| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2XMA-MG-1 | MG | Mg²⁺ | C1P1 | DC.PRO. | DC.HOH.PRO. | ✘ | 2 | 6 | 2 | ✔ |
| 2XMA-MG-2 | MG | Mg²⁺ | C1P1 | DC.PRO. | DC.HOH.PRO. | ✘ | 2 | 6 | 2 | ✘ |
| 2XMA-MG-3 | MG | Mg²⁺ | C1P1 | DC.PRO. | DC.HOH.PRO. | ✘ | 2 | 6 | 2 | ✘ |
| 2XMA-MG-4 | MG | Mg²⁺ | C1P1 | DC.PRO. | DC.HOH.PRO. | ✘ | 2 | 6 | 2 | ✘ |
| 2XM3-MG-1 | MG | Mg²⁺ | C1P1 | DC.PRO. | DC.HOH.PRO. | ✘ | 2 | 6 | 2 | ✔ |
| 2XM3-MG-2 | MG | Mg²⁺ | C1P1 | DC.PRO. | DC.HOH.PRO. | ✘ | 2 | 6 | 2 | ✘ |