| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2GHQ-MG-1 | MG | Mg²⁺ | D1N2X1 | ASN.ASP.SEP. | ASN.ASP.SEP. | ✘ | 4 | 4 | 2 | ✔ |
| 2GHT-MG-1 | MG | Mg²⁺ | D1N2X1 | ASN.ASP.SEP. | ASN.ASP.HOH.SEP. | ✘ | 4 | 6 | 2 | ✔ |
| 6DU2-MG-1 | MG | Mg²⁺ | D1N2X1 | ASN.ASP.SEP. | ASN.ASP.HOH.SEP. | ✘ | 4 | 6 | 2 | ✔ |
| 6DU3-MG-1 | MG | Mg²⁺ | D1N2X1 | ASN.ASP.SEP. | ASN.ASP.HOH.SEP. | ✘ | 4 | 6 | 2 | ✔ |
| 4YH1-MG-1 | MG | Mg²⁺ | D1N2X1 | 4CG.ASN.ASP. | 4CG.ASN.ASP.HOH. | ✘ | 4 | 7 | 2 | ✔ |