Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 7 |
| Details | binding site for residue CA A 501 |
| Chain | Residue |
| A | ASP116 |
| A | ASP123 |
| A | ILE232 |
| A | ASP399 |
| A | HOH699 |
| A | HOH700 |
| A | HOH701 |
| site_id | AC2 |
| Number of Residues | 5 |
| Details | binding site for residue CA B 501 |
| Chain | Residue |
| B | ILE232 |
| B | ASP399 |
| B | AR6503 |
| B | ASP116 |
| B | ASP123 |
| site_id | AC3 |
| Number of Residues | 2 |
| Details | binding site for residue CA B 502 |
| Chain | Residue |
| B | HIS286 |
| B | HOH683 |
| site_id | AC4 |
| Number of Residues | 25 |
| Details | binding site for residue AR6 B 503 |
| Chain | Residue |
| B | ASP116 |
| B | LYS119 |
| B | ASP120 |
| B | PRO121 |
| B | ASP122 |
| B | ASP123 |
| B | ILE232 |
| B | MET259 |
| B | ARG277 |
| B | ALA278 |
| B | TYR279 |
| B | ASN280 |
| B | LYS307 |
| B | TYR311 |
| B | ALA341 |
| B | LEU342 |
| B | LEU345 |
| B | LEU357 |
| B | TRP361 |
| B | PHE366 |
| B | TYR398 |
| B | ASP399 |
| B | CA501 |
| B | HOH645 |
| B | HOH685 |
