| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2VZQ-CA-1 | CA | Ca²⁺ | N2X1Y1 | AQA.ASN.TYR. | AQA.ASN.HOH.TYR. | ✘ | 4 | 7 | 2 | ✔ |
| 2W47-CA-1 | CA | Ca²⁺ | N2X1Y1 | AQA.ASN.TYR. | AQA.ASN.HOH.TYR. | ✘ | 4 | 7 | 2 | ✔ |