| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 7R2U-CU-1 | CU | Cu²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✔ |
| 7R2U-CU-2 | CU | Cu²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✔ |
| 7R2U-CU-3 | CU | Cu²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |
| 7XH9-K-1 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✔ |
| 7XH9-K-2 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 7XH9-K-3 | K | K⁺ | G8 | DG. | DG. | ✔ | 8 | 8 | 2 | ✘ |
| 7QWI-NA-1 | NA | Na⁺ | D3 | ASP. | ASN.ASP.HOH. | ✔ | 3 | 5 | 3 | ✔ |
| 7QWI-NA-2 | NA | Na⁺ | D3 | ASP. | ASN.ASP.HOH. | ✔ | 3 | 5 | 3 | ✘ |
| 7QWI-NA-3 | NA | Na⁺ | D3 | ASP. | ASN.ASP.HOH. | ✔ | 3 | 5 | 3 | ✘ |
| 7QWI-NA-4 | NA | Na⁺ | D3 | ASP. | ASN.ASP.HOH. | ✔ | 3 | 4 | 3 | ✘ |