| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3OUP-ZN-2 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |
| 3OU9-ZN-1 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✔ |
| 3OU9-ZN-2 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |
| 3OTZ-ZN-1 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✔ |
| 3OTZ-ZN-2 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |
| 3OW5-ZN-1 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✔ |
| 3OW5-ZN-2 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |
| 3OW5-ZN-3 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 2 | ✘ |
| 3OY9-MN-1 | MN | Mn²⁺ | A1D1E1 | ASP.DA.GLU. | ASP.DA.GLU.HOH. | ✘ | 3 | 4 | 2 | ✔ |
| 3OY9-MN-2 | MN | Mn²⁺ | A1D1E1 | ASP.DA.GLU. | ASP.DA.GLU.HOH. | ✘ | 3 | 4 | 2 | ✘ |
| 3OYI-MN-1 | MN | Mn²⁺ | A1D1E1 | ASP.DA.GLU. | ASP.DA.GLU.HOH. | ✘ | 3 | 5 | 2 | ✘ |
| 3OYI-MN-2 | MN | Mn²⁺ | A1D1E1 | ASP.DA.GLU. | ASP.DA.GLU.HOH. | ✘ | 3 | 5 | 2 | ✘ |
| 3OYK-MN-1 | MN | Mn²⁺ | A1D1E1 | ASP.DA.GLU. | ASP.DA.GLU.HOH. | ✘ | 3 | 5 | 2 | ✔ |
| 3OYK-MN-2 | MN | Mn²⁺ | A1D1E1 | ASP.DA.GLU. | ASP.DA.GLU.HOH. | ✘ | 3 | 5 | 2 | ✘ |
| 3BXQ-ZN-1 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 3 | ✘ |
| 3BYR-ZN-1 | ZN | Zn²⁺ | H2 | HIS. | HIS. | ✔ | 2 | 2 | 2 | ✔ |
| 3BYR-ZN-2 | ZN | Zn²⁺ | H2 | HIS. | HIS. | ✔ | 2 | 2 | 2 | ✘ |
| 3CNQ-ZN-1 | ZN | Zn²⁺ | D1E1 | ASP.GLU. | ASP.GLU.HOH. | ✘ | 2 | 4 | 2 | ✔ |
| 3CPM-ZN-1 | ZN | Zn²⁺ | D2E1 | ASP.GLU. | ASP.GLU. | ✔ | 3 | 3 | 2 | ✔ |
| 3D3X-ZN-1 | ZN | Zn²⁺ | E1R1 | ARG.GLU. | ARG.GLU. | ✘ | 2 | 2 | 2 | ✔ |