| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3I0W-NA-1 | NA | Na⁺ | C1F1K1V1 | DC.LYS.PHE.VAL. | DC.HOH.LYS.PHE.VAL. | ✘ | 4 | 6 | 2 | ✔ |
| 3I0X-NA-1 | NA | Na⁺ | C1F1K1V1 | DC.LYS.PHE.VAL. | DC.HOH.LYS.PHE.VAL. | ✘ | 4 | 6 | 2 | ✘ |