| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1ZOR-NA-1 | NA | Na⁺ | D3 | ASP. | ASP.HOH. | ✔ | 3 | 5 | 2 | ✔ |
| 1ZOR-NA-2 | NA | Na⁺ | D3 | ASP. | ASP.HOH. | ✔ | 3 | 5 | 2 | ✔ |
| 2GVH-NA-1 | NA | Na⁺ | D3 | ASP. | ASP. | ✔ | 3 | 3 | 3 | ✔ |
| 6X9H-NA-1 | NA | Na⁺ | D3 | ASP. | ASP. | ✔ | 3 | 3 | 3 | ✔ |
| 7CFS-NA-1 | NA | Na⁺ | D3 | ASP. | ASP. | ✔ | 3 | 3 | 3 | ✘ |
| 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 | ✘ |