Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE HG A 501 |
| Chain | Residue |
| A | THR66 |
| A | CYS468 |
| A | HOH737 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE HG A 502 |
| Chain | Residue |
| A | HOH740 |
| A | CYS204 |
| A | ASP419 |
| A | ASP421 |
| A | HIS451 |
| A | SER452 |
| A | HOH739 |
| site_id | AC3 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE PEG A 503 |
| Chain | Residue |
| A | PRO86 |
| A | GLN87 |
| A | GLN99 |
| site_id | AC4 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE PEG A 504 |
| site_id | AC5 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE PEG A 505 |
| Chain | Residue |
| A | TRP218 |
| A | LYS262 |
| A | ALA287 |
| A | GLY288 |
| A | ARG293 |
| A | SER333 |
| A | LEU336 |
| site_id | AC6 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE HG B 501 |
| Chain | Residue |
| B | TYR62 |
| B | THR66 |
| B | CYS468 |
| B | HOH735 |
| site_id | AC7 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE HG B 502 |
| Chain | Residue |
| B | CYS204 |
| B | ASP419 |
| B | ASP421 |
| B | HOH743 |
| site_id | AC8 |
| Number of Residues | 15 |
| Details | BINDING SITE FOR RESIDUE 1PE B 503 |
| Chain | Residue |
| A | THR382 |
| A | GLN384 |
| B | ALA65 |
| B | THR66 |
| B | SER122 |
| B | GLY123 |
| B | GLN124 |
| B | ARG125 |
| B | GLN147 |
| B | ASP153 |
| B | ASN155 |
| B | ARG156 |
| B | PEG504 |
| B | HOH624 |
| B | HOH651 |
| site_id | AC9 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE PEG B 504 |
| Chain | Residue |
| B | ARG125 |
| B | ARG156 |
| B | LYS367 |
| B | LYS409 |
| B | 1PE503 |
| site_id | BC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE PEG B 505 |
| Chain | Residue |
| B | TRP218 |
| B | LYS262 |
| B | GLY288 |
| B | ARG293 |
| B | SER333 |
| B | LEU336 |
| site_id | BC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE PEG B 506 |
| Chain | Residue |
| B | ASN60 |
| B | GLY61 |
| B | TYR62 |
| B | GLN469 |
| site_id | BC3 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE PEG B 507 |
