Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 5 |
| Details | binding site for residue CO A 501 |
| Chain | Residue |
| A | CYS69 |
| A | HIS352 |
| A | GLU394 |
| A | PEP502 |
| A | HOH655 |
| site_id | AC2 |
| Number of Residues | 14 |
| Details | binding site for residue PEP A 502 |
| Chain | Residue |
| A | ARG267 |
| A | LYS289 |
| A | ARG320 |
| A | HIS352 |
| A | GLU394 |
| A | CO501 |
| A | HOH614 |
| A | HOH628 |
| A | HOH647 |
| A | HOH655 |
| A | ARG108 |
| A | PRO116 |
| A | GLY265 |
| A | ASP266 |
| site_id | AC3 |
| Number of Residues | 3 |
| Details | binding site for residue CL A 503 |
| Chain | Residue |
| A | ARG117 |
| A | SER118 |
| A | LYS363 |
| site_id | AC4 |
| Number of Residues | 2 |
| Details | binding site for residue CL A 504 |
| site_id | AC5 |
| Number of Residues | 4 |
| Details | binding site for residue ACT A 505 |
| Chain | Residue |
| A | ALA177 |
| A | LEU179 |
| A | GLN223 |
| A | GLU226 |