| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2HRI-K-3 | K | K⁺ | G5 | DG. | DG. | ✔ | 5 | 5 | 2 | ✘ |
| 2AVJ-K-1 | K | K⁺ | G5 | DG. | DG. | ✔ | 5 | 5 | 2 | ✔ |
| 6FQ2-K-1 | K | K⁺ | G5 | DG. | DG. | ✔ | 5 | 5 | 2 | ✔ |
| 2HBN-TL-3 | TL | Tl⁺ | G5 | DG. | DG. | ✔ | 5 | 5 | 2 | ✘ |
| 7ZUR-K-1 | K | K⁺ | G5 | DG. | DG. | ✔ | 5 | 5 | 2 | ✔ |