Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 1 |
| Chain | Residue |
| A | HIS253 |
| A | ARG256 |
| A | ARG260 |
| A | ARG296 |
| site_id | AC2 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 A 2 |
| Chain | Residue |
| A | VAL257 |
| A | ARG260 |
| A | ARG418 |
| A | TYR419 |
| A | HOH589 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 5 |
| Chain | Residue |
| A | GLN337 |
| A | ARG340 |
| A | THR519 |
| A | GLY520 |
| site_id | AC4 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 B 3 |
| Chain | Residue |
| B | VAL257 |
| B | ARG260 |
| B | ARG261 |
| B | ARG418 |
| B | TYR419 |
| site_id | AC5 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 B 4 |
| Chain | Residue |
| B | HIS253 |
| B | ARG256 |
| B | ARG260 |
| B | ARG296 |
| B | HOH539 |
