| 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-106 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-107 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-108 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-109 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-110 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-111 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-112 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-113 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-114 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-115 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-116 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-117 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-118 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-119 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 6ESB-CA-120 | CA | Ca²⁺ | E2S1 | GLU.SER. | GLU.SER. | ✔ | 3 | 3 | 2 | ✘ |
| 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 | ✘ |