| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 4RDQ-CA-1 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN.HOH. | ✔ | 5 | 6 | 2 | ✔ |
| 4RDQ-CA-2 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN.HOH. | ✔ | 5 | 6 | 2 | ✔ |
| 4RDQ-CA-3 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN.HOH. | ✔ | 5 | 6 | 2 | ✘ |
| 4RDQ-CA-4 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN.HOH. | ✔ | 5 | 6 | 2 | ✘ |
| 4RDQ-CA-5 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN.HOH. | ✔ | 5 | 6 | 2 | ✘ |
| 5T5N-CA-1 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN.HOH. | ✔ | 5 | 6 | 2 | ✘ |
| 5T5N-CA-2 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN.HOH. | ✔ | 5 | 6 | 2 | ✘ |
| 5T5N-CA-3 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN.HOH. | ✔ | 5 | 6 | 2 | ✔ |
| 5T5N-CA-4 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN.HOH. | ✔ | 5 | 6 | 2 | ✘ |
| 5T5N-CA-5 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN.HOH. | ✔ | 5 | 6 | 2 | ✔ |
| 6VX7-CA-1 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN.HOH. | ✔ | 5 | 6 | 2 | ✘ |
| 6VX7-CA-2 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN.HOH. | ✔ | 5 | 6 | 2 | ✘ |
| 6VX7-CA-3 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN.HOH. | ✔ | 5 | 6 | 2 | ✘ |
| 6VX7-CA-4 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN.HOH. | ✔ | 5 | 6 | 2 | ✘ |
| 6VX7-CA-5 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN.HOH. | ✔ | 5 | 6 | 2 | ✘ |
| 6VX6-CA-1 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN. | ✔ | 5 | 5 | 2 | ✔ |
| 6VX6-CA-2 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN. | ✔ | 5 | 5 | 2 | ✔ |
| 6VX6-CA-4 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN. | ✔ | 5 | 5 | 2 | ✘ |
| 6VX6-CA-5 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN. | ✔ | 5 | 5 | 2 | ✘ |
| 6N23-CA-1 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN. | ✔ | 5 | 5 | 2 | ✘ |