| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 4P2H-MN-1 | MN | Mn²⁺ | A1D2 | ASP.DA. | 1FZ.ASP.DA.HOH. | ✘ | 3 | 5 | 2 | ✔ |
| 8ICP-MN-1 | MN | Mn²⁺ | A1D2 | ASP.DA. | ASP.DA.DTP. | ✘ | 3 | 4 | 2 | ✔ |
| 2GE5-CA-1 | CA | Ca²⁺ | A1D2 | ASP.DA. | ASP.DA. | ✘ | 3 | 3 | 2 | ✘ |
| 1B94-CA-1 | CA | Ca²⁺ | A1D2 | ASP.DA. | ASP.DA.HOH. | ✘ | 3 | 6 | 2 | ✔ |
| 1B94-CA-2 | CA | Ca²⁺ | A1D2 | ASP.DA. | ASP.DA.HOH. | ✘ | 3 | 8 | 2 | ✔ |
| 1AZ0-CA-1 | CA | Ca²⁺ | A1D2 | ASP.DA. | ASP.DA.HOH. | ✘ | 3 | 6 | 2 | ✔ |
| 1AZ0-CA-2 | CA | Ca²⁺ | A1D2 | ASP.DA. | ASP.DA.HOH. | ✘ | 3 | 5 | 2 | ✘ |
| 1SX8-MN-1 | MN | Mn²⁺ | A1D2 | ASP.DA. | ASP.DA.HOH. | ✘ | 3 | 4 | 2 | ✔ |
| 1SX8-MN-2 | MN | Mn²⁺ | A1D2 | ASP.DA. | ASP.DA.HOH. | ✘ | 3 | 5 | 2 | ✘ |
| 6C66-FE-1 | FE | Fe³⁺ | A1D2 | ASP.DA. | ASP.DA. | ✘ | 3 | 3 | 2 | ✔ |
| 4QQW-FE-2 | FE | Fe³⁺ | A1D2 | ASP.DA. | ASP.DA. | ✘ | 3 | 3 | 2 | ✔ |
| 4QQW-FE-4 | FE | Fe³⁺ | A1D2 | ASP.DA. | ASP.DA. | ✘ | 3 | 3 | 2 | ✔ |
| 4QQX-FE-2 | FE | Fe³⁺ | A1D2 | ASP.DA. | ASP.DA. | ✘ | 3 | 3 | 2 | ✔ |
| 4QQX-FE-4 | FE | Fe³⁺ | A1D2 | ASP.DA. | ASP.DA. | ✘ | 3 | 3 | 2 | ✔ |
| 4QQY-FE-2 | FE | Fe³⁺ | A1D2 | ASP.DA. | ASP.DA. | ✘ | 3 | 3 | 2 | ✔ |
| 4QQY-FE-4 | FE | Fe³⁺ | A1D2 | ASP.DA. | ASP.DA. | ✘ | 3 | 3 | 2 | ✔ |
| 4QQZ-FE-2 | FE | Fe³⁺ | A1D2 | ASP.DA. | ASP.DA. | ✘ | 3 | 3 | 2 | ✔ |
| 4QQZ-FE-4 | FE | Fe³⁺ | A1D2 | ASP.DA. | ASP.DA. | ✘ | 3 | 3 | 2 | ✔ |
| 1BEX-CU-1 | CU | Cu²⁺ | A1D2 | ALA.ASP. | ALA.ASP.HOH. | ✔ | 3 | 4 | 2 | ✔ |
| 1BEX-CU-2 | CU | Cu²⁺ | A1D2 | ALA.ASP. | ALA.ASP.HOH. | ✔ | 3 | 4 | 2 | ✘ |