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 | 1 |
| Details | binding site for residue K A 401 |
| site_id | AC2 |
| Number of Residues | 1 |
| Details | binding site for residue IOD A 403 |
| site_id | AC3 |
| Number of Residues | 1 |
| Details | binding site for residue IOD A 404 |
| site_id | AC4 |
| Number of Residues | 4 |
| Details | binding site for residue IOD A 405 |
| Chain | Residue |
| A | SER72 |
| A | ASN76 |
| A | SER108 |
| A | GOL411 |
| site_id | AC5 |
| Number of Residues | 3 |
| Details | binding site for residue IOD A 406 |
| Chain | Residue |
| A | HOH844 |
| A | LYS210 |
| A | HOH632 |
| site_id | AC6 |
| Number of Residues | 2 |
| Details | binding site for residue IOD A 407 |
| Chain | Residue |
| A | ASN63 |
| B | LYS407 |
| site_id | AC7 |
| Number of Residues | 5 |
| Details | binding site for residue CL A 408 |
| Chain | Residue |
| A | GLY309 |
| A | LYS312 |
| A | K401 |
| A | GOL412 |
| A | HOH626 |
| site_id | AC8 |
| Number of Residues | 7 |
| Details | binding site for residue GOL A 409 |
| Chain | Residue |
| A | GLU102 |
| A | ASN105 |
| A | ALA145 |
| A | HIS149 |
| A | SER160 |
| A | ASP223 |
| A | HOH602 |
| site_id | AC9 |
| Number of Residues | 8 |
| Details | binding site for residue GOL A 410 |
| Chain | Residue |
| A | THR123 |
| A | GLN174 |
| A | LYS175 |
| A | THR176 |
| A | ASN177 |
| A | TYR200 |
| A | HOH513 |
| A | HOH614 |
| site_id | AD1 |
| Number of Residues | 9 |
| Details | binding site for residue GOL A 411 |
| Chain | Residue |
| A | LYS43 |
| A | ASP44 |
| A | SER72 |
| A | TYR107 |
| A | LEU111 |
| A | IOD405 |
| A | HOH577 |
| A | HOH741 |
| B | HOH507 |
| site_id | AD2 |
| Number of Residues | 6 |
| Details | binding site for residue GOL A 412 |
| Chain | Residue |
| A | LYS307 |
| A | GLY309 |
| A | LYS312 |
| A | CL408 |
| A | HOH510 |
| A | HOH546 |
Functional Information from PROSITE/UniProt
| site_id | PS00284 |
| Number of Residues | 11 |
| Details | SERPIN Serpins signature. FHINKPFVFaI |
| Chain | Residue | Details |
| B | PHE379-ILE389 | |
