| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6B0J-CA-1 | CA | Ca²⁺ | D3N1X1 | ASN.ASP.G4S. | ASN.ASP.G4S. | ✘ | 5 | 5 | 2 | ✔ |
| 6B0J-CA-2 | CA | Ca²⁺ | D3N1X1 | ASN.ASP.G4S. | ASN.ASP.G4S. | ✘ | 5 | 5 | 2 | ✔ |
| 6B0J-CA-3 | CA | Ca²⁺ | D3N1X1 | ASN.ASP.G4S. | ASN.ASP.G4S. | ✘ | 5 | 5 | 2 | ✔ |
| 6B1V-CA-1 | CA | Ca²⁺ | D3N1X1 | ASN.ASP.G4S. | ASN.ASP.G4S. | ✘ | 5 | 5 | 2 | ✔ |
| 6B1V-CA-2 | CA | Ca²⁺ | D3N1X1 | ASN.ASP.G4S. | ASN.ASP.G4S. | ✘ | 5 | 5 | 2 | ✔ |
| 6B1V-CA-3 | CA | Ca²⁺ | D3N1X1 | ASN.ASP.G4S. | ASN.ASP.G4S. | ✘ | 5 | 5 | 2 | ✔ |