| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6FI8-CA-2 | CA | Ca²⁺ | E1I1K1 | GLU.ILE.LYS. | GLU.ILE.LYS. | ✔ | 3 | 3 | 2 | ✔ |