| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5CK6-K-1 | K | K⁺ | A1I1N1 | ALA.ASN.ILE. | ALA.ASN.ILE. | ✔ | 3 | 3 | 2 | ✔ |