Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| A | 0005615 | cellular_component | extracellular space |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 3 |
| Details | binding site for residue ZN A 501 |
| Chain | Residue |
| A | HIS70 |
| A | HIS110 |
| A | HOH904 |
| site_id | AC2 |
| Number of Residues | 3 |
| Details | binding site for residue ZN A 502 |
| Chain | Residue |
| A | HOH615 |
| A | HOH897 |
| A | HOH922 |
| site_id | AC3 |
| Number of Residues | 2 |
| Details | binding site for residue K A 503 |
| Chain | Residue |
| A | CL512 |
| A | HOH959 |
| site_id | AC4 |
| Number of Residues | 2 |
| Details | binding site for residue IOD A 504 |
| site_id | AC5 |
| Number of Residues | 2 |
| Details | binding site for residue IOD A 505 |
| Chain | Residue |
| A | ILE148 |
| A | THR187 |
| site_id | AC6 |
| Number of Residues | 3 |
| Details | binding site for residue IOD A 507 |
| Chain | Residue |
| A | SER33 |
| A | MET34 |
| A | SER69 |
| site_id | AC7 |
| Number of Residues | 5 |
| Details | binding site for residue CL A 508 |
| Chain | Residue |
| A | ASP146 |
| A | TYR147 |
| A | ARG303 |
| A | HOH678 |
| A | HOH881 |
| site_id | AC8 |
| Number of Residues | 3 |
| Details | binding site for residue CL A 509 |
| Chain | Residue |
| A | GLY-5 |
| A | GLY-2 |
| A | LYS196 |
| site_id | AC9 |
| Number of Residues | 1 |
| Details | binding site for residue CL A 510 |
| site_id | AD1 |
| Number of Residues | 3 |
| Details | binding site for residue CL A 511 |
| Chain | Residue |
| A | ARG56 |
| A | HOH773 |
| A | HOH921 |
| site_id | AD2 |
| Number of Residues | 2 |
| Details | binding site for residue CL A 512 |
| site_id | AD3 |
| Number of Residues | 2 |
| Details | binding site for residue CL A 513 |
| Chain | Residue |
| A | ASN130 |
| A | HOH1013 |
| site_id | AD4 |
| Number of Residues | 9 |
| Details | binding site for residue TRS A 514 |
| Chain | Residue |
| A | LEU-3 |
| A | GLY-2 |
| A | TYR68 |
| A | SER71 |
| A | LEU72 |
| A | LYS171 |
| A | SER173 |
| A | ASP174 |
| A | HOH786 |
| site_id | AD5 |
| Number of Residues | 7 |
| Details | binding site for residue GOL A 515 |
| Chain | Residue |
| A | GLN135 |
| A | LYS136 |
| A | THR137 |
| A | ASN138 |
| A | TYR161 |
| A | HOH759 |
| A | HOH833 |
| site_id | AD6 |
| Number of Residues | 11 |
| Details | binding site for residue GOL A 516 |
| Chain | Residue |
| A | MET62 |
| A | GLU63 |
| A | ASN66 |
| A | ALA106 |
| A | HIS110 |
| A | SER121 |
| A | PRO123 |
| A | ASP184 |
| A | THR186 |
| A | HOH611 |
| A | HOH661 |
Functional Information from PROSITE/UniProt
| site_id | PS00284 |
| Number of Residues | 11 |
| Details | SERPIN Serpins signature. FHINKPFVFaI |
| Chain | Residue | Details |
| B | PHE379-ILE389 | |
