| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 7VWD-NA-1 | NA | Na⁺ | A2N1 | ALA.ASN. | ALA.ASN.HOH. | ✔ | 3 | 4 | 2 | ✘ |
| 7VWD-NA-2 | NA | Na⁺ | S2 | SER. | SER. | ✔ | 2 | 2 | 2 | ✘ |
| 7VWD-NA-3 | NA | Na⁺ | A2N1S1 | ALA.ASN.SER. | ALA.ASN.HOH.SER. | ✔ | 4 | 5 | 2 | ✘ |
| 7RWU-NI-1 | NI | Ni²⁺ | H6 | HIS. | HIS. | ✔ | 6 | 6 | 3 | ✘ |
| 7RWU-NI-2 | NI | Ni²⁺ | H6 | HIS. | HIS. | ✔ | 6 | 6 | 3 | ✘ |
| 1UTT-CA-1 | CA | Ca²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 3 | ✔ |
| 1UTT-CA-2 | CA | Ca²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 3 | ✘ |
| 3ILG-SR-1 | SR | Sr²⁺ | H3 | HIS. | HIS. | ✔ | 3 | 3 | 3 | ✘ |
| 7LOL-MN-1 | MN | Mn²⁺ | Q3 | GLN. | GLN.HOH. | ✔ | 3 | 6 | 3 | ✔ |
| 7LOL-MN-2 | MN | Mn²⁺ | Q3 | GLN. | GLN.HOH. | ✔ | 3 | 6 | 3 | ✘ |
| 2FL0-FE-1 | FE | Fe²⁺ | N4Q1 | ASN.GLN. | ASN.GLN.HOH. | ✔ | 5 | 6 | 4 | ✘ |
| 2FL0-FE-2 | FE | Fe²⁺ | N4Q1 | ASN.GLN. | ASN.GLN.HOH. | ✔ | 5 | 6 | 4 | ✘ |
| 2FL0-FE-3 | FE | Fe²⁺ | N4Q1 | ASN.GLN. | ASN.GLN.HOH. | ✔ | 5 | 6 | 4 | ✘ |
| 2FL0-FE-7 | FE | Fe²⁺ | N3Q3 | ASN.GLN. | ASN.GLN.HOH. | ✔ | 6 | 7 | 4 | ✘ |
| 2FL0-FE-8 | FE | Fe²⁺ | N3Q3 | ASN.GLN. | ASN.GLN.HOH. | ✔ | 6 | 7 | 4 | ✘ |
| 2FL0-FE-9 | FE | Fe²⁺ | N3Q3 | ASN.GLN. | ASN.GLN.HOH. | ✔ | 6 | 7 | 4 | ✘ |
| 7WM2-K-1 | K | K⁺ | V4 | VAL. | VAL. | ✔ | 4 | 4 | 4 | ✘ |
| 7WM2-K-2 | K | K⁺ | T4 | THR. | THR. | ✔ | 4 | 4 | 4 | ✔ |
| 7WM2-K-3 | K | K⁺ | G4 | GLY. | GLY. | ✔ | 4 | 4 | 4 | ✘ |
| 7WM1-K-1 | K | K⁺ | V4 | VAL. | VAL. | ✘ | 4 | 4 | 4 | ✔ |