| Q9K0H5 | HIS3_NEIMB | Neisseria meningitidis serogroup B (strain MC58) | hisI NMB0627 | Detail |
| A9A5W9 | HIS3_NITMS | Nitrosopumilus maritimus (strain SCM1) | hisI Nmar_1551 | Detail |
| Q9NQE9 | HINT3_HUMAN | Homo sapiens (Human) | HINT3 | Detail |
| Q3JN03 | HIS3_BURP1 | Burkholderia pseudomallei (strain 1710b) | hisI BURPS1710b_3686 | Detail |
| Q3ST00 | HIS3_NITWN | Nitrobacter winogradskyi (strain ATCC 25391 / DSM 10237 / CIP 104748 / NCIMB 11846 / Nb-255) | hisI Nwi_1330 | Detail |
| Q9HUB7 | HIS3_PSEAE | Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1) | hisI PA5066 | Detail |
| Q48PJ7 | HIS3_PSE14 | Pseudomonas savastanoi pv. phaseolicola (strain 1448A / Race 6) (Pseudomonas syringae pv. phaseolicola (strain 1448A / Race 6)) | hisI PSPPH_0369 | Detail |
| P9WLR1 | LIPZ_MYCTU | Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) | lipZ Rv1834 MTCY1A11.09c | Detail |
| Q8PLG5 | HIS2_XANAC | Xanthomonas axonopodis pv. citri (strain 306) | hisI hisIE XAC1835 | Detail |
| Q87QK5 | HIS2_VIBPA | Vibrio parahaemolyticus serotype O3:K6 (strain RIMD 2210633) | hisI hisIE VP1144 | Detail |