Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | binding site for residue MG A 401 |
| Chain | Residue |
| A | ALA19 |
| A | ASP179 |
| A | MG402 |
| A | HOH525 |
| B | HOH203 |
| C | DC16 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | binding site for residue MG A 402 |
| Chain | Residue |
| A | MG401 |
| B | HOH203 |
| C | DC16 |
| C | HOH115 |
| A | GLU20 |
| A | GLY178 |
| A | ASP179 |
| site_id | AC3 |
| Number of Residues | 7 |
| Details | binding site for residue MXE A 403 |
| Chain | Residue |
| A | GLU20 |
| A | SER177 |
| A | GLY178 |
| A | HOH518 |
| B | DA14 |
| C | DC16 |
| C | DA17 |
| site_id | AC4 |
| Number of Residues | 6 |
| Details | binding site for residue PG0 B 101 |
| Chain | Residue |
| A | LYS228 |
| B | DG2 |
| B | DT3 |
| B | HOH205 |
| C | DC24 |
| C | DG25 |
