| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1OVV-CO-1 | CO | Co²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 2 | ✔ |
| 1OVV-CO-2 | CO | Co²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 2 | ✔ |
| 1OVU-CO-1 | CO | Co²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 2 | ✔ |
| 1OVU-CO-2 | CO | Co²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 2 | ✘ |
| 1JN1-CO-1 | CO | Co²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 3 | ✘ |
| 1JN1-CO-2 | CO | Co²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 3 | ✘ |
| 1JN1-CO-3 | CO | Co²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 3 | ✘ |
| 1JN1-CO-4 | CO | Co²⁺ | E3 | GLU. | GLU. | ✔ | 3 | 3 | 3 | ✘ |
| 7O9D-CO-1 | CO | Co²⁺ | E3 | GLU. | GLU.PEO. | ✔ | 3 | 4 | 2 | ✘ |
| 7O9D-CO-2 | CO | Co²⁺ | E3 | GLU. | GLU.PEO. | ✔ | 3 | 4 | 2 | ✘ |
| 7O9D-CO-3 | CO | Co²⁺ | E3 | GLU. | GLU.PEO. | ✔ | 3 | 4 | 2 | ✔ |
| 7O9D-CO-4 | CO | Co²⁺ | E3 | GLU. | GLU.PEO. | ✔ | 3 | 4 | 2 | ✘ |
| 7O99-CO-1 | CO | Co²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 4 | 2 | ✘ |
| 7O99-CO-2 | CO | Co²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 4 | 2 | ✘ |
| 7O99-CO-3 | CO | Co²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 4 | 2 | ✘ |
| 7O99-CO-4 | CO | Co²⁺ | E3 | GLU. | GLU.HOH. | ✔ | 3 | 4 | 2 | ✘ |