| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6CWO-MG-1 | MG | Mg²⁺ | N2 | ASN. | ASN. | ✔ | 2 | 2 | 2 | ✔ |
| 6CWQ-MG-1 | MG | Mg²⁺ | N2 | ASN. | ASN.HOH. | ✔ | 2 | 5 | 2 | ✘ |
| 5EYF-MG-1 | MG | Mg²⁺ | N2 | ASN. | ASN.HOH. | ✔ | 2 | 6 | 2 | ✔ |
| 4LEP-ZN-1 | ZN | Zn²⁺ | N2 | ASN. | ASN. | ✔ | 2 | 2 | 2 | ✔ |
| 6G84-CA-1 | CA | Ca²⁺ | N2 | ASN. | ASN. | ✔ | 2 | 2 | 2 | ✔ |
| 6G84-CA-2 | CA | Ca²⁺ | N2 | ASN. | ASN. | ✔ | 2 | 2 | 2 | ✘ |
| 2OGA-NA-1 | NA | Na⁺ | N2 | ASN. | ASN.HOH. | ✔ | 2 | 6 | 2 | ✔ |
| 2OGA-NA-2 | NA | Na⁺ | N2 | ASN. | ASN.HOH. | ✔ | 2 | 6 | 2 | ✔ |
| 2OGE-NA-1 | NA | Na⁺ | N2 | ASN. | ASN.HOH. | ✔ | 2 | 6 | 2 | ✘ |
| 3GTD-NA-1 | NA | Na⁺ | N2 | ASN. | ASN.HOH. | ✔ | 2 | 6 | 2 | ✔ |
| 3GTD-NA-2 | NA | Na⁺ | N2 | ASN. | ASN.HOH. | ✔ | 2 | 6 | 2 | ✘ |
| 1UD5-RB-1 | RB | Rb⁺ | N2 | ASN. | ASN. | ✔ | 2 | 2 | 2 | ✔ |
| 1UD5-RB-2 | RB | Rb⁺ | N2 | ASN. | ASN. | ✔ | 2 | 2 | 2 | ✘ |
| 1UD5-RB-3 | RB | Rb⁺ | N2 | ASN. | ASN. | ✔ | 2 | 2 | 2 | ✔ |
| 1LK7-NA-1 | NA | Na⁺ | N2 | ASN. | ASN.HOH. | ✔ | 2 | 6 | 2 | ✘ |
| 1LK7-NA-2 | NA | Na⁺ | N2 | ASN. | ASN.HOH. | ✔ | 2 | 6 | 2 | ✘ |
| 1LK5-NA-1 | NA | Na⁺ | N2 | ASN. | ASN.HOH. | ✔ | 2 | 6 | 2 | ✔ |
| 1LK5-NA-2 | NA | Na⁺ | N2 | ASN. | ASN.HOH. | ✔ | 2 | 6 | 2 | ✘ |
| 2A2A-NA-1 | NA | Na⁺ | N2 | ASN. | ASN.HOH. | ✔ | 2 | 5 | 2 | ✔ |
| 2QGA-CA-1 | CA | Ca²⁺ | N2 | ASN. | HOH. | ✔ | 2 | 5 | 2 | ✔ |