| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3QSF-K-1 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✔ |
| 3QSF-K-2 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 3QSC-K-1 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✔ |
| 2GWE-K-1 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 2HRI-K-1 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✔ |
| 2AVJ-K-2 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 2AVJ-K-3 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 2KAZ-K-2 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✔ |
| 4R45-K-1 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 4R45-K-2 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 4R45-K-4 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 5CDB-K-1 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 5CDB-K-2 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 6WCK-K-1 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 5UA3-K-1 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✔ |
| 1L1H-K-1 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 1L1H-K-2 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 6N65-K-1 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✔ |
| 6Q6R-K-1 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✔ |
| 6Q6R-K-2 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |