| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 7XEE-NA-2 | NA | Na⁺ | A3I1N1 | ALA.ASN.ILE. | ALA.ASN.HOH.ILE. | ✔ | 5 | 6 | 2 | ✔ |
| 7XEE-NA-3 | NA | Na⁺ | A3I1N1 | ALA.ASN.ILE. | ALA.ASN.HOH.ILE. | ✔ | 5 | 6 | 2 | ✘ |
| 7XEF-NA-2 | NA | Na⁺ | A3I1N1 | ALA.ASN.ILE. | ALA.ASN.HOH.ILE. | ✔ | 5 | 6 | 2 | ✔ |