| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2QM2-NA-1 | NA | Na⁺ | E1I1L1 | GLU.ILE.LEU. | GLU.HOH.ILE.LEU. | ✔ | 3 | 5 | 2 | ✔ |