| Q82E77 | HEM1_STRAW | Streptomyces avermitilis (strain ATCC 31267 / DSM 46492 / JCM 5070 / NBRC 14893 / NCIMB 12804 / NRRL 8165 / MA-4680) | hemA SAV_4739 | Detail |
| A3CL77 | HEM1_STRSV | Streptococcus sanguinis (strain SK36) | hemA SSA_0484 | Detail |
| A9BAR3 | HEM1_PROM4 | Prochlorococcus marinus (strain MIT 9211) | hemA P9211_09941 | Detail |
| B3FWS5 | HPM9_HYPSB | Hypomyces subiculosus (Nectria subiculosa) | hpm9 | Detail |
| P0A6X2 | HEM1_ECO57 | Escherichia coli O157:H7 | hemA Z1981 ECs1715 | Detail |
| Q96VH4 | HBN1_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | HBN1 YCL026C-B YCL027C-A | Detail |
| Q4W9F7 | ICSA_ASPFU | Neosartorya fumigata (strain ATCC MYA-4609 / Af293 / CBS 101355 / FGSC A1100) (Aspergillus fumigatus) | icsA AFUA_4G01370 | Detail |
| B1YJV2 | HEM1_EXIS2 | Exiguobacterium sibiricum (strain DSM 17290 / JCM 13490 / 255-15) | hemA Exig_2138 | Detail |
| Q5KYR4 | IOLA2_GEOKA | Geobacillus kaustophilus (strain HTA426) | iolA2 GK1887 | Detail |
| Q50233 | MAUG_METME | Methylophilus methylotrophus (Bacterium W3A1) | mauG | Detail |