| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2WYF-CA-1 | CA | Ca²⁺ | D1N2T1X1Y1 | ASN.ASP.GLA.THR.TYR. | ASN.ASP.GLA.THR.TYR. | ✘ | 6 | 6 | 2 | ✔ |
| 2VXJ-CA-1 | CA | Ca²⁺ | D1N2T1X1Y1 | ASN.ASP.GLA.THR.TYR. | ASN.ASP.GLA.THR.TYR. | ✘ | 6 | 6 | 2 | ✔ |