| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1FA5-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 3 | 2 | ✘ |
| 1FA5-ZN-2 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 3 | 2 | ✘ |
| 6UX8-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✘ | 2 | 3 | 2 | ✔ |
| 6WBE-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✔ |
| 6Q3O-ZN-2 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✔ |
| 6VD8-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✔ |
| 4ONX-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✔ |
| 4ONX-ZN-2 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✔ |
| 3SOX-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✔ |
| 1MS7-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✘ |
| 5U9T-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | ACT.GLU. | ✔ | 2 | 3 | 2 | ✔ |
| 5U9T-ZN-2 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 3 | 2 | ✔ |
| 6OT8-ZN-2 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✘ |
| 6OT8-ZN-3 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✘ |
| 7P3H-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✔ |