| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 4AOJ-ZN-1 | ZN | Zn²⁺ | H1K1 | HIS.LYS. | HIS.LYS. | ✔ | 2 | 2 | 2 | ✔ |
| 3U94-ZN-3 | ZN | Zn²⁺ | H1K1 | HIS.LYS. | HIS.LYS. | ✔ | 2 | 2 | 2 | ✘ |
| 3S2Q-ZN-1 | ZN | Zn²⁺ | H1K1 | HIS.LYS. | HOH. | ✔ | 2 | 2 | 2 | ✔ |
| 6IVW-ZN-1 | ZN | Zn²⁺ | H1K1 | HIS.LYS. | HIS.LYS. | ✔ | 2 | 2 | 2 | ✘ |
| 6IVW-ZN-2 | ZN | Zn²⁺ | H1K1 | HIS.LYS. | HIS.LYS. | ✔ | 2 | 2 | 2 | ✔ |
| 5OJJ-ZN-2 | ZN | Zn²⁺ | H1K1 | HIS.LYS. | HIS.LYS. | ✔ | 2 | 2 | 2 | ✔ |
| 5OJJ-ZN-3 | ZN | Zn²⁺ | H1K1 | HIS.LYS. | HIS.LYS. | ✔ | 2 | 2 | 2 | ✘ |
| 4WD7-ZN-1 | ZN | Zn²⁺ | H1K1 | HIS.LYS. | HIS.LYS. | ✔ | 2 | 2 | 2 | ✔ |
| 6MBD-ZN-1 | ZN | Zn²⁺ | H1K1 | HIS.LYS. | HIS.LYS. | ✘ | 2 | 2 | 2 | ✔ |
| 6EGA-CO-1 | CO | Co²⁺ | H1K1 | HIS.LYS. | HIS.LYS. | ✔ | 2 | 2 | 2 | ✘ |
| 6EGA-CO-2 | CO | Co²⁺ | H1K1 | HIS.LYS. | HIS.LYS. | ✔ | 2 | 2 | 2 | ✘ |
| 6EGA-CO-3 | CO | Co²⁺ | H1K1 | HIS.LYS. | HIS.LYS. | ✔ | 2 | 2 | 2 | ✘ |
| 6EGA-CO-4 | CO | Co²⁺ | H1K1 | HIS.LYS. | HIS.LYS. | ✔ | 2 | 2 | 2 | ✘ |
| 6EG9-CO-1 | CO | Co²⁺ | H1K1 | HIS.LYS. | HIS.LYS. | ✔ | 2 | 2 | 2 | ✔ |
| 6EG9-CO-2 | CO | Co²⁺ | H1K1 | HIS.LYS. | HIS.LYS. | ✔ | 2 | 2 | 2 | ✘ |