| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3P1O-MG-1 | MG | Mg²⁺ | E1K1Q1 | GLN.GLU.LYS. | GLN.GLU.HOH.LYS. | ✔ | 3 | 5 | 2 | ✘ |
| 3P1O-MG-2 | MG | Mg²⁺ | E1K1Q1 | GLN.GLU.LYS. | GLN.GLU.HOH.LYS. | ✔ | 3 | 5 | 2 | ✘ |
| 4DHQ-MG-1 | MG | Mg²⁺ | E1K1Q1 | GLN.GLU.LYS. | GLN.GLU.HOH.LYS. | ✔ | 3 | 6 | 2 | ✔ |
| 4DHQ-MG-2 | MG | Mg²⁺ | E1K1Q1 | GLN.GLU.LYS. | GLN.GLU.HOH.LYS. | ✔ | 3 | 6 | 2 | ✘ |
| 6G6X-NA-1 | NA | Na⁺ | E1K1Q1 | GLN.GLU.LYS. | GLN.GLU.HOH.LYS. | ✔ | 3 | 6 | 2 | ✔ |
| 6G6X-NA-2 | NA | Na⁺ | E1K1Q1 | GLN.GLU.LYS. | GLN.GLU.HOH.LYS. | ✔ | 3 | 6 | 2 | ✔ |
| 7AEW-NA-1 | NA | Na⁺ | E1K1Q1 | GLN.GLU.LYS. | GLN.GLU.HOH.LYS. | ✔ | 3 | 6 | 2 | ✘ |
| 7AEW-NA-2 | NA | Na⁺ | E1K1Q1 | GLN.GLU.LYS. | GLN.GLU.HOH.LYS. | ✔ | 3 | 6 | 2 | ✘ |
| 6QDS-NA-1 | NA | Na⁺ | E1K1Q1 | GLN.GLU.LYS. | GLN.GLU.HOH.LYS. | ✔ | 3 | 5 | 2 | ✘ |
| 6QDS-NA-2 | NA | Na⁺ | E1K1Q1 | GLN.GLU.LYS. | GLN.GLU.HOH.LYS. | ✔ | 3 | 5 | 2 | ✘ |
| 6QDU-NA-1 | NA | Na⁺ | E1K1Q1 | GLN.GLU.LYS. | GLN.GLU.HOH.LYS. | ✔ | 3 | 6 | 2 | ✔ |
| 6QDU-NA-2 | NA | Na⁺ | E1K1Q1 | GLN.GLU.LYS. | GLN.GLU.HOH.LYS. | ✔ | 3 | 6 | 2 | ✘ |
| 7AZ1-CA-1 | CA | Ca²⁺ | E1K1Q1 | GLN.GLU.LYS. | GLN.GLU.HOH.LYS. | ✔ | 3 | 4 | 2 | ✘ |
| 7AZ1-CA-2 | CA | Ca²⁺ | E1K1Q1 | GLN.GLU.LYS. | GLN.GLU.HOH.LYS. | ✔ | 3 | 4 | 2 | ✘ |