| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6S96-NA-1 | NA | Na⁺ | H2N2P2 | ASN.HIS.PRO. | ASN.HIS.PRO. | ✔ | 6 | 6 | 2 | ✘ |