| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2NQJ-ZN-1 | ZN | Zn²⁺ | E1X1 | 3DR.GLU. | 3DR.GLU. | ✘ | 2 | 2 | 2 | ✔ |
| 4KS6-ZN-1 | ZN | Zn²⁺ | E1X1 | DPP.GLU. | DPP.GLU. | ✘ | 2 | 2 | 2 | ✔ |
| 3BOO-ZN-1 | ZN | Zn²⁺ | E1X1 | CSO.GLU. | CSO.GLU. | ✘ | 2 | 2 | 2 | ✔ |
| 4FYT-ZN-1 | ZN | Zn²⁺ | E1X1 | GLU.L2O. | GLU.L2O. | ✘ | 2 | 2 | 2 | ✔ |
| 5O1J-ZN-1 | ZN | Zn²⁺ | E1X1 | GLU.Z4S. | GLU.HOH.Z4S. | ✘ | 2 | 7 | 2 | ✔ |
| 4Z7I-ZN-1 | ZN | Zn²⁺ | E1X1 | 2X0.GLU. | 2X0.GLU. | ✘ | 2 | 2 | 2 | ✔ |
| 2Y6I-ZN-1 | ZN | Zn²⁺ | E1X1 | GLU.IPI. | GLU.HOH.IPI. | ✘ | 2 | 3 | 2 | ✔ |