| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5MDO-NA-1 | NA | Na⁺ | D1G2N1 | ASN.ASP.GLY. | ASN.ASP.GLY.HOH. | ✔ | 4 | 6 | 2 | ✘ |
| 5MDO-NA-2 | NA | Na⁺ | D1G2N1 | ASN.ASP.GLY. | ASP.GLY.HOH.PRO. | ✔ | 4 | 6 | 2 | ✘ |
| 5MDO-NA-3 | NA | Na⁺ | D1G2N1 | ASN.ASP.GLY. | ASN.ASP.GLY.HOH. | ✔ | 4 | 6 | 2 | ✘ |
| 5MDR-NA-1 | NA | Na⁺ | D1G2N1 | ASN.ASP.GLY. | ASN.ASP.GLY.HOH. | ✔ | 4 | 6 | 2 | ✔ |
| 5MDR-NA-2 | NA | Na⁺ | D1G2N1 | ASN.ASP.GLY. | ASP.GLY.HOH.PRO. | ✔ | 4 | 6 | 2 | ✘ |
| 5MDR-NA-3 | NA | Na⁺ | D1G2N1 | ASN.ASP.GLY. | ASN.ASP.GLY.HOH. | ✔ | 4 | 6 | 2 | ✘ |
| 7EQR-NA-1 | NA | Na⁺ | D1G2N1 | ASN.ASP.GLY. | ASN.ASP.GLY. | ✔ | 4 | 4 | 2 | ✔ |
| 7EQR-NA-2 | NA | Na⁺ | D1G2N1 | ASN.ASP.GLY. | ASN.ASP.GLY. | ✔ | 4 | 4 | 2 | ✘ |