| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1YCE-NA-10 | NA | Na⁺ | E1Q1S1V1 | GLN.GLU.SER.VAL. | GLN.GLU.SER.VAL. | ✔ | 4 | 4 | 2 | ✘ |
| 1YCE-NA-11 | NA | Na⁺ | E1Q1S1V1 | GLN.GLU.SER.VAL. | GLN.GLU.SER.VAL. | ✔ | 4 | 4 | 2 | ✘ |