| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6MRM-CA-173 | CA | Ca²⁺ | D3 | ASP. | ASP. | ✔ | 3 | 3 | 2 | ✘ |
| 6MRM-CA-174 | CA | Ca²⁺ | D3 | ASP. | ASP. | ✔ | 3 | 3 | 2 | ✘ |
| 6MRM-CA-175 | CA | Ca²⁺ | D3 | ASP. | ASP. | ✔ | 3 | 3 | 2 | ✘ |
| 6MRM-CA-176 | CA | Ca²⁺ | D3 | ASP. | ASP. | ✔ | 3 | 3 | 2 | ✘ |
| 6MRM-CA-177 | CA | Ca²⁺ | D3 | ASP. | ASP. | ✔ | 3 | 3 | 2 | ✘ |
| 6MRM-CA-178 | CA | Ca²⁺ | D3 | ASP. | ASP. | ✔ | 3 | 3 | 2 | ✘ |
| 6MRM-CA-179 | CA | Ca²⁺ | D3 | ASP. | ASP. | ✔ | 3 | 3 | 2 | ✘ |
| 6MRM-CA-180 | CA | Ca²⁺ | D3 | ASP. | ASP. | ✔ | 3 | 3 | 2 | ✘ |
| 6PGK-CA-1 | CA | Ca²⁺ | D1F1P1 | ASP.PHE.PRO. | ASP.PHE.PRO. | ✔ | 3 | 3 | 2 | ✘ |
| 6PGK-CA-2 | CA | Ca²⁺ | D1F1P1 | ASP.PHE.PRO. | ASP.PHE.PRO. | ✔ | 3 | 3 | 2 | ✘ |
| 6PGK-CA-3 | CA | Ca²⁺ | D1F1P1 | ASP.PHE.PRO. | ASP.PHE.PRO. | ✔ | 3 | 3 | 2 | ✘ |
| 6PFY-CA-1 | CA | Ca²⁺ | D1F1P1 | ASP.PHE.PRO. | ASP.PHE.PRO. | ✔ | 3 | 3 | 2 | ✘ |
| 6PFY-CA-2 | CA | Ca²⁺ | D1F1P1 | ASP.PHE.PRO. | ASP.PHE.PRO. | ✔ | 3 | 3 | 2 | ✘ |
| 6PFY-CA-3 | CA | Ca²⁺ | D1F1P1 | ASP.PHE.PRO. | ASP.PHE.PRO. | ✔ | 3 | 3 | 2 | ✘ |
| 6PFZ-CA-1 | CA | Ca²⁺ | D2L1T1 | ASP.LEU.THR. | ASP.LEU.THR. | ✔ | 4 | 4 | 2 | ✔ |
| 6PFZ-CA-2 | CA | Ca²⁺ | D2L1T1 | ASP.LEU.THR. | ASP.LEU.THR. | ✔ | 4 | 4 | 2 | ✘ |
| 6P06-CA-1 | CA | Ca²⁺ | D2E1 | ASP.GLU. | APC.ASP.GLU.HOH.NMY. | ✔ | 3 | 6 | 2 | ✔ |
| 6P06-CA-2 | CA | Ca²⁺ | D2E1 | ASP.GLU. | APC.ASP.GLU.HOH.NMY. | ✔ | 3 | 6 | 2 | ✘ |
| 6P8P-CA-1 | CA | Ca²⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 6 | 2 | ✔ |
| 6OZH-CA-1 | CA | Ca²⁺ | D2T1 | ASP.DT. | ASP.DT. | ✘ | 3 | 3 | 2 | ✔ |