Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE CYS B1317 |
| Chain | Residue |
| B | TYR154 |
| B | ASP174 |
| B | ARG175 |
| B | ASP176 |
| B | ARG278 |
| B | PRO301 |
| B | PRO302 |
| B | GLN303 |
| site_id | AC2 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE CYS A1315 |
| Chain | Residue |
| A | SER110 |
| A | PRO112 |
| A | VAL170 |
| A | GLU181 |
| A | GLN182 |
| A | PHE183 |
| A | HOH2055 |
| A | HOH2080 |
| A | HOH2081 |
| A | SER49 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE CYS B1318 |
| Chain | Residue |
| B | ALA26 |
| B | SER27 |
| B | GLY28 |
| B | PHE128 |
| B | HOH2076 |
| site_id | AC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE CYS A1316 |
| Chain | Residue |
| A | VAL131 |
| A | THR134 |
| A | ILE157 |
| A | TRP159 |
