| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5VS2-CA-2 | CA | Ca²⁺ | C1I1T1V1 | DC.ILE.THR.VAL. | DC.HOH.ILE.THR.VAL. | ✘ | 4 | 5 | 2 | ✘ |
| 5VS1-CA-2 | CA | Ca²⁺ | C1I1T1V1 | DC.ILE.THR.VAL. | DC.ILE.THR.VAL. | ✘ | 4 | 4 | 2 | ✔ |
| 5VRX-CA-2 | CA | Ca²⁺ | C1I1T1V1 | DC.ILE.THR.VAL. | DC.HOH.ILE.THR.VAL. | ✘ | 4 | 6 | 2 | ✔ |
| 5VRW-CA-2 | CA | Ca²⁺ | C1I1T1V1 | DC.ILE.THR.VAL. | DC.HOH.ILE.THR.VAL. | ✘ | 4 | 5 | 2 | ✘ |