Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE SO4 L 215 |
| Chain | Residue |
| B | ARG18 |
| B | HOH223 |
| L | SER65 |
| L | GLY66 |
| L | HOH484 |
| L | HOH508 |
| L | HOH602 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 L 216 |
| Chain | Residue |
| L | LYS45 |
| L | HOH339 |
| L | LYS39 |
| L | GLN42 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 L 217 |
| Chain | Residue |
| B | LYS169 |
| L | PRO59 |
| L | ALA60 |
| L | HOH522 |
| L | HOH621 |
| site_id | AC4 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE SO4 L 218 |
| Chain | Residue |
| H | GLY162 |
| L | LYS169 |
| site_id | AC5 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 L 219 |
| Chain | Residue |
| A | LYS43 |
| L | ARG155 |
| L | GLN156 |
| L | ASN157 |
| site_id | AC6 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 H 214 |
| Chain | Residue |
| A | SER32 |
| A | TRP53 |
| H | LYS64 |
| site_id | AC7 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 H 215 |
| Chain | Residue |
| A | LYS64 |
| H | SER32 |
| H | TRP53 |
| site_id | AC8 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 H 216 |
| Chain | Residue |
| H | LYS71 |
| H | ASP72 |
| H | THR73 |
| H | HOH289 |
| H | HOH421 |
| site_id | AC9 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 A 214 |
| Chain | Residue |
| A | SER161 |
| A | GLY162 |
| B | LYS169 |
| site_id | BC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 215 |
| Chain | Residue |
| A | ASP207 |
| A | LYS208 |
| A | LYS209 |
| A | HOH645 |
| site_id | BC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 A 216 |
| Chain | Residue |
| A | LYS71 |
| A | ASP72 |
| A | THR73 |
| A | HOH273 |
| A | HOH435 |
| A | HOH707 |
| site_id | BC3 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE SO4 B 215 |
| Chain | Residue |
| B | GLN37 |
| B | LYS39 |
| B | GLN42 |
| B | LYS45 |
| B | HOH268 |
| B | HOH630 |
| B | HOH725 |
| site_id | BC4 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 B 216 |
| Chain | Residue |
| B | VAL13 |
| B | SER14 |
| B | GLN17 |
| B | LYS107 |
| B | HOH497 |
| L | ARG24 |
| site_id | BC5 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 B 217 |
| Chain | Residue |
| B | THR182 |
| B | ASP184 |
| B | ARG188 |
Functional Information from PROSITE/UniProt
| site_id | PS00290 |
| Number of Residues | 7 |
| Details | IG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YTCEATH |
| Chain | Residue | Details |
| L | TYR192-HIS198 | |
