| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 7F4F-CA-1 | CA | Ca²⁺ | D2E2X1 | ASP.DPN.GLU. | ASP.DPN.GLU. | ✘ | 5 | 5 | 2 | ✔ |
| 7F4H-CA-1 | CA | Ca²⁺ | D2E2X1 | ASP.DPN.GLU. | ASP.DPN.GLU. | ✘ | 5 | 5 | 2 | ✘ |
| 7F54-CA-1 | CA | Ca²⁺ | D2E2X1 | ASP.DPN.GLU. | ASP.DPN.GLU. | ✘ | 5 | 5 | 2 | ✔ |
| 7CYM-CA-1 | CA | Ca²⁺ | D2E2X1 | ASP.GLU.NAG. | ASP.GLU.NAG. | ✘ | 5 | 5 | 2 | ✔ |
| 7CYM-CA-2 | CA | Ca²⁺ | D2E2X1 | ASP.GLU.NAG. | ASP.GLU.HOH.NAG. | ✘ | 5 | 6 | 2 | ✔ |