Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004252 | molecular_function | serine-type endopeptidase activity |
| A | 0006508 | biological_process | proteolysis |
| I | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE PO4 I 304 |
| Chain | Residue |
| A | HIS451 |
| I | ARG265 |
| I | TYR280 |
| I | HOH327 |
Functional Information from PROSITE/UniProt
| site_id | PS00134 |
| Number of Residues | 6 |
| Details | TRYPSIN_HIS Serine proteases, trypsin family, histidine active site. VSAAHC |
| Chain | Residue | Details |
| A | VAL443-CYS448 | |
| site_id | PS00135 |
| Number of Residues | 12 |
| Details | TRYPSIN_SER Serine proteases, trypsin family, serine active site. DAcqGDSGGPLA |
| Chain | Residue | Details |
| A | ASP592-ALA603 | |
| site_id | PS00280 |
| Number of Residues | 19 |
| Details | BPTI_KUNITZ_1 Pancreatic trypsin inhibitor (Kunitz) family signature. FvyGGClgnknnYlreeeC |
| Chain | Residue | Details |
| I | PHE278-CYS296 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | SITE: Reactive bond => ECO:0000250 |
| Chain | Residue | Details |
| I | ARG260 | |
| A | ASP497 | |
| A | SER598 | |
| Chain | Residue | Details |
| A | ASN468 | |
| site_id | SWS_FT_FI3 |
| Number of Residues | 1 |
| Details | CARBOHYD: N-linked (GlcNAc...) asparagine => ECO:0000255 |
| Chain | Residue | Details |
| A | ASN546 | |
