| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2JDY-CA-3 | CA | Ca²⁺ | D2G1N2 | ASN.ASP.GLY. | ASN.ASP.GLY.MMA. | ✔ | 5 | 6 | 2 | ✘ |
| 2JDY-CA-4 | CA | Ca²⁺ | D2G1N2 | ASN.ASP.GLY. | ASN.ASP.GLY.MMA. | ✔ | 5 | 6 | 2 | ✘ |
| 2JDU-CA-1 | CA | Ca²⁺ | D2G1N2 | ASN.ASP.GLY. | ASN.ASP.GLY.MFU. | ✔ | 5 | 6 | 2 | ✘ |
| 2JDU-CA-2 | CA | Ca²⁺ | D2G1N2 | ASN.ASP.GLY. | ASN.ASP.GLY.MFU. | ✔ | 5 | 6 | 2 | ✘ |
| 3DCQ-CA-1 | CA | Ca²⁺ | D2G1N2 | ASN.ASP.GLY. | 2G0.ASN.ASP.GLY. | ✔ | 5 | 6 | 2 | ✘ |
| 3DCQ-CA-2 | CA | Ca²⁺ | D2G1N2 | ASN.ASP.GLY. | 2G0.ASN.ASP.GLY. | ✔ | 5 | 6 | 2 | ✘ |
| 3DCQ-CA-3 | CA | Ca²⁺ | D2G1N2 | ASN.ASP.GLY. | 2G0.ASN.ASP.GLY. | ✔ | 5 | 6 | 2 | ✘ |
| 3DCQ-CA-4 | CA | Ca²⁺ | D2G1N2 | ASN.ASP.GLY. | 2G0.ASN.ASP.GLY. | ✔ | 5 | 6 | 2 | ✘ |
| 2VNV-CA-1 | CA | Ca²⁺ | D2G1N2 | ASN.ASP.GLY. | ASN.ASP.GLY.MMA. | ✔ | 5 | 6 | 2 | ✔ |
| 2VNV-CA-2 | CA | Ca²⁺ | D2G1N2 | ASN.ASP.GLY. | ASN.ASP.GLY.MMA. | ✔ | 5 | 6 | 2 | ✘ |
| 2VUC-CA-1 | CA | Ca²⁺ | D2G1N2 | ASN.ASP.GLY. | ASN.ASP.FUC.GLY. | ✔ | 5 | 6 | 2 | ✘ |
| 2VUC-CA-2 | CA | Ca²⁺ | D2G1N2 | ASN.ASP.GLY. | ASN.ASP.GLY.YX0. | ✔ | 5 | 6 | 2 | ✘ |
| 2VUC-CA-3 | CA | Ca²⁺ | D2G1N2 | ASN.ASP.GLY. | ASN.ASP.GLY.YX0. | ✔ | 5 | 6 | 2 | ✘ |
| 2VUC-CA-4 | CA | Ca²⁺ | D2G1N2 | ASN.ASP.GLY. | ASN.ASP.GLY.YX0. | ✔ | 5 | 6 | 2 | ✘ |
| 2VUD-CA-1 | CA | Ca²⁺ | D2G1N2 | ASN.ASP.GLY. | ASN.ASP.FUC.GLY. | ✔ | 5 | 6 | 2 | ✘ |
| 2VUD-CA-2 | CA | Ca²⁺ | D2G1N2 | ASN.ASP.GLY. | ASN.ASP.GLY.LZ0. | ✔ | 5 | 6 | 2 | ✘ |
| 2VUD-CA-3 | CA | Ca²⁺ | D2G1N2 | ASN.ASP.GLY. | ASN.ASP.GLY.LZ0. | ✔ | 5 | 6 | 2 | ✘ |
| 2VUD-CA-4 | CA | Ca²⁺ | D2G1N2 | ASN.ASP.GLY. | ASN.ASP.GLY.LZ0. | ✔ | 5 | 6 | 2 | ✘ |
| 4AOC-CA-1 | CA | Ca²⁺ | D2G1N2 | ASN.ASP.GLY. | A1Q.ASN.ASP.GLY. | ✔ | 5 | 6 | 2 | ✘ |
| 4AOC-CA-2 | CA | Ca²⁺ | D2G1N2 | ASN.ASP.GLY. | A1Q.ASN.ASP.GLY. | ✔ | 5 | 6 | 2 | ✘ |