| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5EXC-MG-2 | MG | Mg²⁺ | E1V1 | GLU.VAL. | GLU.VAL. | ✘ | 2 | 2 | 2 | ✔ |
| 2PCU-ZN-1 | ZN | Zn²⁺ | E1V1 | GLU.VAL. | GLU.VAL. | ✘ | 2 | 2 | 2 | ✔ |
| 2ABZ-ZN-1 | ZN | Zn²⁺ | E1V1 | GLU.VAL. | GLU.VAL. | ✘ | 2 | 2 | 2 | ✔ |
| 2ABZ-ZN-2 | ZN | Zn²⁺ | E1V1 | GLU.VAL. | GLU.VAL. | ✘ | 2 | 2 | 2 | ✘ |
| 5LV0-ZN-1 | ZN | Zn²⁺ | E1V1 | GLU.VAL. | GLU.VAL. | ✘ | 2 | 2 | 2 | ✔ |
| 7C2H-CA-2 | CA | Ca²⁺ | E1V1 | GLU.VAL. | GLU.HOH.VAL. | ✘ | 2 | 5 | 2 | ✔ |
| 7B2H-MG-1 | MG | Mg²⁺ | E1V1 | GLU.VAL. | GLU.HOH.VAL. | ✔ | 2 | 4 | 2 | ✔ |