| 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-56 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-57 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-58 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-59 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |
| 6YFN-CA-60 | CA | Ca²⁺ | Y3 | TYR. | TYR. | ✔ | 3 | 3 | 3 | ✘ |