Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| A | 0005576 | cellular_component | extracellular region |
| B | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| B | 0005576 | cellular_component | extracellular region |
| C | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| C | 0005576 | cellular_component | extracellular region |
| D | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| D | 0005576 | cellular_component | extracellular region |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 B 501 |
| Chain | Residue |
| B | ASN29 |
| B | CYS30 |
| B | CYS31 |
| B | ASP65 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 502 |
| Chain | Residue |
| A | ASN29 |
| A | CYS30 |
| A | CYS31 |
| A | ASP65 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 C 503 |
| Chain | Residue |
| C | CYS30 |
| C | CYS31 |
| C | ASP65 |
| C | ASN29 |
| site_id | AC4 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 C 504 |
| Chain | Residue |
| C | ARG75 |
| C | SER76 |
| C | GLN77 |
| site_id | AC5 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 D 505 |
| Chain | Residue |
| B | ARG56 |
| D | ASN29 |
| D | CYS30 |
| D | CYS31 |
| D | ASP65 |
| site_id | AC6 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE SO4 A 506 |
| site_id | AC7 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 D 507 |
| Chain | Residue |
| A | ARG75 |
| A | LYS95 |
| A | GLU109 |
| D | ARG75 |
| D | HOH531 |
| site_id | AC8 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 B 508 |
| Chain | Residue |
| B | ARG75 |
| B | TYR98 |
| B | GLU109 |
| C | PRO74 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 4 |
| Details | SITE: Reactive bond for trypsin |
| Chain | Residue | Details |
| A | ARG5 | |
| B | ARG5 | |
| C | ARG5 | |
| D | ARG5 | |
| site_id | SWS_FT_FI2 |
| Number of Residues | 4 |
| Details | SITE: Reactive bond for chymotrypsin |
| Chain | Residue | Details |
| A | PHE62 | |
| B | PHE62 | |
| C | PHE62 | |
| D | PHE62 | |
