| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1Y75-ZN-3 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✔ |
| 1SGF-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✘ | 2 | 2 | 2 | ✔ |
| 1T92-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 4 | 2 | ✔ |
| 1VK9-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✔ |
| 1VK9-ZN-2 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✘ |
| 4Y7L-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 3 | 2 | ✔ |
| 5F1C-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✔ |
| 5F1C-ZN-2 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✘ |
| 5F1C-ZN-3 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✘ |
| 5LYN-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 4 | 2 | ✔ |
| 5ZIY-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 3 | 2 | ✔ |
| 5ZIY-ZN-3 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✔ |
| 5VH5-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 4 | 2 | ✔ |
| 1JKE-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 3 | 2 | ✔ |
| 1JKE-ZN-2 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 3 | 2 | ✔ |
| 1JKE-ZN-3 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 6 | 2 | ✔ |
| 1JKE-ZN-4 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 6 | 2 | ✘ |
| 1JKE-ZN-13 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 5 | 2 | ✔ |
| 1JKE-ZN-14 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 5 | 2 | ✘ |
| 1F4T-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✔ |