| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 7RRP-ZN-14 | ZN | Zn²⁺ | D3E3 | ASP.GLU. | ASP.GLU. | ✔ | 6 | 6 | 3 | ✘ |
| 7S40-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 7RKD-ZN-1 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 3 | ✔ |
| 7RKD-ZN-2 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 3 | ✘ |
| 7RAJ-ZN-1 | ZN | Zn²⁺ | H1N1 | ASN.HIS. | ASN.HIS. | ✘ | 2 | 2 | 2 | ✘ |
| 7PRK-ZN-1 | ZN | Zn²⁺ | H2 | HIS. | HIS. | ✔ | 2 | 2 | 2 | ✔ |
| 7PHH-K-1 | K | K⁺ | T4 | THR. | THR. | ✔ | 4 | 4 | 4 | ✔ |
| 7PHH-K-2 | K | K⁺ | L4T4 | LEU.THR. | LEU.THR. | ✔ | 8 | 8 | 4 | ✔ |
| 7PHH-K-3 | K | K⁺ | G4L4 | GLY.LEU. | GLY.LEU. | ✔ | 8 | 8 | 4 | ✔ |
| 7PHH-K-4 | K | K⁺ | G4Y4 | GLY.TYR. | GLY.TYR. | ✔ | 8 | 8 | 4 | ✘ |
| 7PHI-K-1 | K | K⁺ | L4T4 | LEU.THR. | LEU.THR. | ✔ | 8 | 8 | 4 | ✔ |
| 7PHI-K-2 | K | K⁺ | G4L4 | GLY.LEU. | GLY.LEU. | ✔ | 8 | 8 | 4 | ✘ |
| 7PHI-K-3 | K | K⁺ | G4Y4 | GLY.TYR. | GLY.TYR. | ✔ | 8 | 8 | 4 | ✔ |
| 7PC0-ZN-1 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 3 | ✘ |
| 7PBZ-ZN-1 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 3 | ✔ |
| 7OI8-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✘ | 4 | 4 | 2 | ✘ |
| 7OIE-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✘ | 4 | 4 | 2 | ✔ |
| 7N9Z-ZN-1 | ZN | Zn²⁺ | M4 | MET. | MET. | ✘ | 4 | 4 | 3 | ✔ |
| 7L79-ZN-1 | ZN | Zn²⁺ | H1N1 | ASN.HIS. | ASN.HIS. | ✘ | 2 | 2 | 2 | ✔ |
| 7JP3-ZN-1 | ZN | Zn²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 3 | ✔ |