| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6XKG-NA-1 | NA | Na⁺ | D1T1X2 | ASP.IDS.SGN.THR. | ASP.IDS.SGN.THR. | ✘ | 4 | 4 | 2 | ✔ |
| 6XL8-NA-1 | NA | Na⁺ | D1T1X2 | ASP.GNS.IDS.THR. | ASP.GNS.IDS.THR. | ✘ | 4 | 4 | 2 | ✔ |
| 1T8U-NA-1 | NA | Na⁺ | D1T1X2 | ASP.IDS.SGN.THR. | ASP.IDS.SGN.THR. | ✘ | 4 | 4 | 2 | ✔ |
| 1T8U-NA-2 | NA | Na⁺ | D1T1X2 | ASP.IDS.SGN.THR. | ASP.IDS.SGN.THR. | ✘ | 4 | 4 | 2 | ✔ |