| 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-221 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-222 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-223 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-224 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-225 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-226 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-227 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-228 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-229 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-230 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-231 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-232 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-233 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-234 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-235 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-236 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-237 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-238 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-239 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-240 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |