| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6JP5-CA-1 | CA | Ca²⁺ | D1S2T1 | ASP.SER.THR. | ASP.SER.THR. | ✘ | 4 | 4 | 2 | ✔ |
| 7MIY-CA-1 | CA | Ca²⁺ | D1S2T1 | ASP.SER.THR. | ASP.SER.THR. | ✘ | 4 | 4 | 2 | ✔ |
| 7MIX-CA-1 | CA | Ca²⁺ | D1S2T1 | ASP.SER.THR. | ASP.SER.THR. | ✘ | 4 | 4 | 2 | ✔ |
| 8E57-CA-1 | CA | Ca²⁺ | D1S2T1 | ASP.SER.THR. | ASP.SER.THR. | ✘ | 4 | 4 | 2 | ✔ |
| 8E59-CA-1 | CA | Ca²⁺ | D1S2T1 | ASP.SER.THR. | ASP.SER.THR. | ✘ | 4 | 4 | 2 | ✔ |
| 8E5B-CA-1 | CA | Ca²⁺ | D1S2T1 | ASP.SER.THR. | ASP.SER.THR. | ✘ | 4 | 4 | 2 | ✘ |
| 7VFS-CA-1 | CA | Ca²⁺ | D1S2T1 | ASP.SER.THR. | ASP.SER.THR. | ✘ | 4 | 4 | 2 | ✘ |
| 7UHG-CA-1 | CA | Ca²⁺ | D1S2T1 | ASP.SER.THR. | ASP.SER.THR. | ✘ | 4 | 4 | 2 | ✘ |
| 7UHF-CA-1 | CA | Ca²⁺ | D1S2T1 | ASP.SER.THR. | ASP.SER.THR. | ✘ | 4 | 4 | 2 | ✔ |
| 8EPL-CA-1 | CA | Ca²⁺ | D1S2T1 | ASP.SER.THR. | ASP.SER.THR. | ✘ | 4 | 4 | 2 | ✔ |
| 8EPM-CA-1 | CA | Ca²⁺ | D1S2T1 | ASP.SER.THR. | ASP.SER.THR. | ✘ | 4 | 4 | 2 | ✘ |