| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6JEE-CD-8 | CD | Cd²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 7 | 3 | ✘ |
| 6GXJ-CD-1 | CD | Cd²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 6 | 3 | ✔ |
| 6GXJ-CD-2 | CD | Cd²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 6 | 3 | ✘ |
| 6GXJ-CD-3 | CD | Cd²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 6 | 3 | ✘ |
| 6GXJ-CD-4 | CD | Cd²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 6 | 3 | ✘ |
| 6GXJ-CD-5 | CD | Cd²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 6 | 3 | ✘ |
| 6GXJ-CD-6 | CD | Cd²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 6 | 3 | ✘ |
| 6GXJ-CD-7 | CD | Cd²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 6 | 3 | ✘ |
| 6GXJ-CD-8 | CD | Cd²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 6 | 3 | ✘ |
| 5YTQ-LA-1 | LA | La³⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 2 | ✔ |
| 5I2S-YB-1 | YB | Yb³⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 3 | ✔ |
| 1MOJ-FE-1 | FE | Fe³⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 6 | 3 | ✔ |
| 1MOJ-FE-2 | FE | Fe³⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 6 | 3 | ✘ |
| 1MOJ-FE-3 | FE | Fe³⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 6 | 3 | ✘ |
| 1MOJ-FE-4 | FE | Fe³⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 6 | 3 | ✘ |
| 7BD7-CD-1 | CD | Cd²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 3 | ✘ |
| 7BD7-CD-2 | CD | Cd²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 3 | ✘ |
| 7BD7-CD-3 | CD | Cd²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 3 | ✘ |
| 7BD7-CD-4 | CD | Cd²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 3 | ✘ |
| 7BD7-CD-5 | CD | Cd²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 3 | ✘ |