Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 A 101 |
| Chain | Residue |
| A | ARG56 |
| A | HOH227 |
| A | HOH247 |
| site_id | AC2 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 A 102 |
| Chain | Residue |
| A | ARG26 |
| A | ASN44 |
| A | HOH202 |
| site_id | AC3 |
| Number of Residues | 8 |
| Details | binding site for residue SO4 D 201 |
| Chain | Residue |
| D | PRO184 |
| D | ASN185 |
| D | HOH301 |
| D | HOH303 |
| D | HOH309 |
| A | HOH210 |
| B | GLN14 |
| B | HOH130 |
| site_id | AC4 |
| Number of Residues | 2 |
| Details | binding site for Di-peptide ACE D 179 and PRO D 180 |
| site_id | AC5 |
| Number of Residues | 3 |
| Details | binding site for Di-peptide ACE E 179 and PRO E 180 |
| Chain | Residue |
| B | PHE9 |
| B | TYR53 |
| E | PRO181 |
| site_id | AC6 |
| Number of Residues | 10 |
| Details | binding site for Di-peptide TYR E 188 and NH2 E 189 |
| Chain | Residue |
| B | GLN15 |
| B | GLU18 |
| B | LYS34 |
| B | PHE48 |
| B | HOH115 |
| E | PRO186 |
| E | PRO186 |
| E | ASP187 |
| E | ASP187 |
| E | HOH302 |