| P16622 | HEMH_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | HEM15 YOR176W | Detail |
| B2SDE2 | HEMH_FRATM | Francisella tularensis subsp. mediasiatica (strain FSC147) | hemH FTM_1306 | Detail |
| Q65SV7 | HEMH_MANSM | Mannheimia succiniciproducens (strain MBEL55E) | hemH MS1346 | Detail |
| P24427 | NIFB_RHILT | Rhizobium leguminosarum bv. trifolii | nifB | Detail |
| A2C0Y4 | HEMH_PROM1 | Prochlorococcus marinus (strain NATL1A) | hemH NATL1_05821 | Detail |
| Q62HD1 | HEMH_BURMA | Burkholderia mallei (strain ATCC 23344) | hemH BMA2330 | Detail |
| A0PNU6 | HEMH_MYCUA | Mycobacterium ulcerans (strain Agy99) | hemH MUL_1493 | Detail |
| Q6NBF3 | HEMH_RHOPA | Rhodopseudomonas palustris (strain ATCC BAA-98 / CGA009) | hemH RPA0875 | Detail |
| O59786 | HEMH_SCHPO | Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast) | hem15 SPCC320.09 | Detail |
| Q9CBM2 | HEMH_MYCLE | Mycobacterium leprae (strain TN) | hemH hemZ ML1805 | Detail |