| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6EGP-PB-1 | PB | Pb²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 3 | ✔ |
| 5KB0-PB-1 | PB | Pb²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 3 | ✔ |
| 6MCD-PB-1 | PB | Pb²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 3 | ✔ |
| 5GPE-PB-1 | PB | Pb²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✔ |
| 5GPE-PB-2 | PB | Pb²⁺ | C3 | CYS. | CYS. | ✔ | 3 | 3 | 2 | ✘ |