| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3JT4-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3JTA-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3JWX-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3JX3-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3JX4-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3JX0-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 3KJ1-ZN-1 | ZN | Zn²⁺ | D1E2 | ASP.GLU. | ACT.ASP.HOH. | ✔ | 3 | 3 | 2 | ✔ |
| 3KJ1-ZN-2 | ZN | Zn²⁺ | D1E2 | ASP.GLU. | ACT.ASP.HOH. | ✔ | 3 | 3 | 2 | ✘ |
| 3KJ1-ZN-3 | ZN | Zn²⁺ | D1E2 | ASP.GLU. | ASP.GLU. | ✔ | 3 | 3 | 2 | ✘ |
| 3KJ1-ZN-4 | ZN | Zn²⁺ | D1E2 | ASP.GLU. | ASP.GLU. | ✔ | 3 | 3 | 2 | ✘ |
| 4C39-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 4CAM-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 4CAN-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 4CAO-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 4CAP-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 4CAQ-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 4CAR-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✔ | 4 | 4 | 2 | ✘ |
| 4CFT-ZN-1 | ZN | Zn²⁺ | C4 | CYS. | CYS. | ✘ | 4 | 4 | 2 | ✔ |
| 4CKV-ZN-1 | ZN | Zn²⁺ | H4 | HIS. | HIS. | ✔ | 4 | 4 | 2 | ✔ |
| 4HL2-ZN-1 | ZN | Zn²⁺ | D1E2 | ASP.GLU. | ASP.GLU.HOH. | ✔ | 3 | 4 | 2 | ✔ |