| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 4K1T-ZN-1 | ZN | Zn²⁺ | D1E1G1 | ASP.GLU.GLY. | ASP.GLU.GLY. | ✔ | 3 | 3 | 3 | ✔ |
| 4K1T-ZN-8 | ZN | Zn²⁺ | D1E1G1 | ASP.GLU.GLY. | ASP.HOH.SO4. | ✔ | 3 | 3 | 3 | ✘ |
| 4K1T-ZN-13 | ZN | Zn²⁺ | D1E1G1 | ASP.GLU.GLY. | GLY.HIS. | ✔ | 3 | 2 | 3 | ✔ |