| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2I5W-CA-1 | CA | Ca²⁺ | C2V1 | CYS.DC.VAL. | CYS.DC.VAL. | ✘ | 3 | 3 | 2 | ✔ |