| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 4AJB-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.ICT. | ✔ | 2 | 5 | 2 | ✘ |
| 4AJB-MG-2 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.ICT. | ✔ | 2 | 5 | 2 | ✘ |
| 4AOU-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.ICT. | ✔ | 2 | 4 | 2 | ✘ |
| 4AOU-MG-2 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.ICT. | ✔ | 2 | 4 | 2 | ✘ |
| 4AOV-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.ICT. | ✔ | 2 | 5 | 2 | ✘ |
| 4AOV-MG-2 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.ICT. | ✔ | 2 | 5 | 2 | ✘ |
| 3UCW-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 6 | 2 | ✔ |
| 3VCZ-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 3 | 2 | ✔ |
| 3VCZ-MG-2 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 3 | 2 | ✘ |
| 2WTO-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 7 | 2 | ✘ |
| 2WTP-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 7 | 2 | ✔ |
| 3G1B-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 5 | 2 | ✔ |
| 3G3P-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 5 | 2 | ✘ |
| 3FLK-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.OXL. | ✔ | 2 | 5 | 2 | ✔ |
| 3FLK-MG-2 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.OXL. | ✔ | 2 | 5 | 2 | ✔ |
| 4X04-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 6 | 2 | ✔ |
| 4RUS-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 4 | 2 | ✔ |
| 3B4U-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 5 | 2 | ✔ |
| 3VYT-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 3 | 2 | ✔ |
| 3VYT-MG-2 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 3 | 2 | ✘ |