| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 4PEL-CA-1 | CA | Ca²⁺ | D3E1P1V1 | ASP.GLU.PRO.VAL. | ASP.GLU.PRO.VAL. | ✘ | 6 | 6 | 2 | ✘ |
| 4PEM-CA-1 | CA | Ca²⁺ | D3E1P1V1 | ASP.GLU.PRO.VAL. | ASP.GLU.PRO.VAL. | ✘ | 6 | 6 | 2 | ✘ |
| 1PNM-CA-1 | CA | Ca²⁺ | D3E1P1V1 | ASP.GLU.PRO.VAL. | ASP.GLU.PRO.VAL. | ✘ | 6 | 6 | 2 | ✘ |
| 1PNL-CA-1 | CA | Ca²⁺ | D3E1P1V1 | ASP.GLU.PRO.VAL. | ASP.GLU.PRO.VAL. | ✘ | 6 | 6 | 2 | ✘ |
| 1PNK-CA-1 | CA | Ca²⁺ | D3E1P1V1 | ASP.GLU.PRO.VAL. | ASP.GLU.PRO.VAL. | ✘ | 6 | 6 | 2 | ✔ |
| 1CP9-CA-1 | CA | Ca²⁺ | D3E1P1V1 | ASP.GLU.PRO.VAL. | ASP.GLU.PRO.VAL. | ✘ | 6 | 6 | 2 | ✔ |
| 1CP9-CA-2 | CA | Ca²⁺ | D3E1P1V1 | ASP.GLU.PRO.VAL. | ASP.GLU.PRO.VAL. | ✘ | 6 | 6 | 2 | ✘ |
| 1KEC-CA-1 | CA | Ca²⁺ | D3E1P1V1 | ASP.GLU.PRO.VAL. | ASP.GLU.PRO.VAL. | ✘ | 6 | 6 | 2 | ✘ |
| 1AI7-CA-1 | CA | Ca²⁺ | D3E1P1V1 | ASP.GLU.PRO.VAL. | ASP.GLU.PRO.VAL. | ✘ | 6 | 6 | 2 | ✘ |
| 1AI6-CA-1 | CA | Ca²⁺ | D3E1P1V1 | ASP.GLU.PRO.VAL. | ASP.GLU.PRO.VAL. | ✘ | 6 | 6 | 2 | ✘ |
| 1AI5-CA-1 | CA | Ca²⁺ | D3E1P1V1 | ASP.GLU.PRO.VAL. | ASP.GLU.PRO.VAL. | ✘ | 6 | 6 | 2 | ✘ |
| 1AI4-CA-1 | CA | Ca²⁺ | D3E1P1V1 | ASP.GLU.PRO.VAL. | ASP.GLU.PRO.VAL. | ✘ | 6 | 6 | 2 | ✘ |
| 1AJQ-CA-1 | CA | Ca²⁺ | D3E1P1V1 | ASP.GLU.PRO.VAL. | ASP.GLU.PRO.VAL. | ✘ | 6 | 6 | 2 | ✘ |
| 1AJP-CA-1 | CA | Ca²⁺ | D3E1P1V1 | ASP.GLU.PRO.VAL. | ASP.GLU.PRO.VAL. | ✘ | 6 | 6 | 2 | ✘ |
| 1AJN-CA-1 | CA | Ca²⁺ | D3E1P1V1 | ASP.GLU.PRO.VAL. | ASP.GLU.PRO.VAL. | ✘ | 6 | 6 | 2 | ✘ |
| 1GKF-CA-1 | CA | Ca²⁺ | D3E1P1V1 | ASP.GLU.PRO.VAL. | ASP.GLU.PRO.VAL. | ✘ | 6 | 6 | 2 | ✘ |
| 1GK9-CA-1 | CA | Ca²⁺ | D3E1P1V1 | ASP.GLU.PRO.VAL. | ASP.GLU.PRO.VAL. | ✘ | 6 | 6 | 2 | ✔ |
| 1GM9-CA-1 | CA | Ca²⁺ | D3E1P1V1 | ASP.GLU.PRO.VAL. | ASP.GLU.PRO.VAL. | ✘ | 6 | 6 | 2 | ✘ |
| 1GM8-CA-1 | CA | Ca²⁺ | D3E1P1V1 | ASP.GLU.PRO.VAL. | ASP.GLU.PRO.VAL. | ✘ | 6 | 6 | 2 | ✘ |
| 1GM7-CA-1 | CA | Ca²⁺ | D3E1P1V1 | ASP.GLU.PRO.VAL. | ASP.GLU.PRO.VAL. | ✘ | 6 | 6 | 2 | ✘ |