| P38489 | NFSB_ECOLI | Escherichia coli (strain K12) | nfsB dprA nfnB nfsI ntr b0578 JW0567 | Detail |
| A0A142C7A5 | PHNG_PENHR | Penicillium herquei | phnG | Detail |
| Q6PAY8 | HSDL2_XENLA | Xenopus laevis (African clawed frog) | hsdl2 | Detail |
| A1BHD5 | HEM1_CHLPD | Chlorobium phaeobacteroides (strain DSM 266) | hemA Cpha266_1795 | Detail |
| A7X393 | HEM1_STAA1 | Staphylococcus aureus (strain Mu3 / ATCC 700698) | hemA SAHV_1659 | Detail |
| B0JKN4 | HEM1_MICAN | Microcystis aeruginosa (strain NIES-843) | hemA MAE_30010 | Detail |
| A4QB58 | HEM1_CORGB | Corynebacterium glutamicum (strain R) | hemA cgR_0488 | Detail |
| O69108 | HEM1_PAEMA | Paenibacillus macerans (Bacillus macerans) | hemA | Detail |
| P95525 | HEM1_PASMU | Pasteurella multocida (strain Pm70) | hemA gltX1 PM0684 | Detail |
| Q7U769 | HEM1_SYNPX | Synechococcus sp. (strain WH8102) | hemA SYNW1117 | Detail |