| 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-297 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-298 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-299 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-300 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 3V7F-CA-1 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 3V7F-CA-2 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 3V7F-CA-5 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 3V7F-CA-6 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ZLZ-CA-121 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ZLZ-CA-123 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ZLZ-CA-124 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ZLZ-CA-126 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ZLZ-CA-127 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ZLZ-CA-128 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ZLZ-CA-130 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ZLZ-CA-131 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ZLZ-CA-132 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ZLZ-CA-133 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ZLZ-CA-134 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ZLZ-CA-135 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |