Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 11 |
| Details | binding site for residue FLU A 301 |
| Chain | Residue |
| A | HIS35 |
| L | SER32 |
| L | ASP33 |
| A | ARG99 |
| A | HOH420 |
| B | TYR37 |
| B | ASN39 |
| B | ARG51 |
| B | TRP94 |
| B | GLY96 |
| B | GLN101 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 B 901 |
| Chain | Residue |
| B | HIS98 |
| B | PHE99 |
| L | HIS98 |
| L | PHE99 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 B 902 |
| Chain | Residue |
| B | GLU159 |
| B | ARG160 |
| B | GLN161 |
| B | ASN162 |
| site_id | AC4 |
| Number of Residues | 13 |
| Details | binding site for residue FLU H 901 |
| Chain | Residue |
| B | SER32 |
| B | ASP33 |
| H | HIS35 |
| H | ARG99 |
| H | HOH1029 |
| H | HOH1032 |
| L | TYR37 |
| L | ASN39 |
| L | ARG51 |
| L | TYR54 |
| L | TRP94 |
| L | GLY96 |
| L | GLN101 |
| site_id | AC5 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 H 902 |
| Chain | Residue |
| H | GLY26 |
| H | LYS74 |
| H | ASN77 |
| H | HOH1002 |
| site_id | AC6 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 L 301 |
| Chain | Residue |
| L | ASN150 |
| L | LYS204 |
| L | THR205 |
| L | HOH429 |
| site_id | AC7 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 L 302 |
| Chain | Residue |
| L | GLU159 |
| L | ARG160 |
| L | GLN161 |
| L | ASN162 |
