| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6ESB-CA-250 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-251 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-252 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-253 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-254 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-255 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-256 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-257 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-258 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-259 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-260 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-261 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-262 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-263 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-264 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-265 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-266 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-267 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-268 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-269 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |