| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5D61-CA-3 | CA | Ca²⁺ | A1D3L1 | ALA.ASP.LEU. | ALA.ASP.HOH.LEU. | ✘ | 5 | 6 | 3 | ✔ |
| 5D61-CA-4 | CA | Ca²⁺ | A1D3L1 | ALA.ASP.LEU. | ALA.ASP.HOH.LEU. | ✘ | 5 | 6 | 3 | ✘ |
| 5D63-CA-3 | CA | Ca²⁺ | A1D3L1 | ALA.ASP.LEU. | ALA.ASP.HOH.LEU. | ✘ | 5 | 6 | 3 | ✔ |
| 5D63-CA-4 | CA | Ca²⁺ | A1D3L1 | ALA.ASP.LEU. | ALA.ASP.HOH.LEU. | ✘ | 5 | 6 | 3 | ✘ |