| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3IAB-ZN-1 | ZN | Zn²⁺ | H2 | HIS. | HIS. | ✔ | 2 | 2 | 2 | ✔ |
| 3IDQ-NI-1 | NI | Ni²⁺ | H6 | HIS. | HIS. | ✔ | 6 | 6 | 3 | ✔ |
| 3IFJ-ZN-1 | ZN | Zn²⁺ | H2X1 | HIS.SNN. | HIS.SNN. | ✔ | 3 | 3 | 2 | ✘ |
| 3IGD-ZN-1 | ZN | Zn²⁺ | H2X1 | HIS.SNN. | HIS.SNN. | ✔ | 3 | 3 | 2 | ✔ |
| 3IGD-ZN-2 | ZN | Zn²⁺ | H2X1 | HIS.SNN. | HIS.SNN. | ✔ | 3 | 3 | 2 | ✘ |
| 3INS-ZN-1 | ZN | Zn²⁺ | H3 | HIS. | DOD. | ✔ | 3 | 3 | 3 | ✘ |
| 4F1A-ZN-1 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 3 | ✘ |
| 4E7K-MN-1 | MN | Mn²⁺ | A1C1D1E1 | ASP.DA.DC.GLU. | ASP.DA.DC.GLU. | ✘ | 4 | 4 | 3 | ✔ |
| 4E7K-MN-2 | MN | Mn²⁺ | A1C1D1E1 | ASP.DA.DC.GLU. | ASP.DA.DC.GLU. | ✘ | 4 | 4 | 3 | ✔ |
| 4E7L-MN-1 | MN | Mn²⁺ | A1D1E1 | ASP.DA.GLU. | ASP.DA.GLU. | ✘ | 3 | 3 | 2 | ✘ |
| 4E7L-MN-2 | MN | Mn²⁺ | A1D1E1 | ASP.DA.GLU. | ASP.DA.GLU. | ✘ | 3 | 3 | 2 | ✘ |
| 4E7L-MN-3 | MN | Mn²⁺ | C1D2G1 | ASP.DC.DG. | ASP.DC.DG. | ✘ | 4 | 4 | 3 | ✔ |
| 4E7L-MN-4 | MN | Mn²⁺ | C1D2G1 | ASP.DC.DG. | ASP.DC.DG. | ✘ | 4 | 4 | 3 | ✘ |
| 4DY1-ZN-1 | ZN | Zn²⁺ | H2 | HIS. | HIS. | ✔ | 2 | 2 | 2 | ✔ |
| 4EFX-ZN-1 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 3 | ✘ |
| 4EFX-ZN-2 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 3 | ✔ |
| 3B3M-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3B3N-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3B3O-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3B3P-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |