| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2HFK-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 4 | 2 | ✔ |
| 2H7X-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 4 | 2 | ✘ |
| 2H7Y-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 4 | 2 | ✘ |
| 2CG4-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP. | ✔ | 2 | 2 | 2 | ✔ |
| 2CG4-MG-2 | MG | Mg²⁺ | D2 | ASP. | ASP. | ✔ | 2 | 2 | 2 | ✘ |
| 2CG4-MG-3 | MG | Mg²⁺ | D2 | ASP. | ASP. | ✔ | 2 | 2 | 2 | ✘ |
| 2CG4-MG-4 | MG | Mg²⁺ | D2 | ASP. | ASP. | ✔ | 2 | 2 | 2 | ✘ |
| 3NRT-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP. | ✔ | 2 | 2 | 2 | ✔ |
| 3WZV-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.IPM. | ✔ | 2 | 5 | 2 | ✘ |
| 3WZV-MG-2 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.IPM. | ✔ | 2 | 5 | 2 | ✘ |
| 3WZW-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.IPM. | ✔ | 2 | 5 | 2 | ✘ |
| 3WZW-MG-2 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.IPM. | ✔ | 2 | 5 | 2 | ✘ |
| 3WZX-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.IPM. | ✔ | 2 | 5 | 2 | ✘ |
| 3WZX-MG-2 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.IPM. | ✔ | 2 | 5 | 2 | ✘ |
| 3WZY-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.IPM. | ✔ | 2 | 5 | 2 | ✔ |
| 3WZY-MG-2 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.IPM. | ✔ | 2 | 5 | 2 | ✘ |
| 4AJR-MG-1 | MG | Mg²⁺ | D2 | ASP. | AKG.ASP.HOH. | ✔ | 2 | 5 | 2 | ✔ |
| 4AJR-MG-2 | MG | Mg²⁺ | D2 | ASP. | AKG.ASP.HOH. | ✔ | 2 | 5 | 2 | ✘ |
| 4AJS-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.ICT. | ✔ | 2 | 5 | 2 | ✘ |
| 4AJS-MG-2 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.ICT. | ✔ | 2 | 5 | 2 | ✘ |