| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1OCY-ZN-1 | ZN | Zn²⁺ | H6 | HIS. | HIS. | ✔ | 6 | 6 | 3 | ✔ |
| 8DEL-ZN-1 | ZN | Zn²⁺ | H6 | HIS. | HIS. | ✔ | 6 | 6 | 3 | ✘ |