| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3T4Y-MG-1 | MG | Mg²⁺ | H1N1 | ASN.HIS. | ASN.HIS. | ✘ | 2 | 2 | 2 | ✘ |
| 3NA9-ZN-1 | ZN | Zn²⁺ | H1N1 | ASN.HIS. | ASN.HIS. | ✘ | 2 | 2 | 2 | ✔ |
| 4D9Q-ZN-2 | ZN | Zn²⁺ | H1N1 | ASN.HIS. | ASN.HIS. | ✘ | 2 | 2 | 2 | ✔ |
| 1RUR-ZN-1 | ZN | Zn²⁺ | H1N1 | ASN.HIS. | ASN.HIS. | ✘ | 2 | 2 | 2 | ✔ |
| 1RUQ-ZN-1 | ZN | Zn²⁺ | H1N1 | ASN.HIS. | ASN.HIS. | ✘ | 2 | 2 | 2 | ✘ |
| 4FZ8-ZN-1 | ZN | Zn²⁺ | H1N1 | ASN.HIS. | ASN.HIS. | ✘ | 2 | 2 | 2 | ✘ |
| 4HGW-ZN-1 | ZN | Zn²⁺ | H1N1 | ASN.HIS. | ASN.HIS. | ✘ | 2 | 2 | 2 | ✔ |
| 7RAJ-ZN-1 | ZN | Zn²⁺ | H1N1 | ASN.HIS. | ASN.HIS. | ✘ | 2 | 2 | 2 | ✘ |
| 7L79-ZN-1 | ZN | Zn²⁺ | H1N1 | ASN.HIS. | ASN.HIS. | ✘ | 2 | 2 | 2 | ✔ |