| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2WIN-MG-1 | MG | Mg²⁺ | N1S2T1 | ASN.SER.THR. | ASN.HOH.SER.THR. | ✘ | 4 | 6 | 2 | ✔ |
| 2WIN-MG-2 | MG | Mg²⁺ | N1S2T1 | ASN.SER.THR. | ASN.HOH.SER.THR. | ✘ | 4 | 6 | 2 | ✘ |
| 2XWB-MG-1 | MG | Mg²⁺ | N1S2T1 | ASN.SER.THR. | ASN.HOH.SER.THR. | ✘ | 4 | 6 | 2 | ✔ |
| 6RUR-MG-1 | MG | Mg²⁺ | N1S2T1 | ASN.SER.THR. | ASN.SER.THR. | ✘ | 4 | 4 | 2 | ✔ |
| 6RUR-MG-2 | MG | Mg²⁺ | N1S2T1 | ASN.SER.THR. | ASN.SER.THR. | ✘ | 4 | 4 | 2 | ✔ |
| 6RUV-MG-1 | MG | Mg²⁺ | N1S2T1 | ASN.SER.THR. | ASN.SER.THR. | ✘ | 4 | 4 | 2 | ✘ |
| 6RUV-MG-2 | MG | Mg²⁺ | N1S2T1 | ASN.SER.THR. | ASN.SER.THR. | ✘ | 4 | 4 | 2 | ✔ |
| 7NOZ-MG-1 | MG | Mg²⁺ | N1S2T1 | ASN.SER.THR. | ASN.HOH.SER.THR. | ✘ | 4 | 6 | 2 | ✔ |