| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 4PXY-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 3 | 2 | ✔ |
| 4PXY-ZN-2 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 3 | 2 | ✘ |
| 4PXY-ZN-3 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 3 | 2 | ✘ |
| 4QL5-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 3 | 2 | ✔ |
| 4QQR-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✔ |
| 3WON-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 3 | 2 | ✔ |
| 3WON-ZN-2 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✔ |
| 2Z45-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 4 | 2 | ✔ |
| 2Z45-ZN-2 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 3 | 2 | ✔ |
| 2V9F-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✔ |
| 2V9F-ZN-2 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✘ |
| 1ZFP-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✔ |
| 1K24-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✔ |
| 1K2F-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✔ |
| 1L7O-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✔ |
| 2G2N-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 4 | 2 | ✔ |
| 2G2N-ZN-2 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 3 | 2 | ✔ |
| 2G2N-ZN-3 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 3 | 2 | ✘ |
| 2G2N-ZN-4 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 4 | 2 | ✔ |
| 2GFE-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | GLU. | ✔ | 2 | 2 | 2 | ✘ |