| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 4CI0-ZN-4 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 4CI0-ZN-5 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 4CI0-ZN-6 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3FG1-CA-1 | CA | Ca²⁺ | E1N1 | ASN.GLU. | ASN.GLU.HOH. | ✔ | 2 | 7 | 2 | ✔ |
| 3FG1-CA-2 | CA | Ca²⁺ | E1N1 | ASN.GLU. | ASN.GLU.HOH. | ✔ | 2 | 7 | 2 | ✘ |
| 3FG1-CA-3 | CA | Ca²⁺ | E1N1 | ASN.GLU. | ASN.GLU.HOH. | ✔ | 2 | 7 | 2 | ✘ |
| 3FG1-CA-4 | CA | Ca²⁺ | E1N1 | ASN.GLU. | ASN.GLU.HOH. | ✔ | 2 | 7 | 2 | ✘ |
| 3FG3-CA-1 | CA | Ca²⁺ | E1N1 | ASN.GLU. | ASN.GLU.HOH. | ✔ | 2 | 7 | 2 | ✘ |
| 3FG3-CA-2 | CA | Ca²⁺ | E1N1 | ASN.GLU. | ASN.GLU.HOH. | ✔ | 2 | 7 | 2 | ✘ |
| 3FG3-CA-3 | CA | Ca²⁺ | E1N1 | ASN.GLU. | ASN.GLU.HOH. | ✔ | 2 | 7 | 2 | ✘ |
| 3FG3-CA-4 | CA | Ca²⁺ | E1N1 | ASN.GLU. | ASN.GLU.HOH. | ✔ | 2 | 7 | 2 | ✘ |
| 3FG4-CA-1 | CA | Ca²⁺ | E1N1 | ASN.GLU. | ASN.GLU.HOH. | ✔ | 2 | 7 | 2 | ✘ |
| 3FG4-CA-2 | CA | Ca²⁺ | E1N1 | ASN.GLU. | ASN.GLU.HOH. | ✔ | 2 | 7 | 2 | ✘ |
| 3FG4-CA-3 | CA | Ca²⁺ | E1N1 | ASN.GLU. | ASN.GLU.HOH. | ✔ | 2 | 7 | 2 | ✘ |
| 3FG4-CA-4 | CA | Ca²⁺ | E1N1 | ASN.GLU. | ASN.GLU.HOH. | ✔ | 2 | 7 | 2 | ✘ |
| 3IS8-K-1 | K | K⁺ | Q4 | GLN. | GLN. | ✔ | 4 | 4 | 4 | ✘ |
| 3IS8-K-2 | K | K⁺ | N2Q3 | ASN.GLN. | ASN.GLN. | ✔ | 5 | 5 | 4 | ✘ |
| 3IS8-K-3 | K | K⁺ | N1Q4 | ASN.GLN. | ASN.GLN. | ✔ | 5 | 5 | 4 | ✘ |
| 3IS8-K-4 | K | K⁺ | Q4 | GLN. | GLN. | ✔ | 4 | 4 | 4 | ✘ |
| 3IS8-K-5 | K | K⁺ | Q4 | GLN. | GLN. | ✔ | 4 | 4 | 4 | ✘ |