| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5TC6-NA-1 | NA | Na⁺ | T3 | THR. | HOH.THR. | ✔ | 3 | 4 | 3 | ✔ |
| 1VE8-NA-1 | NA | Na⁺ | T3 | DT. | DT.HOH. | ✔ | 3 | 5 | 2 | ✔ |
| 1VMF-NA-1 | NA | Na⁺ | T3 | THR. | HOH.THR. | ✔ | 3 | 6 | 3 | ✔ |