| Id | Element | Ion | Binding family | Amino acids or nucleotide residues names | All bound residues | Is homomer | Number of bound amino acids or nucleotide residues | Number of all bound residues | Number of coordinating chains | Representative |
|---|---|---|---|---|---|---|---|---|---|---|
| 1MOJ-FE-2 | FE | Fe³⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 6 | 3 | ✘ |
| 1MOJ-FE-3 | FE | Fe³⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 6 | 3 | ✘ |
| 1MOJ-FE-4 | FE | Fe³⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 6 | 3 | ✘ |
| 7S8T-FE-4 | FE | Fe³⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 2 | ✔ |
| 7S8T-FE-6 | FE | Fe³⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 2 | ✘ |
| 7PPT-FE-2 | FE | Fe³⁺ | E3 | GLU. | GLU.OH. | ✔ | 3 | 4 | 2 | ✘ |
| 7PPT-FE-4 | FE | Fe³⁺ | E3 | GLU. | GLU.OH. | ✔ | 3 | 4 | 2 | ✘ |
| 7PPV-FE-2 | FE | Fe³⁺ | E3 | GLU. | GLU.OH. | ✔ | 3 | 4 | 2 | ✘ |
| 7PPV-FE-4 | FE | Fe³⁺ | E3 | GLU. | GLU.OH. | ✔ | 3 | 4 | 2 | ✘ |
| 7PPU-FE-2 | FE | Fe³⁺ | E3 | GLU. | GLU.OH. | ✔ | 3 | 4 | 2 | ✘ |
| 7PPU-FE-4 | FE | Fe³⁺ | E3 | GLU. | GLU.OH. | ✔ | 3 | 4 | 2 | ✘ |
| 7O8D-FE-1 | FE | Fe³⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 4 | 2 | ✘ |
| 7O8D-FE-2 | FE | Fe³⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 4 | 2 | ✔ |
| 7O8D-FE-3 | FE | Fe³⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 4 | 2 | ✘ |
| 7O8D-FE-4 | FE | Fe³⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 4 | 2 | ✔ |
| 7O8A-FE-1 | FE | Fe³⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 4 | 2 | ✘ |
| 7O8A-FE-2 | FE | Fe³⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 4 | 2 | ✘ |
| 7O8A-FE-3 | FE | Fe³⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 4 | 2 | ✘ |
| 7O8A-FE-4 | FE | Fe³⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 4 | 2 | ✘ |
| 7O8A-FE-5 | FE | Fe³⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 4 | 2 | ✘ |