Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 5 |
| Details | binding site for residue NI A 201 |
| Chain | Residue |
| A | GLN55 |
| A | CYS103 |
| A | HIS145 |
| A | HIS149 |
| A | HOH303 |
| site_id | AC2 |
| Number of Residues | 1 |
| Details | binding site for residue NI A 202 |
| site_id | AC3 |
| Number of Residues | 2 |
| Details | binding site for residue NI A 203 |
| site_id | AC4 |
| Number of Residues | 4 |
| Details | binding site for residue NI B 201 |
| Chain | Residue |
| B | HIS145 |
| B | HIS149 |
| B | K3U202 |
| B | CYS103 |
| site_id | AC5 |
| Number of Residues | 12 |
| Details | binding site for residue K3U B 202 |
| Chain | Residue |
| B | GLY48 |
| B | VAL49 |
| B | GLY50 |
| B | GLN55 |
| B | GLU101 |
| B | GLY102 |
| B | CYS103 |
| B | LEU104 |
| B | HIS145 |
| B | GLU146 |
| B | HIS149 |
| B | NI201 |