| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 7QY4-CU-1 | CU | Cu²⁺ | H3 | HIS. | HOH. | ✔ | 3 | 2 | 2 | ✘ |
| 7ZCO-CU-1 | CU | Cu²⁺ | H3 | HIS. | HIS.NO2. | ✔ | 3 | 4 | 2 | ✔ |
| 7ZCO-CU-2 | CU | Cu²⁺ | H3 | HIS. | HIS.NO2. | ✔ | 3 | 4 | 2 | ✔ |
| 7ZCN-CU-1 | CU | Cu²⁺ | H3 | HIS. | HIS.NO2. | ✔ | 3 | 4 | 2 | ✘ |
| 7ZCN-CU-2 | CU | Cu²⁺ | H3 | HIS. | HIS.NO2. | ✔ | 3 | 4 | 2 | ✘ |
| 7ZCQ-CU-1 | CU | Cu²⁺ | H3 | HIS. | HIS.NO. | ✔ | 3 | 4 | 2 | ✘ |
| 7ZCQ-CU-2 | CU | Cu²⁺ | H3 | HIS. | HIS.NO. | ✔ | 3 | 4 | 2 | ✘ |
| 7ZCP-CU-1 | CU | Cu²⁺ | H3 | HIS. | HIS.NO. | ✔ | 3 | 4 | 2 | ✘ |
| 7ZCP-CU-2 | CU | Cu²⁺ | H3 | HIS. | HIS.NO. | ✔ | 3 | 4 | 2 | ✘ |
| 7ZCP-CU-3 | CU | Cu²⁺ | H3 | HIS. | HIS.NO. | ✔ | 3 | 4 | 2 | ✘ |
| 7ZCS-CU-1 | CU | Cu²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |
| 7ZCR-CU-1 | CU | Cu²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |
| 7ZCR-CU-2 | CU | Cu²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |
| 7L33-CU-1 | CU | Cu²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 3 | ✔ |
| 7P2F-CU-1 | CU | Cu²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |
| 7P2F-CU-2 | CU | Cu²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |
| 7P2F-CU-3 | CU | Cu²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |
| 7BFM-CU-1 | CU | Cu²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |
| 7BFM-CU-2 | CU | Cu²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |
| 7BFM-CU-3 | CU | Cu²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |