| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 4G1A-CD-2 | CD | Cd²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 3 | ✔ |
| 4G1A-CD-3 | CD | Cd²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✘ |
| 4G1A-CD-4 | CD | Cd²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✘ |
| 6JGX-CD-1 | CD | Cd²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✘ |
| 6JGX-CD-2 | CD | Cd²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✘ |
| 5CRL-HG-1 | HG | Hg²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✔ |
| 5CRL-HG-2 | HG | Hg²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✘ |
| 4UA1-HG-1 | HG | Hg²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✔ |
| 4UA1-HG-2 | HG | Hg²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✘ |
| 5GPE-PB-1 | PB | Pb²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✔ |
| 5GPE-PB-2 | PB | Pb²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✘ |
| 7A5H-ZN-1 | ZN | Zn²⁺ | C3 | CYS. | CYS. | ✘ | 3 | 3 | 2 | ✔ |
| 7A5G-ZN-1 | ZN | Zn²⁺ | C3 | CYS. | CYS. | ✘ | 3 | 3 | 2 | ✔ |
| 7A5G-ZN-2 | ZN | Zn²⁺ | C3 | CYS. | CYS. | ✘ | 3 | 3 | 2 | ✘ |
| 7A5J-ZN-1 | ZN | Zn²⁺ | C3 | CYS. | CYS. | ✘ | 3 | 3 | 2 | ✔ |
| 7A5I-ZN-2 | ZN | Zn²⁺ | C3 | CYS. | CYS. | ✘ | 3 | 3 | 2 | ✔ |
| 7A5K-ZN-1 | ZN | Zn²⁺ | C3 | CYS. | CYS. | ✘ | 3 | 3 | 2 | ✔ |
| 5OOM-ZN-1 | ZN | Zn²⁺ | C3 | CYS. | CYS. | ✘ | 3 | 3 | 2 | ✔ |
| 5OOL-ZN-1 | ZN | Zn²⁺ | C3 | CYS. | CYS. | ✘ | 3 | 3 | 2 | ✔ |
| 7OI7-ZN-1 | ZN | Zn²⁺ | C3 | CYS. | CYS. | ✘ | 3 | 3 | 2 | ✔ |