| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2CN6-ZN-18 | ZN | Zn²⁺ | D1Q1 | ASP.GLN. | ASP.GLN. | ✔ | 2 | 2 | 2 | ✘ |
| 2CN6-ZN-19 | ZN | Zn²⁺ | D1Q1 | ASP.GLN. | ASP.GLN. | ✔ | 2 | 2 | 2 | ✘ |
| 2CN6-ZN-20 | ZN | Zn²⁺ | D1Q1 | ASP.GLN. | ASP.GLN. | ✔ | 2 | 2 | 2 | ✘ |
| 2CN6-ZN-21 | ZN | Zn²⁺ | D1Q1 | ASP.GLN. | ASP.GLN. | ✔ | 2 | 2 | 2 | ✘ |
| 2CN6-ZN-22 | ZN | Zn²⁺ | D1Q1 | ASP.GLN. | ASP.GLN. | ✔ | 2 | 2 | 2 | ✘ |
| 2CN6-ZN-23 | ZN | Zn²⁺ | D1Q1 | ASP.GLN. | ASP.GLN. | ✔ | 2 | 2 | 2 | ✘ |
| 2CN6-ZN-24 | ZN | Zn²⁺ | D1Q1 | ASP.GLN. | ASP.GLN. | ✔ | 2 | 2 | 2 | ✘ |
| 2CN6-ZN-25 | ZN | Zn²⁺ | H4 | HIS. | HIS. | ✔ | 4 | 4 | 4 | ✔ |
| 3H90-ZN-1 | ZN | Zn²⁺ | H2 | HIS. | HIS. | ✔ | 2 | 2 | 2 | ✔ |
| 3H90-ZN-2 | ZN | Zn²⁺ | H2 | HIS. | HIS. | ✔ | 2 | 2 | 2 | ✘ |
| 2WFX-ZN-1 | ZN | Zn²⁺ | D2 | ASP. | ASP. | ✘ | 2 | 2 | 2 | ✔ |
| 3IO3-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✔ |
| 2WG4-ZN-1 | ZN | Zn²⁺ | D2 | ASP. | ASP. | ✘ | 2 | 2 | 2 | ✔ |
| 4I12-ZN-1 | ZN | Zn²⁺ | H2 | HIS. | HIS. | ✔ | 2 | 2 | 2 | ✔ |
| 5U9T-ZN-1 | ZN | Zn²⁺ | E2 | GLU. | ACT.GLU. | ✔ | 2 | 3 | 2 | ✔ |
| 5U9T-ZN-2 | ZN | Zn²⁺ | E2 | GLU. | GLU.HOH. | ✔ | 2 | 3 | 2 | ✔ |
| 5W6P-ZN-1 | ZN | Zn²⁺ | D3 | ASP. | ASP.HOH. | ✔ | 3 | 4 | 3 | ✔ |
| 4WZ9-ZN-1 | ZN | Zn²⁺ | A1H2 | ALA.HIS. | ALA.HIS. | ✘ | 3 | 3 | 2 | ✔ |
| 4WZ9-ZN-2 | ZN | Zn²⁺ | A1E1 | ALA.GLU. | ALA.GLU. | ✘ | 2 | 2 | 2 | ✔ |
| 4U9E-ZN-1 | ZN | Zn²⁺ | H2 | HIS. | HIS. | ✔ | 2 | 2 | 2 | ✔ |