| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3NV0-NA-1 | NA | Na⁺ | Y2 | TYR. | HOH.TYR. | ✘ | 2 | 3 | 2 | ✔ |
| 6V64-NA-1 | NA | Na⁺ | Y2 | TYR. | HOH.TYR. | ✘ | 2 | 3 | 2 | ✘ |
| 7PGI-NA-1 | NA | Na⁺ | Y2 | TYR. | TYR. | ✔ | 2 | 2 | 2 | ✔ |