Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 9 |
| Details | binding site for residue SO4 A 501 |
| Chain | Residue |
| A | ARG280 |
| A | ALA299 |
| A | ASN300 |
| A | HOH629 |
| A | HOH630 |
| A | HOH635 |
| A | HOH788 |
| A | HOH927 |
| A | HOH1024 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | binding site for residue CL A 502 |
| Chain | Residue |
| A | HIS157 |
| A | ASP161 |
| A | GLY162 |
| A | SER309 |
| A | UM2503 |
| A | HOH1144 |
| site_id | AC3 |
| Number of Residues | 10 |
| Details | binding site for residue UM2 A 503 |
| Chain | Residue |
| A | CYS17 |
| A | HIS157 |
| A | ARG311 |
| A | GLU347 |
| A | SER386 |
| A | CL502 |
| A | HOH677 |
| A | HOH851 |
| A | HOH928 |
| A | HOH967 |
| site_id | AC4 |
| Number of Residues | 6 |
| Details | binding site for residue CL B 501 |
| Chain | Residue |
| B | HIS157 |
| B | ASP161 |
| B | GLY162 |
| B | SER309 |
| B | UM2502 |
| B | HOH1011 |
| site_id | AC5 |
| Number of Residues | 17 |
| Details | binding site for Di-peptide UM2 B 502 and CYS B 17 |
| Chain | Residue |
| B | SER13 |
| B | ALA14 |
| B | GLN15 |
| B | HIS16 |
| B | VAL18 |
| B | TRP19 |
| B | LEU20 |
| B | ALA21 |
| B | HIS157 |
| B | ARG311 |
| B | GLU347 |
| B | SER386 |
| B | CL501 |
| B | HOH682 |
| B | HOH746 |
| B | HOH801 |
| B | HOH854 |
