| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2XMT-CU-1 | CU | Cu⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✔ |
| 2XMT-CU-2 | CU | Cu⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✘ |
| 2XMU-CU-1 | CU | Cu⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✔ |
| 2XMU-CU-3 | CU | Cu⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✘ |
| 2XMV-CU-1 | CU | Cu⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✔ |
| 2XMV-CU-2 | CU | Cu⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✔ |
| 2XMV-CU-3 | CU | Cu⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✘ |
| 2XMV-CU-4 | CU | Cu⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✘ |
| 2XMV-CU-5 | CU | Cu⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✔ |
| 2XMV-CU-6 | CU | Cu⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✘ |
| 3I9Z-CU-1 | CU | Cu⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✔ |
| 3I9Z-CU-2 | CU | Cu⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✔ |
| 3I9Z-CU-3 | CU | Cu⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✘ |
| 1NN7-ZN-1 | ZN | Zn²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✔ |
| 3KVT-ZN-1 | ZN | Zn²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✔ |
| 4R2Y-ZN-1 | ZN | Zn²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✔ |
| 6EGP-PB-1 | PB | Pb²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 3 | ✔ |
| 6EGO-HG-1 | HG | Hg²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 3 | ✘ |
| 6JNI-ZN-1 | ZN | Zn²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✔ |
| 6JNI-ZN-2 | ZN | Zn²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✔ |