| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2NQJ-ZN-3 | ZN | Zn²⁺ | C1D1X1 | 3DR.ASP.DC. | 3DR.ASP.DC. | ✘ | 3 | 3 | 2 | ✔ |
| 1QUM-ZN-1 | ZN | Zn²⁺ | C1D1X1 | 3DR.ASP.DC. | 3DR.ASP.DC. | ✘ | 3 | 3 | 3 | ✔ |