Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | binding site for residue ZN A 2001 |
| Chain | Residue |
| A | HIS271 |
| A | HIS273 |
| A | CYS282 |
| A | GLU343 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | binding site for residue SO4 A 2002 |
| Chain | Residue |
| A | HOH2187 |
| A | CYS212 |
| A | ASN213 |
| A | THR216 |
| A | PHE217 |
| A | LYS220 |
| site_id | AC3 |
| Number of Residues | 9 |
| Details | binding site for residue POP A 2003 |
| Chain | Residue |
| A | ARG163 |
| A | ARG174 |
| A | TYR234 |
| A | GLY236 |
| A | HOH2101 |
| A | HOH2102 |
| A | HOH2103 |
| A | HOH2147 |
| C | U702 |
| site_id | AC4 |
| Number of Residues | 6 |
| Details | binding site for residue GOL B 701 |
| Chain | Residue |
| A | ALA209 |
| A | CYS212 |
| A | TYR327 |
| B | U603 |
| B | C604 |
| C | C700 |