Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004252 | molecular_function | serine-type endopeptidase activity |
| A | 0005515 | molecular_function | protein binding |
| A | 0005576 | cellular_component | extracellular region |
| A | 0006508 | biological_process | proteolysis |
| A | 0007586 | biological_process | digestion |
| A | 0008236 | molecular_function | serine-type peptidase activity |
| A | 0097180 | cellular_component | serine protease inhibitor complex |
| A | 0097655 | molecular_function | serpin family protein binding |
| B | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| B | 0005576 | cellular_component | extracellular region |
Functional Information from PROSITE/UniProt
| site_id | PS00134 |
| Number of Residues | 6 |
| Details | TRYPSIN_HIS Serine proteases, trypsin family, histidine active site. VTAAHC |
| Chain | Residue | Details |
| A | VAL53-CYS58 | |
| site_id | PS00135 |
| Number of Residues | 12 |
| Details | TRYPSIN_SER Serine proteases, trypsin family, serine active site. SScmGDSGGPLV |
| Chain | Residue | Details |
| A | SER189-VAL200 | |
| site_id | PS00281 |
| Number of Residues | 16 |
| Details | BOWMAN_BIRK Bowman-Birk serine protease inhibitors family signature. CsdmrlnSCHSACKSC |
| Chain | Residue | Details |
| B | CYS24-CYS39 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | SITE: Reactive bond for trypsin |
| Chain | Residue | Details |
| B | LYS16 | |
| A | ASP102 | |
| A | SER195 | |
| site_id | SWS_FT_FI2 |
| Number of Residues | 1 |
| Details | SITE: Reactive bond for chymotrypsin |
| Chain | Residue | Details |
| B | LEU43 | |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | 5 |
| Details | M-CSA 387 |
| Chain | Residue | Details |
| A | HIS57 | electrostatic stabiliser, proton shuttle (general acid/base) |
| A | ASP102 | modifies pKa |
| A | GLY193 | electrostatic stabiliser |
| A | SER195 | covalent catalysis |
| A | GLY196 | electrostatic stabiliser |
