| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6DX0-NA-1 | NA | Na⁺ | A1D1G1 | ASP.DA.DG. | ASP.DA.DG. | ✘ | 3 | 3 | 3 | ✔ |
| 6DX0-NA-2 | NA | Na⁺ | A1D1G1 | ASP.DA.DG. | ASP.DA.DG. | ✘ | 3 | 3 | 3 | ✘ |
| 4FZX-NA-1 | NA | Na⁺ | A1D1G1 | ASP.DA.DG. | ASP.DA.DG.HOH. | ✘ | 3 | 6 | 2 | ✔ |
| 4FZY-NA-1 | NA | Na⁺ | A1D1G1 | ASP.DA.DG. | ASP.DA.DG.HOH. | ✘ | 3 | 6 | 2 | ✔ |
| 4FZZ-NA-1 | NA | Na⁺ | A1D1G1 | ASP.DA.DG. | ASP.DA.DG.HOH. | ✘ | 3 | 6 | 2 | ✘ |