| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 4R44-K-1 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 4 | ✘ |
| 4R44-K-4 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 4 | ✘ |
| 4R44-K-5 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 4 | ✔ |
| 4R44-K-6 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 4 | ✘ |
| 3ERU-K-1 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 3ERU-K-2 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 3ES0-K-1 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 3ES0-K-2 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 3NZ7-K-1 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✔ |
| 3NZ7-K-2 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 3EQW-K-2 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 4P1D-K-1 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 4P1D-K-2 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✔ |
| 4H29-K-1 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 4H29-K-2 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 4H29-K-5 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 3ET8-K-1 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 3EUM-K-1 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 3EUM-K-2 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 3EUI-K-1 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |