Functional Information from PDB Data
| site_id | AC1 | 
| Number of Residues | 5 | 
| Details | BINDING SITE FOR RESIDUE SO4 E 221 | 
| Chain | Residue | 
| E | TYR33 | 
| E | ASN52 | 
| E | ARG54 | 
| E | ARG99 | 
| E | GLY100 | 
| site_id | AC2 | 
| Number of Residues | 5 | 
| Details | BINDING SITE FOR RESIDUE SO4 G 221 | 
| Chain | Residue | 
| G | GLY100 | 
| G | TYR33 | 
| G | ASN52 | 
| G | ARG54 | 
| G | ARG99 | 
| site_id | AC3 | 
| Number of Residues | 5 | 
| Details | BINDING SITE FOR RESIDUE SO4 A 221 | 
| Chain | Residue | 
| A | TYR33 | 
| A | ASN52 | 
| A | ARG54 | 
| A | ARG99 | 
| A | GLY100 | 
| site_id | AC4 | 
| Number of Residues | 5 | 
| Details | BINDING SITE FOR RESIDUE GOL D 214 | 
| Chain | Residue | 
| D | LYS39 | 
| D | GLN45 | 
| D | VAL58 | 
| D | PHE62 | 
| D | ASP82 | 
| site_id | AC5 | 
| Number of Residues | 3 | 
| Details | BINDING SITE FOR RESIDUE GOL E 222 | 
| Chain | Residue | 
| E | PHE32 | 
| E | ARG94 | 
| E | HOH230 | 
| site_id | AC6 | 
| Number of Residues | 6 | 
| Details | BINDING SITE FOR RESIDUE GOL F 214 | 
| Chain | Residue | 
| F | LYS39 | 
| F | GLN45 | 
| F | PHE62 | 
| F | GLU81 | 
| F | ASP82 | 
| F | HOH425 | 
| site_id | AC7 | 
| Number of Residues | 5 | 
| Details | BINDING SITE FOR RESIDUE GOL H 214 | 
| Chain | Residue | 
| H | LEU37 | 
| H | LYS39 | 
| H | GLN45 | 
| H | GLY57 | 
| H | ASP82 | 
| site_id | AC8 | 
| Number of Residues | 2 | 
| Details | BINDING SITE FOR RESIDUE CL C 221 | 
| site_id | AC9 | 
| Number of Residues | 1 | 
| Details | BINDING SITE FOR RESIDUE CL B 214 | 
| site_id | BC1 | 
| Number of Residues | 1 | 
| Details | BINDING SITE FOR RESIDUE CL A 222 | 
| site_id | BC2 | 
| Number of Residues | 1 | 
| Details | BINDING SITE FOR RESIDUE CL H 215 | 
| site_id | BC3 | 
| Number of Residues | 1 | 
| Details | BINDING SITE FOR RESIDUE CL C 222 | 
| site_id | BC4 | 
| Number of Residues | 2 | 
| Details | BINDING SITE FOR RESIDUE CL G 222 | 
| Chain | Residue | 
| F | HOH446 | 
| G | ARG94 | 
| site_id | BC5 | 
| Number of Residues | 1 | 
| Details | BINDING SITE FOR RESIDUE CL F 215 | 
| site_id | BC6 | 
| Number of Residues | 1 | 
| Details | BINDING SITE FOR RESIDUE CL D 215 | 
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 | 
| B | TYR191-HIS197 |  | 
| A | TYR194-HIS200 |  |