| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5AJ3-ZN-2 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✘ | 4 | 4 | 2 | ✔ |
| 5AJ4-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✘ | 4 | 4 | 2 | ✔ |
| 5AJ4-ZN-2 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✘ | 4 | 4 | 2 | ✘ |
| 5AJ4-ZN-3 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✘ | 4 | 4 | 2 | ✔ |
| 5LF4-MG-1 | MG | Mg²⁺ | D2I1S1 | ASP.ILE.SER. | GLN.HOH. | ✘ | 4 | 6 | 2 | ✔ |
| 5LF4-MG-2 | MG | Mg²⁺ | D2S1T1 | ASP.SER.THR. | ASP.HOH.ILE.SER. | ✘ | 4 | 5 | 2 | ✔ |
| 5LF4-MG-3 | MG | Mg²⁺ | D2S1T1 | ASP.SER.THR. | ASP.HOH.SER.THR. | ✘ | 4 | 5 | 2 | ✔ |
| 5LF4-MG-4 | MG | Mg²⁺ | D2I1S1 | ASP.ILE.SER. | HOH. | ✘ | 4 | 6 | 2 | ✘ |
| 5E79-FE-1 | FE | Fe²⁺ | H4 | HIS. | HIS. | ✘ | 4 | 4 | 2 | ✔ |
| 5E79-FE-3 | FE | Fe²⁺ | H4 | HIS. | HIS. | ✘ | 4 | 4 | 2 | ✔ |
| 5FQ7-MG-1 | MG | Mg²⁺ | A2N1 | ALA.ASN. | ALA.ASN. | ✘ | 3 | 3 | 2 | ✔ |
| 5FQ7-MG-2 | MG | Mg²⁺ | A2N1 | ALA.ASN. | ALA.ASN. | ✘ | 3 | 3 | 2 | ✘ |
| 5OOM-ZN-1 | ZN | Zn²⁺ | C3 | CYS. | CYS. | ✘ | 3 | 3 | 2 | ✔ |
| 5OOL-ZN-1 | ZN | Zn²⁺ | C3 | CYS. | CYS. | ✘ | 3 | 3 | 2 | ✔ |
| 4G3Q-MG-1 | MG | Mg²⁺ | D3 | ASP. | ASP.HOH. | ✔ | 3 | 6 | 3 | ✔ |
| 6NLL-FE-2 | FE | Fe²⁺ | N4Q4 | ASN.GLN. | ASN.GLN. | ✔ | 8 | 8 | 4 | ✘ |
| 6NLL-FE-3 | FE | Fe²⁺ | N4Q4 | ASN.GLN. | ASN.GLN. | ✔ | 8 | 8 | 4 | ✘ |
| 6NLL-FE-4 | FE | Fe²⁺ | N4Q4 | ASN.GLN. | ASN.GLN. | ✔ | 8 | 8 | 4 | ✘ |
| 6NLL-FE-5 | FE | Fe²⁺ | N4Q4 | ASN.GLN. | ASN.GLN. | ✔ | 8 | 8 | 4 | ✘ |
| 6NLL-FE-6 | FE | Fe²⁺ | N4Q4 | ASN.GLN. | HEM. | ✔ | 8 | 2 | 4 | ✘ |