| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2GWS-NA-1 | NA | Na⁺ | G3 | DG. | HOH. | ✘ | 3 | 6 | 2 | ✔ |
| 4QFE-NA-1 | NA | Na⁺ | G3 | GLY. | GLY.HOH. | ✔ | 3 | 5 | 3 | ✔ |
| 6JJG-NA-1 | NA | Na⁺ | G3 | DG. | DG. | ✔ | 3 | 3 | 2 | ✔ |
| 3NYP-K-1 | K | K⁺ | G3 | DG. | DG. | ✔ | 3 | 3 | 2 | ✘ |
| 3QCR-K-1 | K | K⁺ | G3 | DG. | DG. | ✔ | 3 | 3 | 2 | ✔ |
| 3QCR-K-2 | K | K⁺ | G3 | DG. | DG. | ✔ | 3 | 3 | 2 | ✘ |
| 5HIX-K-1 | K | K⁺ | G3 | DG. | DG. | ✔ | 3 | 3 | 2 | ✘ |
| 5HIX-K-4 | K | K⁺ | G3 | DG. | DG. | ✔ | 3 | 3 | 2 | ✘ |
| 4HGZ-LI-1 | LI | Li⁺ | G3 | GLY. | GLY. | ✔ | 3 | 3 | 3 | ✔ |
| 6IZ0-CA-1 | CA | Ca²⁺ | G3 | GLY. | GLY.HOH. | ✔ | 3 | 7 | 3 | ✔ |
| 6IYX-CA-1 | CA | Ca²⁺ | G3 | GLY. | GLY.HOH. | ✔ | 3 | 7 | 3 | ✔ |
| 6IZ1-CA-1 | CA | Ca²⁺ | G3 | GLY. | GLY.HOH. | ✔ | 3 | 7 | 3 | ✘ |