| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6HUB-MG-1 | MG | Mg²⁺ | D2H1 | ASP.HIS. | ASP.HIS. | ✘ | 3 | 3 | 2 | ✘ |
| 6HUV-MG-2 | MG | Mg²⁺ | D2H1 | ASP.HIS. | ASP.HIS. | ✘ | 3 | 3 | 2 | ✔ |
| 6HUU-MG-1 | MG | Mg²⁺ | D2H1 | ASP.HIS. | ASP.HIS. | ✘ | 3 | 3 | 2 | ✔ |
| 6HUQ-MG-1 | MG | Mg²⁺ | D2H1 | ASP.HIS. | ASP.HIS. | ✘ | 3 | 3 | 2 | ✔ |
| 6HUC-MG-3 | MG | Mg²⁺ | D2H1 | ASP.HIS. | ASP.HIS. | ✘ | 3 | 3 | 2 | ✔ |