Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE PEG H 301 |
| Chain | Residue |
| H | PRO14 |
| H | SER15 |
| H | HOH573 |
| I | PRO14 |
| I | SER112 |
| I | SER113 |
| I | HOH547 |
| I | HOH609 |
| site_id | AC2 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE PEG H 302 |
| Chain | Residue |
| H | PRO41 |
| H | LYS43 |
| H | ALA85 |
| H | PEG303 |
| H | HOH418 |
| H | HOH577 |
| H | HOH579 |
| H | PRO40 |
| site_id | AC3 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE PEG H 303 |
| Chain | Residue |
| H | PRO41 |
| H | ALA84 |
| H | THR87 |
| H | VAL111 |
| H | PEG302 |
| H | HOH418 |
| H | HOH481 |
| H | HOH580 |
| H | HOH581 |
| site_id | AC4 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE PEG H 304 |
| Chain | Residue |
| H | GLN105 |
| H | GLY106 |
| H | LEU108 |
| H | PRO149 |
| H | HOH421 |
| H | HOH502 |
| site_id | AC5 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE PG4 H 305 |
| Chain | Residue |
| H | ARG66 |
| H | GLY68 |
| H | ILE69 |
| H | SER70 |
| H | SER79 |
| H | LYS81 |
| H | SER82 |
| H | HOH472 |
| H | HOH559 |
| site_id | AC6 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE PEG L 301 |
| Chain | Residue |
| L | GLN37 |
| L | PRO59 |
| L | PHE62 |
| L | ASP82 |
| site_id | AC7 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE PEG I 301 |
| Chain | Residue |
| I | VAL2 |
| I | GLN3 |
| I | LYS102 |
| I | TRP103 |
| I | HOH423 |
| I | HOH428 |
| M | PRO44 |
| site_id | AC8 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE PEG I 302 |
| Chain | Residue |
| H | ASN32 |
| I | ASN32 |
| I | TYR33 |
| I | TYR34 |
| I | ARG97 |
| I | TYR100 |
| I | HOH575 |
| I | HOH582 |
| site_id | AC9 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE PEG I 303 |
| Chain | Residue |
| H | GLY99 |
| H | TYR100 |
| I | GLU1 |
| I | GLY26 |
| I | TYR27 |
| I | HOH617 |
| L | HOH425 |
| site_id | BC1 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE PEG I 304 |
| Chain | Residue |
| I | GLY68 |
| I | SER70 |
| I | SER79 |
| I | LYS81 |
| I | PEG305 |
| I | HOH454 |
| I | HOH620 |
| site_id | BC2 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE PEG I 305 |
| Chain | Residue |
| I | ILE17 |
| I | LYS81 |
| I | PEG304 |
| I | HOH403 |
| I | HOH623 |
| site_id | BC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE PEG M 301 |
| Chain | Residue |
| M | GLY81 |
| M | GLU83 |
| M | ASN170 |
| M | HOH453 |
| site_id | BC4 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE PEG M 302 |
| Chain | Residue |
| M | VAL106 |
| M | LEU106 |
| M | GLY107 |
| M | GLN108 |
| M | TYR140 |
| M | HOH562 |
| M | HOH616 |
| M | HOH617 |
Functional Information from PROSITE/UniProt
| site_id | PS00290 |
| Number of Residues | 7 |
| Details | IG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YICNVNH |
| Chain | Residue | Details |
| H | TYR194-HIS200 | |
| L | TYR191-HIS197 | |
