Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE SO4 A 501 |
| Chain | Residue |
| A | HIS43 |
| A | THR44 |
| A | THR45 |
| A | ARG125 |
| A | HOH507 |
| A | HOH525 |
| A | HOH568 |
| B | ARG105 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 502 |
| Chain | Residue |
| A | ARG13 |
| A | LEU14 |
| A | ARG66 |
| A | ARG12 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 B 503 |
| Chain | Residue |
| B | ARG12 |
| B | ARG13 |
| B | LEU14 |
| B | ARG66 |
| B | HOH579 |
| site_id | AC4 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE SO4 B 504 |
| Chain | Residue |
| A | ARG105 |
| B | HIS43 |
| B | THR44 |
| B | THR45 |
| B | TRP111 |
| B | ARG125 |
| B | HOH506 |
| B | HOH533 |
| B | HOH598 |
| site_id | AC5 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 B 505 |
| Chain | Residue |
| B | THR7 |
| B | VAL8 |
| B | LYS9 |
| B | LYS22 |
| B | HOH597 |
| site_id | AC6 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 506 |
| Chain | Residue |
| A | VAL8 |
| A | LYS9 |
| A | LYS22 |
| A | HOH544 |
