon luteolum (strain DSM 273 / 2530) (Chlorobium luteolum) | hisA Plut_1690 | Detail |
| A1ATI1 | HIS4_PELPD | Pelobacter propionicus (strain DSM 2379 / NBRC 103807 / OttBd1) | hisA Ppro_3056 | Detail |
| A8LX58 | HIS4_SALAI | Salinispora arenicola (strain CNS-205) | hisA Sare_3416 | Detail |
| A2CAH8 | HIS4_PROM3 | Prochlorococcus marinus (strain MIT 9303) | hisA P9303_17461 | Detail |
| Q4ZLQ1 | HIS4_PSEU2 | Pseudomonas syringae pv. syringae (strain B728a) | hisA Psyr_4894 | Detail |