| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3U27-CA-1 | CA | Ca²⁺ | N3 | ASN. | ASN.HOH. | ✔ | 3 | 7 | 3 | ✘ |
| 3UQ4-NA-1 | NA | Na⁺ | N3 | ASN. | ASN. | ✔ | 3 | 3 | 3 | ✔ |
| 3MQG-NA-1 | NA | Na⁺ | N3 | ASN. | ASN.HOH. | ✔ | 3 | 6 | 3 | ✔ |
| 3MQH-NA-1 | NA | Na⁺ | N3 | ASN. | ASN.HOH. | ✔ | 3 | 6 | 3 | ✘ |
| 5H35-NA-1 | NA | Na⁺ | N3 | ASN. | ASN.HOH. | ✔ | 3 | 6 | 3 | ✔ |
| 6ARD-NA-1 | NA | Na⁺ | N3 | ASN. | ASN.HOH. | ✔ | 3 | 4 | 3 | ✔ |
| 6ARC-NA-1 | NA | Na⁺ | N3 | ASN. | ASN.HOH. | ✔ | 3 | 6 | 3 | ✘ |
| 4TLH-NA-1 | NA | Na⁺ | N3 | ASN. | ASN.HOH. | ✔ | 3 | 6 | 3 | ✔ |
| 4TME-NA-1 | NA | Na⁺ | N3 | ASN. | ASN.HOH. | ✔ | 3 | 6 | 3 | ✘ |
| 4TM6-NA-1 | NA | Na⁺ | N3 | ASN. | ASN.HOH. | ✔ | 3 | 6 | 3 | ✘ |
| 4EDI-NA-1 | NA | Na⁺ | N3 | ASN. | ASN. | ✔ | 3 | 3 | 3 | ✘ |
| 6N9H-NA-1 | NA | Na⁺ | N3 | ASN. | ASN.HOH. | ✔ | 3 | 6 | 3 | ✔ |
| 4R42-CA-5 | CA | Ca²⁺ | N3 | ASN. | ASN.HOH. | ✔ | 3 | 6 | 3 | ✔ |
| 4R42-CA-6 | CA | Ca²⁺ | N3 | ASN. | ASN.HOH. | ✔ | 3 | 6 | 3 | ✘ |
| 4R36-CA-1 | CA | Ca²⁺ | N3 | ASN. | ASN.HOH. | ✔ | 3 | 6 | 3 | ✔ |
| 4R37-CA-1 | CA | Ca²⁺ | N3 | ASN. | ASN.HOH. | ✔ | 3 | 7 | 3 | ✘ |
| 1HM9-CA-1 | CA | Ca²⁺ | N3 | ASN. | ASN.HOH. | ✔ | 3 | 6 | 3 | ✔ |
| 6J42-CA-5 | CA | Ca²⁺ | N3 | ASN. | ASN.HOH. | ✔ | 3 | 4 | 3 | ✔ |
| 6J42-CA-6 | CA | Ca²⁺ | N3 | ASN. | ASN.HOH. | ✔ | 3 | 4 | 3 | ✘ |
| 6U4B-MG-1 | MG | Mg²⁺ | N3 | ASN. | ASN.HOH. | ✔ | 3 | 6 | 3 | ✔ |