| Q1LIB4 | HIS2_CUPMC | Cupriavidus metallidurans (strain ATCC 43123 / DSM 2839 / NBRC 102507 / CH34) (Ralstonia metallidurans) | hisE Rmet_3240 | Detail |
| A0AG13 | HIS2_LISW6 | Listeria welshimeri serovar 6b (strain ATCC 35897 / DSM 20650 / SLCC5334) | hisE lwe0527 | Detail |
| C3MQI3 | HIS2_SULIL | Sulfolobus islandicus (strain L.S.2.15 / Lassen #1) | hisE LS215_1642 | Detail |
| Q3SWF2 | HIS2_NITWN | Nitrobacter winogradskyi (strain ATCC 25391 / DSM 10237 / CIP 104748 / NCIMB 11846 / Nb-255) | hisE Nwi_0121 | Detail |
| P9WNR5 | ECCB2_MYCTU | Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) | eccB2 Rv3895c | Detail |
| A3CWF5 | HIS2_METMJ | Methanoculleus marisnigri (strain ATCC 35101 / DSM 1498 / JR1) | hisE Memar_1779 | Detail |
| B8ZRE4 | HIS2_MYCLB | Mycobacterium leprae (strain Br4923) | hisE MLBr01309 | Detail |
| Q2GXW1 | GET3_CHAGB | Chaetomium globosum (strain ATCC 6205 / CBS 148.51 / DSM 1962 / NBRC 6347 / NRRL 1970) (Soil fungus) | GET3 CHGG_07193 | Detail |
| A5DGM1 | GET3_PICGU | Meyerozyma guilliermondii (strain ATCC 6260 / CBS 566 / DSM 6381 / JCM 1539 / NBRC 10279 / NRRL Y-324) (Yeast) (Candida guilliermondii) | GET3 PGUG_02422 | Detail |
| Q85FG3 | MNME_CYAM1 | Cyanidioschyzon merolae (strain 10D) (Red alga) | mnmE thdF | Detail |