Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 L 301 |
| Chain | Residue |
| L | GLN43 |
| L | LYS45 |
| L | GLN48 |
| L | HOH429 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 A 301 |
| Chain | Residue |
| A | LYS45 |
| A | GLN48 |
| A | HOH430 |
| A | HOH466 |
| site_id | AC3 |
| Number of Residues | 10 |
| Details | binding site for residue SO4 B 901 |
| Chain | Residue |
| B | SER121 |
| B | HOH1044 |
| B | HOH1058 |
| B | HOH1081 |
| L | GLN153 |
| L | LYS155 |
| L | HOH425 |
| L | HOH456 |
| L | HOH473 |
| B | ALA120 |
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 |
| L | TYR198-HIS204 | |
| H | TYR200-HIS206 |
