Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 13 |
| Details | binding site for residue 81U A 500 |
| Chain | Residue |
| A | ILE146 |
| A | HOH610 |
| A | HOH749 |
| B | ALA222 |
| B | GLU223 |
| A | TRP150 |
| A | TYR183 |
| A | ALA218 |
| A | ALA222 |
| A | GLU247 |
| A | TYR249 |
| A | PEG501 |
| A | HOH603 |
| site_id | AC2 |
| Number of Residues | 8 |
| Details | binding site for residue PEG A 501 |
| Chain | Residue |
| A | TRP150 |
| A | ALA218 |
| A | TYR249 |
| A | PHE253 |
| A | PRO256 |
| A | 81U500 |
| A | HOH601 |
| A | HOH734 |
| site_id | AC3 |
| Number of Residues | 10 |
| Details | binding site for residue 81U B 500 |
| Chain | Residue |
| A | ALA222 |
| A | HOH708 |
| B | ILE146 |
| B | ALA218 |
| B | ALA222 |
| B | PHE225 |
| B | GLU247 |
| B | TYR249 |
| B | PEG501 |
| B | HOH601 |
| site_id | AC4 |
| Number of Residues | 10 |
| Details | binding site for residue PEG B 501 |
| Chain | Residue |
| B | TRP150 |
| B | SER169 |
| B | ALA218 |
| B | TYR249 |
| B | PHE253 |
| B | PRO256 |
| B | 81U500 |
| B | HOH604 |
| B | HOH629 |
| B | HOH722 |