| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 7PHH-K-1 | K | K⁺ | T4 | THR. | THR. | ✔ | 4 | 4 | 4 | ✔ |
| 7OQ2-K-1 | K | K⁺ | T4 | THR. | THR. | ✔ | 4 | 4 | 4 | ✘ |
| 7OQ1-K-2 | K | K⁺ | T4 | THR. | THR. | ✔ | 4 | 4 | 4 | ✘ |
| 7OOR-K-1 | K | K⁺ | T4 | THR. | THR. | ✔ | 4 | 4 | 4 | ✘ |
| 7RP0-K-6 | K | K⁺ | T4 | THR. | THR. | ✔ | 4 | 4 | 4 | ✔ |
| 7PQT-K-3 | K | K⁺ | T4 | THR. | THR. | ✔ | 4 | 4 | 4 | ✔ |
| 7XNN-K-3 | K | K⁺ | T4 | THR. | THR. | ✔ | 4 | 4 | 4 | ✘ |
| 7XNL-K-4 | K | K⁺ | T4 | THR. | THR. | ✔ | 4 | 4 | 4 | ✔ |
| 7XNK-K-4 | K | K⁺ | T4 | THR. | THR. | ✔ | 4 | 4 | 4 | ✔ |
| 7OPH-K-1 | K | K⁺ | T4 | THR. | THR. | ✔ | 4 | 4 | 4 | ✔ |
| 7WSW-K-2 | K | K⁺ | T4 | THR. | THR. | ✔ | 4 | 4 | 4 | ✔ |
| 7FCV-K-3 | K | K⁺ | T4 | THR. | THR. | ✔ | 4 | 4 | 4 | ✔ |
| 7WF4-K-3 | K | K⁺ | T4 | THR. | THR. | ✔ | 4 | 4 | 4 | ✔ |
| 7VNP-K-4 | K | K⁺ | T4 | THR. | THR. | ✔ | 4 | 4 | 4 | ✔ |
| 7VNR-K-1 | K | K⁺ | T4 | THR. | THR. | ✔ | 4 | 4 | 4 | ✘ |
| 7MDJ-K-1 | K | K⁺ | T4 | THR. | THR. | ✔ | 4 | 4 | 4 | ✘ |
| 7MDJ-K-2 | K | K⁺ | T4 | THR. | HOH. | ✔ | 4 | 4 | 4 | ✔ |
| 7MDJ-K-3 | K | K⁺ | T4 | THR. | HOH.THR. | ✔ | 4 | 8 | 4 | ✘ |
| 7UK5-K-1 | K | K⁺ | T4 | THR. | THR. | ✔ | 4 | 4 | 4 | ✔ |
| 7UKD-K-1 | K | K⁺ | T4 | THR. | THR. | ✔ | 4 | 4 | 4 | ✘ |