| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6ZLZ-CA-345 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ZLZ-CA-350 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ZLZ-CA-353 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ZLZ-CA-358 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6T1A-CA-1 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.HOH.SER. | ✔ | 3 | 7 | 2 | ✔ |
| 6T1A-CA-2 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.HOH.SER. | ✔ | 3 | 7 | 2 | ✘ |
| 1LV8-CA-1 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.HOH.SER. | ✔ | 3 | 6 | 2 | ✘ |
| 1LV8-CA-2 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.HOH.SER. | ✔ | 3 | 6 | 2 | ✘ |
| 1LV8-CA-3 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.HOH.SER. | ✔ | 3 | 6 | 2 | ✘ |
| 1LV8-CA-4 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.HOH.SER. | ✔ | 3 | 6 | 2 | ✘ |
| 1LV8-CA-5 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.HOH.SER. | ✔ | 3 | 6 | 2 | ✘ |
| 1LV8-CA-6 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.HOH.SER. | ✔ | 3 | 6 | 2 | ✘ |
| 1LVU-CA-1 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.HOH.SER. | ✔ | 3 | 6 | 2 | ✔ |
| 1LVU-CA-3 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.HOH.SER. | ✔ | 3 | 6 | 2 | ✘ |
| 1LVU-CA-5 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.HOH.SER. | ✔ | 3 | 6 | 2 | ✘ |
| 1LVU-CA-6 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.HOH.SER. | ✔ | 3 | 6 | 2 | ✘ |
| 1LVU-CA-7 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.HOH.SER. | ✔ | 3 | 6 | 2 | ✘ |
| 1LVU-CA-8 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.HOH.SER. | ✔ | 3 | 6 | 2 | ✘ |
| 7B6C-CA-2 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.HOH.SER. | ✔ | 3 | 4 | 2 | ✔ |