| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5V1I-NA-3 | NA | Na⁺ | C1D3X1 | 8OG.ASP.DC. | 8OG.ASP.DC. | ✘ | 5 | 5 | 2 | ✔ |
| 5U9H-MN-1 | MN | Mn²⁺ | C1D3X1 | ASP.C7R.DC. | HOH. | ✘ | 5 | 4 | 2 | ✔ |
| 7M4L-MN-2 | MN | Mn²⁺ | C1D3X1 | ASP.DC.YQS. | ASP.DC.HOH.YQS. | ✘ | 5 | 6 | 2 | ✔ |