Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE FLC A 201 |
| Chain | Residue |
| A | ARG14 |
| A | HOH373 |
| A | HOH394 |
| A | ASN30 |
| A | ARG61 |
| A | LYS67 |
| A | VAL68 |
| A | SER69 |
| A | PHE75 |
| A | HOH320 |
| A | HOH372 |
| site_id | AC2 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE ETX A 202 |
| Chain | Residue |
| A | LYS15 |
| A | HOH356 |
| B | LYS74 |
| B | GLU126 |
| B | HOH332 |
| site_id | AC3 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE ETX A 203 |
| Chain | Residue |
| A | HIS18 |
| A | ASP22 |
| A | HOH400 |
| site_id | AC4 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE ETX A 204 |
| Chain | Residue |
| A | GLY24 |
| A | GLY28 |
| A | GLY29 |
| A | GLY32 |
| A | LYS33 |
| A | HOH319 |
| A | HOH388 |
| site_id | AC5 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE ETX A 205 |
| Chain | Residue |
| A | ASN2 |
| A | PHE57 |
| A | PRO58 |
| A | THR90 |
| A | HOH339 |
| site_id | AC6 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE ETX A 206 |
| Chain | Residue |
| A | GLY56 |
| A | PRO58 |
| A | HOH391 |
| A | HOH399 |
| A | HOH416 |
| site_id | AC7 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE ETX A 207 |
| Chain | Residue |
| A | ILE107 |
| A | GLY108 |
| A | GLY132 |
| A | SER133 |
| site_id | AC8 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE FLC B 201 |
| Chain | Residue |
| B | SER35 |
| B | GLN36 |
| B | SER37 |
| B | ARG124 |
| B | HOH353 |
| B | HOH383 |
| B | HOH384 |
| site_id | AC9 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE ETX B 202 |
| Chain | Residue |
| B | ASN42 |
| B | LEU45 |
| B | ILE112 |
| B | HIS113 |
| site_id | BC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE ETX B 203 |
| Chain | Residue |
| B | LEU51 |
| B | LYS59 |
| B | ARG63 |
| B | HOH380 |
