| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2IBK-CA-1 | CA | Ca²⁺ | D1E1T1 | ASP.DT.GLU. | ASP.DT.GLU.HOH. | ✘ | 3 | 6 | 2 | ✔ |
| 4HHT-CA-1 | CA | Ca²⁺ | D1E1T1 | ASP.DT.GLU. | ASP.C.HOH. | ✘ | 3 | 3 | 2 | ✔ |
| 3Q08-CA-1 | CA | Ca²⁺ | D1E1T1 | ASP.GLU.THR. | ASP.GLU.THR. | ✔ | 3 | 3 | 2 | ✘ |
| 3Q08-CA-2 | CA | Ca²⁺ | D1E1T1 | ASP.GLU.THR. | ASP.GLU.THR. | ✔ | 3 | 3 | 2 | ✘ |
| 3Q08-CA-3 | CA | Ca²⁺ | D1E1T1 | ASP.GLU.THR. | ASP.GLU.THR. | ✔ | 3 | 3 | 2 | ✘ |
| 3Q08-CA-4 | CA | Ca²⁺ | D1E1T1 | ASP.GLU.THR. | ASP.GLU.THR. | ✔ | 3 | 3 | 2 | ✘ |
| 3Q08-CA-5 | CA | Ca²⁺ | D1E1T1 | ASP.GLU.THR. | ASP.GLU.THR. | ✔ | 3 | 3 | 2 | ✘ |
| 3Q09-CA-1 | CA | Ca²⁺ | D1E1T1 | ASP.GLU.THR. | ASP.GLU.THR. | ✔ | 3 | 3 | 2 | ✔ |
| 3Q09-CA-2 | CA | Ca²⁺ | D1E1T1 | ASP.GLU.THR. | ASP.GLU.THR. | ✔ | 3 | 3 | 2 | ✘ |
| 3Q09-CA-3 | CA | Ca²⁺ | D1E1T1 | ASP.GLU.THR. | ASP.GLU.THR. | ✔ | 3 | 3 | 2 | ✘ |
| 3Q09-CA-4 | CA | Ca²⁺ | D1E1T1 | ASP.GLU.THR. | ASP.GLU.THR. | ✔ | 3 | 3 | 2 | ✘ |
| 3Q09-CA-5 | CA | Ca²⁺ | D1E1T1 | ASP.GLU.THR. | ASP.GLU.THR. | ✔ | 3 | 3 | 2 | ✘ |
| 5EWE-CA-1 | CA | Ca²⁺ | D1E1T1 | ASP.DT.GLU. | ASP.CTP.DT.GLU. | ✘ | 3 | 4 | 2 | ✔ |
| 6WXF-CA-35 | CA | Ca²⁺ | D1E1T1 | ASP.GLU.THR. | ASP.GLU.THR. | ✔ | 3 | 3 | 2 | ✘ |