| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1Z1C-CA-1 | CA | Ca²⁺ | C2N1T2 | ASN.DC.DT. | ASN.DC.DT. | ✘ | 5 | 5 | 2 | ✔ |
| 1Z1C-CA-2 | CA | Ca²⁺ | C2N1T2 | ASN.DC.DT. | ASN.DC.DT. | ✘ | 5 | 5 | 2 | ✘ |
| 1Z1C-CA-3 | CA | Ca²⁺ | C2N1T2 | ASN.DC.DT. | ASN.DC.DT. | ✘ | 5 | 5 | 2 | ✘ |
| 1Z1C-CA-4 | CA | Ca²⁺ | C2N1T2 | ASN.DC.DT. | ASN.DC.DT. | ✘ | 5 | 5 | 2 | ✘ |
| 1Z1C-CA-5 | CA | Ca²⁺ | C2N1T2 | ASN.DC.DT. | ASN.DC.DT. | ✘ | 5 | 5 | 2 | ✘ |
| 1Z1C-CA-6 | CA | Ca²⁺ | C2N1T2 | ASN.DC.DT. | ASN.DC.DT. | ✘ | 5 | 5 | 2 | ✘ |
| 1Z1C-CA-7 | CA | Ca²⁺ | C2N1T2 | ASN.DC.DT. | ASN.DC.DT. | ✘ | 5 | 5 | 2 | ✘ |
| 1Z1C-CA-8 | CA | Ca²⁺ | C2N1T2 | ASN.DC.DT. | ASN.DC.DT. | ✘ | 5 | 5 | 2 | ✘ |
| 1Z1C-CA-9 | CA | Ca²⁺ | C2N1T2 | ASN.DC.DT. | ASN.DC.DT. | ✘ | 5 | 5 | 2 | ✘ |
| 1Z1C-CA-10 | CA | Ca²⁺ | C2N1T2 | ASN.DC.DT. | ASN.DC.DT. | ✘ | 5 | 5 | 2 | ✔ |
| 1Z1C-CA-11 | CA | Ca²⁺ | C2N1T2 | ASN.DC.DT. | ASN.DC.DT. | ✘ | 5 | 5 | 2 | ✘ |
| 1Z1C-CA-12 | CA | Ca²⁺ | C2N1T2 | ASN.DC.DT. | ASN.DC.DT. | ✘ | 5 | 5 | 2 | ✘ |
| 1Z1C-CA-13 | CA | Ca²⁺ | C2N1T2 | ASN.DC.DT. | ASN.DC.DT. | ✘ | 5 | 5 | 2 | ✘ |
| 1Z1C-CA-14 | CA | Ca²⁺ | C2N1T2 | ASN.DC.DT. | ASN.DC.DT. | ✘ | 5 | 5 | 2 | ✘ |
| 1Z1C-CA-15 | CA | Ca²⁺ | C2N1T2 | ASN.DC.DT. | ASN.DC.DT. | ✘ | 5 | 5 | 2 | ✘ |
| 1Z1C-CA-16 | CA | Ca²⁺ | C2N1T2 | ASN.DC.DT. | ASN.DC.DT. | ✘ | 5 | 5 | 2 | ✘ |
| 1Z1C-CA-17 | CA | Ca²⁺ | C2N1T2 | ASN.DC.DT. | ASN.DC.DT. | ✘ | 5 | 5 | 2 | ✘ |
| 1Z1C-CA-18 | CA | Ca²⁺ | C2N1T2 | ASN.DC.DT. | ASN.DC.DT. | ✘ | 5 | 5 | 2 | ✘ |
| 1Z1C-CA-19 | CA | Ca²⁺ | C2N1T2 | ASN.DC.DT. | ASN.DC.DT. | ✘ | 5 | 5 | 2 | ✘ |
| 1Z1C-CA-20 | CA | Ca²⁺ | C2N1T2 | ASN.DC.DT. | ASN.DC.DT. | ✘ | 5 | 5 | 2 | ✘ |