| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5HU3-MG-1 | MG | Mg²⁺ | D1N1X1 | ASN.ASP.TPO. | ADP.ASN.ASP.HOH.TPO. | ✘ | 3 | 5 | 2 | ✔ |
| 1PKG-MG-1 | MG | Mg²⁺ | D1N1X1 | ASN.ASP.PTR. | ADP.ASN.ASP.PTR. | ✔ | 3 | 4 | 2 | ✔ |
| 1PKG-MG-2 | MG | Mg²⁺ | D1N1X1 | ASN.ASP.PTR. | ADP.ASN.ASP.PTR. | ✔ | 3 | 4 | 2 | ✔ |
| 1PKG-MG-3 | MG | Mg²⁺ | D1N1X1 | ASN.ASP.PTR. | ADP.ASN.ASP.PTR. | ✔ | 3 | 4 | 2 | ✔ |
| 1PKG-MG-4 | MG | Mg²⁺ | D1N1X1 | ASN.ASP.PTR. | ADP.ASN.ASP.PTR. | ✔ | 3 | 4 | 2 | ✘ |
| 1G1R-CA-2 | CA | Ca²⁺ | D1N1X1 | ASN.ASP.FUC. | ASN.ASP.FUC. | ✘ | 3 | 3 | 2 | ✔ |
| 4PEH-MN-1 | MN | Mn²⁺ | D1N1X1 | A2P.ASN.ASP. | A2P.ASN.ASP.HOH. | ✘ | 3 | 4 | 2 | ✔ |
| 4PEI-NI-1 | NI | Ni²⁺ | D1N1X1 | ASN.ASP.G46. | ASN.ASP.G46.HOH. | ✘ | 3 | 4 | 2 | ✔ |