| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 7K4A-CA-1 | CA | Ca²⁺ | D4 | ASP. | ASP. | ✔ | 4 | 4 | 4 | ✔ |
| 7K4F-CA-1 | CA | Ca²⁺ | D4 | ASP. | ASP. | ✔ | 4 | 4 | 4 | ✘ |
| 7JUE-CA-1 | CA | Ca²⁺ | D1E2N2X1 | ASN.ASP.GLU.MAN. | ASN.ASP.GLU.MAN. | ✘ | 6 | 6 | 2 | ✔ |
| 7JUF-CA-1 | CA | Ca²⁺ | D1E2N2X1 | ASN.ASP.GLU.MAN. | ASN.ASP.GLU.MAN. | ✘ | 6 | 6 | 2 | ✔ |
| 7JVK-CA-1 | CA | Ca²⁺ | D1S1 | ASP.SER. | ASP.SER. | ✔ | 2 | 2 | 2 | ✘ |
| 7JVK-CA-2 | CA | Ca²⁺ | D1S1 | ASP.SER. | ASP.SER. | ✔ | 2 | 2 | 2 | ✘ |
| 7KDD-CA-1 | CA | Ca²⁺ | D3 | ASP. | ASP. | ✔ | 3 | 3 | 3 | ✔ |
| 6MJP-CA-1 | CA | Ca²⁺ | N2 | ASN. | ASN. | ✔ | 2 | 2 | 2 | ✔ |
| 6N23-CA-1 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN. | ✔ | 5 | 5 | 2 | ✘ |
| 6N23-CA-2 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN. | ✔ | 5 | 5 | 2 | ✘ |
| 6N23-CA-3 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN. | ✔ | 5 | 5 | 2 | ✘ |
| 6N23-CA-4 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN. | ✔ | 5 | 5 | 2 | ✘ |
| 6N23-CA-5 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN. | ✔ | 5 | 5 | 2 | ✘ |
| 6N25-CA-1 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN. | ✔ | 5 | 5 | 2 | ✘ |
| 6N25-CA-2 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN. | ✔ | 5 | 5 | 2 | ✘ |
| 6N25-CA-3 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN. | ✔ | 5 | 5 | 2 | ✘ |
| 6N25-CA-4 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN. | ✔ | 5 | 5 | 2 | ✘ |
| 6N25-CA-5 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN. | ✔ | 5 | 5 | 2 | ✘ |
| 6N27-CA-1 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN. | ✔ | 5 | 5 | 2 | ✘ |
| 6N27-CA-2 | CA | Ca²⁺ | A1D2N1Q1 | ALA.ASN.ASP.GLN. | ALA.ASN.ASP.GLN. | ✔ | 5 | 5 | 2 | ✘ |