| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1NNQ-ZN-1 | ZN | Zn²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 2 | ✔ |
| 1NNQ-ZN-2 | ZN | Zn²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 2 | ✘ |
| 1U7J-ZN-1 | ZN | Zn²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 2 | ✔ |
| 2EK0-ZN-1 | ZN | Zn²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 2 | ✔ |
| 2AKF-ZN-1 | ZN | Zn²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 4 | 3 | ✔ |
| 4A0X-ZN-1 | ZN | Zn²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 2 | ✔ |
| 4A0X-ZN-2 | ZN | Zn²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 2 | ✔ |
| 2X4H-ZN-1 | ZN | Zn²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 2 | ✔ |
| 2X4H-ZN-2 | ZN | Zn²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 2 | ✔ |
| 4I0J-ZN-1 | ZN | Zn²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 4 | 2 | ✔ |
| 4I0J-ZN-2 | ZN | Zn²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 4 | 2 | ✘ |
| 2KIK-ZN-1 | ZN | Zn²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 2 | ✔ |
| 1EC5-ZN-1 | ZN | Zn²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 2 | ✔ |