Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 3 |
| Details | binding site for residue SF4 A 601 |
| Chain | Residue |
| A | CYS117 |
| A | CYS121 |
| A | CYS124 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | binding site for residue SF4 A 602 |
| Chain | Residue |
| A | CYS321 |
| A | HIS322 |
| A | CYS347 |
| A | LYS353 |
| A | CYS365 |
| A | CYS419 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | binding site for residue SF4 A 603 |
| Chain | Residue |
| A | CYS406 |
| A | CYS409 |
| A | CYS415 |
| A | GLY417 |
| A | CYS437 |
| site_id | AC4 |
| Number of Residues | 5 |
| Details | binding site for residue SF4 B 601 |
| Chain | Residue |
| B | CYS117 |
| B | CYS121 |
| B | PHE123 |
| B | CYS124 |
| B | GLY160 |
| site_id | AC5 |
| Number of Residues | 5 |
| Details | binding site for residue SF4 B 602 |
| Chain | Residue |
| B | CYS406 |
| B | CYS409 |
| B | CYS415 |
| B | GLY417 |
| B | CYS437 |
| site_id | AC6 |
| Number of Residues | 6 |
| Details | binding site for residue SF4 B 603 |
| Chain | Residue |
| B | CYS321 |
| B | HIS322 |
| B | CYS347 |
| B | LYS353 |
| B | CYS365 |
| B | CYS419 |
