| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3OYK-MN-1 | MN | Mn²⁺ | A1D1E1 | ASP.DA.GLU. | ASP.DA.GLU.HOH. | ✘ | 3 | 5 | 2 | ✔ |
| 3OYK-MN-2 | MN | Mn²⁺ | A1D1E1 | ASP.DA.GLU. | ASP.DA.GLU.HOH. | ✘ | 3 | 5 | 2 | ✘ |
| 4E7L-MN-1 | MN | Mn²⁺ | A1D1E1 | ASP.DA.GLU. | ASP.DA.GLU. | ✘ | 3 | 3 | 2 | ✘ |
| 4E7L-MN-2 | MN | Mn²⁺ | A1D1E1 | ASP.DA.GLU. | ASP.DA.GLU. | ✘ | 3 | 3 | 2 | ✘ |
| 6PUT-CA-1 | CA | Ca²⁺ | A1D1E1 | ASP.DA.GLU. | ASP.DA.GLU. | ✘ | 3 | 3 | 2 | ✔ |
| 6PUT-CA-2 | CA | Ca²⁺ | A1D1E1 | ASP.DA.GLU. | ASP.DA.GLU. | ✘ | 3 | 3 | 2 | ✔ |
| 7L1A-K-1 | K | K⁺ | A1D1E1 | ALA.ASP.GLU. | ALA.ASP.GLU.HOH.XE1. | ✔ | 3 | 5 | 2 | ✔ |
| 7L1A-K-2 | K | K⁺ | A1D1E1 | ALA.ASP.GLU. | ALA.ASP.GLU.HOH.XE1. | ✔ | 3 | 5 | 2 | ✘ |
| 6JAU-CA-1 | CA | Ca²⁺ | A1D1E1 | ALA.ASP.GLU. | ALA.ASP.GLU.HOH. | ✘ | 3 | 6 | 2 | ✔ |
| 1STX-MN-2 | MN | Mn²⁺ | A1D1E1 | ASP.DA.GLU. | ASP.DA.GLU.HOH. | ✘ | 3 | 5 | 2 | ✘ |
| 1SX5-MN-1 | MN | Mn²⁺ | A1D1E1 | ASP.DA.GLU. | ASP.DA.GLU.HOH. | ✘ | 3 | 5 | 2 | ✔ |
| 8AXZ-K-1 | K | K⁺ | A1D1E1 | ALA.ASP.GLU. | ALA.ASP.GLU.HOH.PPK. | ✔ | 3 | 5 | 2 | ✘ |
| 8AXZ-K-2 | K | K⁺ | A1D1E1 | ALA.ASP.GLU. | ALA.ASP.GLU.HOH.PPK. | ✔ | 3 | 5 | 2 | ✘ |
| 7RXV-K-1 | K | K⁺ | A1D1E1 | ALA.ASP.GLU. | ALA.ASP.GLU.HOH.MLA. | ✔ | 3 | 5 | 2 | ✘ |
| 7RXV-K-2 | K | K⁺ | A1D1E1 | ALA.ASP.GLU. | ALA.ASP.GLU.HOH.MLA. | ✔ | 3 | 5 | 2 | ✔ |
| 7RXX-K-1 | K | K⁺ | A1D1E1 | ALA.ASP.GLU. | ALA.ASP.GLU.HOH. | ✔ | 3 | 5 | 2 | ✘ |
| 7RXX-K-2 | K | K⁺ | A1D1E1 | ALA.ASP.GLU. | ALA.ASP.GLU.HOH. | ✔ | 3 | 5 | 2 | ✘ |
| 7RXW-K-1 | K | K⁺ | A1D1E1 | ALA.ASP.GLU. | 2PN.ALA.ASP.GLU.HOH. | ✔ | 3 | 5 | 2 | ✔ |
| 7RXW-K-2 | K | K⁺ | A1D1E1 | ALA.ASP.GLU. | 2PN.ALA.ASP.GLU.HOH. | ✔ | 3 | 5 | 2 | ✘ |