| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1G9Z-MG-1 | MG | Mg²⁺ | A1C1D2G2 | ASP.DA.DC.DG. | ASP.DA.DC.DG. | ✘ | 6 | 6 | 6 | ✔ |
| 3KO2-CA-3 | CA | Ca²⁺ | A1C1D2G2 | ASP.DA.DC.DG. | ASP.DA.DC.DG. | ✘ | 6 | 6 | 4 | ✘ |
| 1G9Y-CA-1 | CA | Ca²⁺ | A1C1D2G2 | ASP.DA.DC.DG. | ASP.DA.DC.DG. | ✘ | 6 | 6 | 4 | ✔ |
| 6FB6-MN-2 | MN | Mn²⁺ | A1C1D2G2 | ASP.DA.DC.DG. | ASP.DA.DC.DG. | ✘ | 6 | 6 | 6 | ✔ |
| 3E45-CA-1 | CA | Ca²⁺ | A1C1D2V1 | ASP.DA.DC.VAL. | ASP.DA.DC.HOH.VAL. | ✘ | 5 | 7 | 2 | ✘ |
| 3E45-CA-2 | CA | Ca²⁺ | A1C1D2V1 | ASP.DA.DC.VAL. | ASP.DA.DC.HOH.VAL. | ✘ | 5 | 6 | 2 | ✘ |
| 6DBQ-CA-3 | CA | Ca²⁺ | A1C1E1 | DA.DC.GLU. | DA.DC.GLU. | ✘ | 3 | 3 | 2 | ✔ |
| 6BCG-CA-1 | CA | Ca²⁺ | A1C1E1 | DA.DC.GLU. | DA.DC.GLU. | ✘ | 3 | 3 | 3 | ✔ |
| 5T2N-CA-2 | CA | Ca²⁺ | A1C1E1G1 | ALA.DC.DG.GLU. | ALA.DC.DG.GLU.HOH. | ✘ | 4 | 6 | 3 | ✔ |
| 5ESP-CA-1 | CA | Ca²⁺ | A1C1E1G1 | DA.DC.GLU.GLY. | DA.DC.GLU.GLY. | ✘ | 4 | 4 | 3 | ✔ |
| 6UW0-CA-2 | CA | Ca²⁺ | A1C1E1G1 | ALA.DC.DG.GLU. | ALA.DC.DG.GLU.HOH. | ✘ | 4 | 5 | 3 | ✔ |
| 5T2O-CA-1 | CA | Ca²⁺ | A1C1E1T1 | ALA.DC.DT.GLU. | ALA.DC.DT.GLU.HOH. | ✘ | 4 | 5 | 3 | ✔ |
| 5ESP-CA-2 | CA | Ca²⁺ | A1C1E1T1 | ALA.DC.DT.GLU. | ALA.DC.DT.GLU. | ✘ | 4 | 4 | 3 | ✔ |
| 6BCE-CA-3 | CA | Ca²⁺ | A1C1E2G1T1 | DA.DC.DG.DT.GLU. | DA.DC.DG.DT.GLU. | ✘ | 6 | 6 | 3 | ✔ |
| 5T2N-CA-3 | CA | Ca²⁺ | A1C1E2G1T1 | DA.DC.DG.DT.GLU. | DA.DC.DG.DT.GLU. | ✘ | 6 | 6 | 3 | ✔ |
| 5THG-CA-2 | CA | Ca²⁺ | A1C1E2T1 | ALA.DC.DT.GLU. | ALA.DC.DT.GLU.HOH. | ✘ | 5 | 6 | 3 | ✔ |
| 3ZDB-MG-1 | MG | Mg²⁺ | A1C1I1 | ALA.DC.ILE. | ALA.DC.HOH.ILE. | ✘ | 3 | 6 | 2 | ✔ |
| 3ZDB-MG-2 | MG | Mg²⁺ | A1C1I1 | ALA.DC.ILE. | ALA.DC.HOH.ILE. | ✘ | 3 | 6 | 2 | ✘ |
| 3ZDC-CA-1 | CA | Ca²⁺ | A1C1I1 | ALA.DC.ILE. | ALA.DC.HOH.ILE. | ✘ | 3 | 5 | 2 | ✔ |
| 4HAD-NA-1 | NA | Na⁺ | A1C1I1Q1R1 | ALA.ARG.CYS.GLN.ILE. | ALA.ARG.CYS.GLN.ILE. | ✔ | 5 | 5 | 2 | ✔ |