| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6BCI-CA-1 | CA | Ca²⁺ | A2C1E1 | ALA.DA.DC.GLU. | ALA.DA.DC.GLU.HOH. | ✘ | 4 | 5 | 3 | ✔ |
| 6BCI-CA-2 | CA | Ca²⁺ | E1G2T1 | DG.DT.GLU.GLY. | DG.DT.GLU.GLY.HOH. | ✘ | 4 | 6 | 3 | ✔ |
| 6BCN-CA-1 | CA | Ca²⁺ | A2C1D1 | ALA.ASP.DA.DC. | ALA.ASP.DA.DC. | ✘ | 4 | 4 | 3 | ✔ |
| 6BCN-CA-2 | CA | Ca²⁺ | E1G2T1 | DG.DT.GLU.GLY. | DG.DT.GLU.GLY. | ✘ | 4 | 4 | 3 | ✔ |
| 6BCN-CA-3 | CA | Ca²⁺ | A1C1D1E1G1T1 | ASP.DA.DC.DG.DT.GLU. | ASP.DA.DC.DG.DT.GLU. | ✘ | 6 | 6 | 3 | ✘ |
| 6BCF-CA-1 | CA | Ca²⁺ | A1E1T1 | ALA.DT.GLU. | ALA.DT.GLU. | ✘ | 3 | 3 | 2 | ✔ |
| 6BCF-CA-2 | CA | Ca²⁺ | A1E2 | DA.GLU. | DA.GLU. | ✘ | 3 | 3 | 2 | ✔ |
| 6BCE-CA-1 | CA | Ca²⁺ | A2C1E1 | ALA.DA.DC.GLU. | ALA.DA.DC.GLU.HOH. | ✘ | 4 | 6 | 3 | ✔ |
| 6BCE-CA-2 | CA | Ca²⁺ | E1G2T1 | DG.DT.GLU.GLY. | DG.DT.GLU.GLY.HOH. | ✘ | 4 | 6 | 3 | ✔ |
| 6BCE-CA-3 | CA | Ca²⁺ | A1C1E2G1T1 | DA.DC.DG.DT.GLU. | DA.DC.DG.DT.GLU. | ✘ | 6 | 6 | 3 | ✔ |
| 6D72-CA-1 | CA | Ca²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 5 | 2 | ✘ |
| 6D72-CA-2 | CA | Ca²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 5 | 2 | ✘ |
| 6D72-CA-3 | CA | Ca²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 5 | 2 | ✘ |
| 6D72-CA-4 | CA | Ca²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 5 | 2 | ✘ |
| 6D72-CA-5 | CA | Ca²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 5 | 2 | ✘ |
| 6D72-CA-6 | CA | Ca²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 5 | 2 | ✘ |
| 6D72-CA-7 | CA | Ca²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 5 | 2 | ✘ |
| 6D72-CA-8 | CA | Ca²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 5 | 2 | ✘ |
| 6D72-CA-9 | CA | Ca²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 5 | 2 | ✘ |
| 6D72-CA-10 | CA | Ca²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 5 | 2 | ✘ |