| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 4H4L-ZN-1 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 4 | 2 | ✔ |
| 4H4L-ZN-2 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 4 | 2 | ✘ |
| 4H4L-ZN-3 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 4 | 2 | ✘ |
| 4H4L-ZN-4 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 4 | 2 | ✘ |
| 4H4L-ZN-5 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 4 | 2 | ✔ |
| 4H4L-ZN-6 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 4 | 2 | ✔ |
| 6IVE-ZN-1 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✔ |
| 6EU4-ZN-1 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 3 | ✔ |
| 6GNQ-ZN-1 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 3 | ✔ |
| 6JNI-ZN-3 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✔ |
| 5ONY-CU-1 | CU | Cu²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |
| 5ONX-CU-1 | CU | Cu²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |
| 5ONX-CU-2 | CU | Cu²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |
| 5ONX-CU-3 | CU | Cu²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |
| 5UGK-ZN-1 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✔ |
| 5UGK-ZN-2 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✔ |
| 5UGK-ZN-3 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |
| 5UGK-ZN-4 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |
| 5UGK-ZN-5 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |
| 5UGK-ZN-6 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |