| 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-201 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-202 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-203 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-204 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-205 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-206 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-207 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-208 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-209 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-210 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-211 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-212 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-213 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-214 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-215 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-216 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-217 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-218 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-219 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-220 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |