| 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-121 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-122 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-123 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-124 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-125 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-126 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-127 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-128 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-129 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-130 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-131 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-132 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-133 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-134 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-135 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-136 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-137 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-138 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-139 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |
| 6ESB-CA-140 | CA | Ca²⁺ | E3S1 | GLU.SER. | GLU.SER. | ✔ | 4 | 4 | 3 | ✘ |