| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1GRP-MG-2 | MG | Mg²⁺ | D2 | ASP. | ASP.ICT. | ✔ | 2 | 3 | 2 | ✘ |
| 1HJ6-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.IPM. | ✔ | 2 | 5 | 2 | ✔ |
| 1HJ6-MG-2 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.IPM. | ✔ | 2 | 5 | 2 | ✘ |
| 1F7R-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP. | ✔ | 2 | 2 | 2 | ✔ |
| 1F7R-MG-2 | MG | Mg²⁺ | D2 | ASP. | ASP. | ✔ | 2 | 2 | 2 | ✘ |
| 1F7R-MG-3 | MG | Mg²⁺ | D2 | ASP. | ASP. | ✔ | 2 | 2 | 2 | ✘ |
| 1BL5-MG-1 | MG | Mg²⁺ | D2 | ASP. | AKG.ASP. | ✔ | 2 | 3 | 2 | ✘ |
| 1BL5-MG-2 | MG | Mg²⁺ | D2 | ASP. | AKG.ASP. | ✔ | 2 | 3 | 2 | ✘ |
| 1A05-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.IPM. | ✔ | 2 | 5 | 2 | ✘ |
| 1A05-MG-2 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.IPM. | ✔ | 2 | 5 | 2 | ✘ |
| 6PAY-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.ICT. | ✔ | 2 | 3 | 2 | ✘ |
| 6PAY-MG-2 | MG | Mg²⁺ | D2 | ASP. | ASP.ICT. | ✔ | 2 | 3 | 2 | ✘ |
| 6XXY-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH.O45. | ✔ | 2 | 5 | 2 | ✘ |
| 4E6E-MG-1 | MG | Mg²⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 6 | 2 | ✔ |
| 4E89-CD-1 | CD | Cd²⁺ | D2 | ASP. | ASP. | ✔ | 2 | 2 | 2 | ✔ |
| 4OQ9-NA-1 | NA | Na⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 3 | 2 | ✔ |
| 4OQ9-NA-2 | NA | Na⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 3 | 2 | ✘ |
| 4OQ9-NA-3 | NA | Na⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 3 | 2 | ✘ |
| 4OQ9-NA-4 | NA | Na⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 3 | 2 | ✘ |
| 4OQ9-NA-5 | NA | Na⁺ | D2 | ASP. | ASP.HOH. | ✔ | 2 | 3 | 2 | ✘ |