| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6KMX-CA-1 | CA | Ca²⁺ | E1P1V1 | GLU.PRO.VAL. | GLU.HOH.PRO.VAL. | ✔ | 3 | 5 | 2 | ✔ |
| 6KMX-CA-2 | CA | Ca²⁺ | E1P1V1 | GLU.PRO.VAL. | GLU.HOH.PRO.VAL. | ✔ | 3 | 5 | 2 | ✘ |
| 6KMX-CA-3 | CA | Ca²⁺ | E1P1V1 | GLU.PRO.VAL. | GLU.HOH.PRO.VAL. | ✔ | 3 | 5 | 2 | ✘ |