Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004866 | molecular_function | endopeptidase inhibitor activity |
| A | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| A | 0005576 | cellular_component | extracellular region |
| A | 0030414 | molecular_function | peptidase inhibitor activity |
| B | 0004866 | molecular_function | endopeptidase inhibitor activity |
| B | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| B | 0005576 | cellular_component | extracellular region |
| B | 0030414 | molecular_function | peptidase inhibitor activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE ZN A 201 |
| Chain | Residue |
| A | GLU19 |
| A | GLU19 |
| B | GLU19 |
| B | GLU19 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 B 205 |
| Chain | Residue |
| B | HOH347 |
| A | ARG1 |
| A | ARG1 |
| A | HOH357 |
| B | GLU19 |
| B | HOH347 |
| site_id | AC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE MRD B 204 |
| Chain | Residue |
| B | ARG5 |
| B | ASP15 |
| B | CYS28 |
| B | GLY29 |
| B | GOL203 |
| B | HOH325 |
| site_id | AC4 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE GOL A 202 |
| Chain | Residue |
| A | CYS3 |
| A | PRO4 |
| A | ARG5 |
| A | SER14 |
| A | ASP15 |
| A | CYS28 |
| A | HOH310 |
| A | HOH368 |
| site_id | AC5 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE GOL B 203 |
| Chain | Residue |
| A | ILE6 |
| B | GLU9 |
| B | MRD204 |
| B | HOH371 |
Functional Information from PROSITE/UniProt
| site_id | PS00286 |
| Number of Residues | 20 |
| Details | SQUASH_INHIBITOR Squash family of serine protease inhibitors signature. CPrilleCkkDsDClaeCvC |
| Chain | Residue | Details |
| A | CYS3-CYS22 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 2 |
| Details | SITE: Reactive bond |
| Chain | Residue | Details |
| A | ARG5 | |
| B | ARG5 | |
