Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE PG4 A 501 |
| Chain | Residue |
| A | GLN38 |
| A | HOH752 |
| B | GLY42 |
| A | LYS39 |
| A | SER40 |
| A | GLY41 |
| A | ASP83 |
| A | THR85 |
| A | GLU165 |
| A | HOH750 |
| A | HOH751 |
| site_id | AC2 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE PG4 A 502 |
| Chain | Residue |
| A | LYS45 |
| A | ARG46 |
| A | TRP47 |
| A | SER56 |
| A | GLY57 |
| site_id | AC3 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE PG4 C 301 |
| Chain | Residue |
| C | GLN38 |
| C | SER40 |
| C | GLY41 |
| C | ASP83 |
| C | THR85 |
| C | GLU165 |
| C | GLN166 |
| C | SER168 |
| D | GLY42 |
| site_id | AC4 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE PG4 C 302 |
| Chain | Residue |
| C | LYS45 |
| C | ARG46 |
| C | TRP47 |
| C | SER56 |
| C | GLY57 |
| C | HOH530 |
| D | VAL2 |
| site_id | AC5 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE PG4 E 301 |
| Chain | Residue |
| E | GLN38 |
| E | SER40 |
| E | GLY41 |
| E | ASP83 |
| E | ALA84 |
| E | THR85 |
| E | SER168 |
| E | HOH540 |
| F | GLY42 |
| site_id | AC6 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE PG4 E 302 |
| Chain | Residue |
| C | SER202 |
| E | LYS19 |
| E | SER76 |
| site_id | AC7 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE PG4 E 303 |
| Chain | Residue |
| E | LYS45 |
| E | ARG46 |
| E | TRP47 |
| E | SER56 |
| site_id | AC8 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE PG4 G 301 |
| Chain | Residue |
| G | GLN38 |
| G | LYS39 |
| G | SER40 |
| G | GLY41 |
| G | ASP83 |
| G | THR85 |
| G | GLU165 |
| G | GLN166 |
| G | HOH538 |
| G | HOH540 |
| H | GLY42 |
| site_id | AC9 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE PG4 G 302 |
| Chain | Residue |
| A | SER202 |
| G | LYS19 |
| G | SER76 |
| site_id | BC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE PG4 G 303 |
| Chain | Residue |
| G | LYS45 |
| G | ARG46 |
| G | TRP47 |
| G | SER56 |
Functional Information from PROSITE/UniProt
| site_id | PS00290 |
| Number of Residues | 7 |
| Details | IG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YACEVTH |
| Chain | Residue | Details |
| A | TYR192-HIS198 | |
| B | TYR200-HIS206 | |
