Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 3 |
| Details | binding site for residue IPA A 101 |
| Chain | Residue |
| A | LYS8 |
| A | LEU13 |
| B | LYS8 |
| site_id | AC2 |
| Number of Residues | 10 |
| Details | binding site for Di-peptide ACE B 0 and ARG B 1 |
| Chain | Residue |
| B | LEU5 |
| B | TYR17 |
| B | ASN21 |
| B | HOH103 |
| A | MET2 |
| A | GLU6 |
| A | HOH217 |
| B | MET2 |
| B | LYS3 |
| B | GLN4 |
| site_id | AC3 |
| Number of Residues | 11 |
| Details | binding site for Di-peptide VAL B 9 and 02K B 10 |
| Chain | Residue |
| A | 02K10 |
| A | TYR17 |
| B | LEU5 |
| B | GLU6 |
| B | ASP7 |
| B | LYS8 |
| B | GLU11 |
| B | LEU12 |
| B | LEU13 |
| B | SER14 |
| B | HOH106 |
| site_id | AC4 |
| Number of Residues | 17 |
| Details | binding site for Di-peptide 02K B 10 and GLU B 11 |
| Chain | Residue |
| A | 02K10 |
| A | ARG25 |
| A | HOH212 |
| B | GLU6 |
| B | ASP7 |
| B | LYS8 |
| B | VAL9 |
| B | LEU12 |
| B | LEU13 |
| B | SER14 |
| B | LYS15 |
| B | GLU32 |
| B | HOH106 |
| B | HOH107 |
| B | HOH109 |
| B | HOH110 |
| B | HOH111 |