| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3U6F-MG-1 | MG | Mg²⁺ | C1D1G1 | ASP.DC.DG. | ASP.DC.DG.HOH. | ✘ | 3 | 6 | 2 | ✔ |
| 3U6F-MG-2 | MG | Mg²⁺ | C1D1G1 | ASP.DC.DG. | ASP.DC.DG.HOH. | ✘ | 3 | 6 | 2 | ✘ |
| 1KFS-MG-1 | MG | Mg²⁺ | C1D1G1 | ASP.DC.DG. | ASP.DC.DG.HOH. | ✘ | 3 | 6 | 2 | ✔ |