Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 7 |
| Details | binding site for residue BU1 A 501 |
| Chain | Residue |
| A | TYR426 |
| A | ARG440 |
| A | GLN443 |
| A | ASP444 |
| B | GLN443 |
| B | ASP444 |
| B | GLU447 |
| site_id | AC2 |
| Number of Residues | 12 |
| Details | binding site for residue 4K4 A 502 |
| Chain | Residue |
| A | VAL376 |
| A | LEU381 |
| A | CYS425 |
| A | ASN429 |
| A | VAL435 |
| A | 4K4503 |
| A | HOH635 |
| A | HOH647 |
| A | HOH664 |
| B | ASP434 |
| A | TRP370 |
| A | PRO371 |
| site_id | AC3 |
| Number of Residues | 8 |
| Details | binding site for residue 4K4 A 503 |
| Chain | Residue |
| A | TRP370 |
| A | ALA380 |
| A | 4K4502 |
| A | HOH654 |
| B | ALA367 |
| B | LYS374 |
| B | ASP434 |
| B | ALA437 |
| site_id | AC4 |
| Number of Residues | 9 |
| Details | binding site for residue 4K4 B 501 |
| Chain | Residue |
| B | TRP370 |
| B | PRO371 |
| B | VAL376 |
| B | LEU381 |
| B | CYS425 |
| B | ASN429 |
| B | VAL435 |
| B | HOH646 |
| B | HOH654 |
