Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE BR A 12 |
| Chain | Residue |
| A | GRB3 |
| B | G9 |
| B | HOH60 |
| site_id | AC2 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 A 13 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 14 |
| Chain | Residue |
| A | HOH93 |
| A | C2 |
| A | GRB3 |
| A | HOH38 |
| site_id | AC4 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE BR B 12 |
| site_id | AC5 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 B 13 |
| Chain | Residue |
| B | C2 |
| B | GRB3 |
| B | HOH15 |
| site_id | AC6 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 C 12 |
| Chain | Residue |
| C | C2 |
| C | GRB3 |
| C | HOH183 |
| site_id | AC7 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 C 13 |
| Chain | Residue |
| C | C5 |
| C | G6 |
| C | HOH184 |
| site_id | AC8 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 D 12 |
| Chain | Residue |
| D | C2 |
| D | GRB3 |
| D | HOH70 |
| D | HOH152 |
| D | HOH186 |
| D | HOH220 |
| site_id | AC9 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 E 12 |
| Chain | Residue |
| E | C2 |
| E | GRB3 |
| E | HOH207 |
| site_id | BC1 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE SO4 E 13 |
