Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE PEG A 101 |
| Chain | Residue |
| A | ARG61 |
| A | PEG102 |
| A | HOH213 |
| A | HOH220 |
| C | ASP56 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE PEG A 102 |
| Chain | Residue |
| A | HOH244 |
| C | LYS53 |
| C | GLU57 |
| A | LYS53 |
| A | PEG101 |
| A | HOH213 |
| A | HOH233 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE PEG B 501 |
| Chain | Residue |
| B | LYS53 |
| B | ASP56 |
| B | PEG503 |
| B | HOH614 |
| site_id | AC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE PEG B 502 |
| Chain | Residue |
| B | GLU49 |
| B | LYS53 |
| B | HOH617 |
| C | GLU63 |
| site_id | AC5 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE PEG B 503 |
| Chain | Residue |
| B | GLU63 |
| B | PEG501 |
| B | HOH615 |
| C | GLU49 |
| C | ASP56 |
| site_id | AC6 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE PEG B 504 |
| site_id | AC7 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE PEG B 505 |
| Chain | Residue |
| A | GLU49 |
| A | ASP56 |
| B | LYS44 |
| B | ALA51 |
| B | ARG54 |
| B | HOH627 |
| site_id | AC8 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE PEG C 102 |
| Chain | Residue |
| A | ALA51 |
| A | ASN55 |
| C | ARG54 |
| C | GLU57 |
| C | VAL58 |