| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3NCF-NA-1 | NA | Na⁺ | D1K1T1 | ASP.LYS.THR. | ASP.HOH.LYS.THR. | ✘ | 3 | 6 | 2 | ✔ |
| 6C5B-NA-1 | NA | Na⁺ | D1K1T1 | ASP.LYS.THR. | ASP.LYS.THR. | ✔ | 3 | 3 | 2 | ✔ |