| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6YFN-CA-21 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-22 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-23 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-24 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-25 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-26 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-27 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✔ |
| 6YFN-CA-28 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-29 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-30 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-31 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-32 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-33 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-34 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-35 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-36 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-37 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-38 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-39 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-40 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |