| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 7KLD-CA-5 | CA | Ca²⁺ | E2I1N1 | ASN.GLU.ILE. | ASN.GLU.HOH.ILE. | ✔ | 4 | 5 | 2 | ✔ |
| 7KLD-CA-6 | CA | Ca²⁺ | E2I1N1 | ASN.GLU.ILE. | ASN.GLU.HOH.ILE. | ✔ | 4 | 5 | 2 | ✔ |