| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3QW5-ZN-1 | ZN | Zn²⁺ | H2R1 | ARG.HIS. | ARG.HIS. | ✘ | 3 | 3 | 2 | ✔ |
| 3RF4-ZN-1 | ZN | Zn²⁺ | D2 | ASP. | ACT.ASP. | ✔ | 2 | 4 | 2 | ✔ |
| 3RF5-ZN-1 | ZN | Zn²⁺ | D2E2 | ASP.GLU. | ASP.GLU. | ✔ | 4 | 4 | 2 | ✔ |
| 3RF5-ZN-2 | ZN | Zn²⁺ | D2E2 | ASP.GLU. | ASP.GLU. | ✔ | 4 | 4 | 2 | ✔ |
| 3RF5-ZN-3 | ZN | Zn²⁺ | D2E2 | ASP.GLU. | ASP.GLU. | ✔ | 4 | 4 | 2 | ✘ |
| 3N5R-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3N63-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3N5T-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3N65-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3N66-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3N5V-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3N67-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3N5W-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✔ |
| 3N69-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3N5Y-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3N60-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3N5P-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3N5P-ZN-2 | ZN | Zn²⁺ | D1E1 | ASP.GLU. | ASP.GLU.HOH. | ✔ | 2 | 3 | 2 | ✔ |
| 3N6C-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3N6F-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |