| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6ENB-ZN-1 | ZN | Zn²⁺ | E1P1 | GLU.PRO. | GLU.PRO. | ✘ | 2 | 2 | 2 | ✔ |
| 5A0R-ZN-1 | ZN | Zn²⁺ | E1P1 | GLU.PRO. | GLU.PRO. | ✘ | 2 | 2 | 2 | ✔ |
| 5WNB-ZN-1 | ZN | Zn²⁺ | E1P1 | GLU.PRO. | GLU.PRO. | ✘ | 2 | 2 | 2 | ✔ |
| 6R5C-ZN-1 | ZN | Zn²⁺ | E1P1 | GLU.PRO. | GLU.PRO. | ✘ | 2 | 2 | 2 | ✔ |
| 6R59-ZN-1 | ZN | Zn²⁺ | E1P1 | GLU.PRO. | GLU.PRO. | ✘ | 2 | 2 | 2 | ✔ |