| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5J2B-NA-2 | NA | Na⁺ | C1K1L1V1 | DC.LEU.LYS.VAL. | DC.LEU.LYS.VAL. | ✘ | 4 | 4 | 2 | ✘ |
| 5J2A-NA-1 | NA | Na⁺ | G1I1T1 | DG.ILE.THR. | DG.HOH.ILE.THR. | ✘ | 3 | 4 | 2 | ✘ |
| 5J2D-NA-1 | NA | Na⁺ | G1I1T1V1 | DG.ILE.THR.VAL. | DG.HOH.ILE.THR.VAL. | ✘ | 4 | 6 | 2 | ✘ |
| 5J2D-NA-2 | NA | Na⁺ | C1K1L1V1 | DC.LEU.LYS.VAL. | DC.HOH.LEU.LYS.VAL. | ✘ | 4 | 5 | 2 | ✘ |
| 5J2C-NA-1 | NA | Na⁺ | G1I1T1V1 | DG.ILE.THR.VAL. | DG.HOH.ILE.THR.VAL. | ✘ | 4 | 6 | 2 | ✘ |
| 5J2C-NA-2 | NA | Na⁺ | C1K1L1V1 | DC.LEU.LYS.VAL. | DC.HOH.LEU.LYS.VAL. | ✘ | 4 | 6 | 2 | ✘ |
| 5IRB-CA-1 | CA | Ca²⁺ | A2D2 | ALA.ASP. | ALA.ASP.HOH. | ✔ | 4 | 6 | 2 | ✔ |
| 4KGD-K-1 | K | K⁺ | M2Q2 | GLN.MET. | GLN.HOH.MET. | ✔ | 4 | 6 | 2 | ✔ |
| 4KLM-NA-1 | NA | Na⁺ | C1K1L1V1 | DC.LEU.LYS.VAL. | DC.HOH.LEU.LYS.VAL. | ✘ | 4 | 6 | 2 | ✘ |
| 4KLM-NA-2 | NA | Na⁺ | G1I1T1V1 | DG.ILE.THR.VAL. | DG.HOH.ILE.THR.VAL. | ✘ | 4 | 6 | 2 | ✘ |
| 4KLO-NA-1 | NA | Na⁺ | C2D3 | ASP.DC. | ASP.DC. | ✘ | 5 | 5 | 2 | ✘ |
| 4KLO-NA-2 | NA | Na⁺ | C1K1L1V1 | DC.LEU.LYS.VAL. | DC.HOH.LEU.LYS.VAL. | ✘ | 4 | 6 | 2 | ✘ |
| 4KLO-NA-3 | NA | Na⁺ | G1I1T1V1 | DG.ILE.THR.VAL. | DG.HOH.ILE.THR.VAL. | ✘ | 4 | 6 | 2 | ✘ |
| 4KLF-NA-1 | NA | Na⁺ | G1I1T1V1 | DG.ILE.THR.VAL. | DG.HOH.ILE.THR.VAL. | ✘ | 4 | 6 | 2 | ✘ |
| 4KLF-NA-2 | NA | Na⁺ | C1K1L1V1 | DC.LEU.LYS.VAL. | DC.HOH.LEU.LYS.VAL. | ✘ | 4 | 6 | 2 | ✘ |
| 4KLG-NA-1 | NA | Na⁺ | C2D3 | ASP.DC. | HOH. | ✘ | 5 | 6 | 2 | ✔ |
| 4KLG-NA-2 | NA | Na⁺ | G1I1T1V1 | DG.ILE.THR.VAL. | ASP.DC. | ✘ | 4 | 5 | 2 | ✘ |
| 4KLG-NA-3 | NA | Na⁺ | C1K1L1V1 | DC.LEU.LYS.VAL. | DG.HOH.ILE.THR.VAL. | ✘ | 4 | 6 | 2 | ✘ |
| 4KLI-NA-1 | NA | Na⁺ | C1K1L1V1 | DC.LEU.LYS.VAL. | DC.HOH.LEU.LYS.VAL. | ✘ | 4 | 6 | 2 | ✔ |
| 4KLI-NA-2 | NA | Na⁺ | G1I1T1V1 | DG.ILE.THR.VAL. | DG.HOH.ILE.THR.VAL. | ✘ | 4 | 6 | 2 | ✔ |