| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5MFG-CA-5 | CA | Ca²⁺ | E1P2Q1 | GLN.GLU.PRO. | GLN.GLU.PRO. | ✔ | 4 | 4 | 2 | ✘ |
| 5MFG-CA-10 | CA | Ca²⁺ | E1P2Q1 | GLN.GLU.PRO. | GLN.GLU.PRO. | ✔ | 4 | 4 | 2 | ✔ |