| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 4RCK-MG-1 | MG | Mg²⁺ | D1S2 | ASP.SER. | ASP.SER. | ✔ | 3 | 3 | 2 | ✔ |
| 4RCK-MG-2 | MG | Mg²⁺ | D1S2 | ASP.SER. | ASP.SER. | ✔ | 3 | 3 | 2 | ✔ |
| 7Y1T-MN-1 | MN | Mn²⁺ | D1S2 | ASP.SER. | ASP.SER. | ✘ | 3 | 3 | 2 | ✔ |
| 7XLQ-CA-1 | CA | Ca²⁺ | D1S2 | ASP.SER. | ASP.SER. | ✘ | 3 | 3 | 2 | ✘ |