Functional Information from GO Data
| Chain | GOid | namespace | contents |
| B | 0004252 | molecular_function | serine-type endopeptidase activity |
| B | 0006508 | biological_process | proteolysis |
| C | 0004252 | molecular_function | serine-type endopeptidase activity |
| C | 0006508 | biological_process | proteolysis |
| D | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| G | 0004252 | molecular_function | serine-type endopeptidase activity |
| G | 0006508 | biological_process | proteolysis |
| H | 0004252 | molecular_function | serine-type endopeptidase activity |
| H | 0006508 | biological_process | proteolysis |
| I | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
Functional Information from PROSITE/UniProt
| site_id | PS00280 |
| Number of Residues | 19 |
| Details | BPTI_KUNITZ_1 Pancreatic trypsin inhibitor (Kunitz) family signature. FfyGGCggnrnnFdteeyC |
| Chain | Residue | Details |
| D | PHE33-CYS51 | |
| site_id | PS00134 |
| Number of Residues | 6 |
| Details | TRYPSIN_HIS Serine proteases, trypsin family, histidine active site. VTAAHC |
| Chain | Residue | Details |
| B | VAL53-CYS58 | |
| site_id | PS00135 |
| Number of Residues | 12 |
| Details | TRYPSIN_SER Serine proteases, trypsin family, serine active site. SScmGDSGGPLV |
| Chain | Residue | Details |
| C | SER189-VAL200 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 2 |
| Details | SITE: Reactive bond |
| Chain | Residue | Details |
| D | ARG15 | |
| I | ARG15 | |
| G | HIS57 | |
| G | ASP102 | |
| site_id | SWS_FT_FI2 |
| Number of Residues | 2 |
| Details | MOD_RES: Sulfotyrosine => ECO:0000255 |
| Chain | Residue | Details |
| D | TYR50 | |
| I | TYR50 | |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 5 |
| Details | a catalytic site defined by CSA, PubMed 1583684 |
| Chain | Residue | Details |
| C | SER195 | |
| C | SER195 | |
| C | GLY196 | |
| B | ASP102 | |
| B | HIS57 | |
| site_id | CSA2 |
| Number of Residues | 5 |
| Details | a catalytic site defined by CSA, PubMed 1583684 |
| Chain | Residue | Details |
| H | SER195 | |
| H | SER195 | |
| H | GLY196 | |
| G | ASP102 | |
| G | HIS57 | |
| site_id | MCSA1 |
| Number of Residues | 3 |
| Details | M-CSA 387 |
| Chain | Residue | Details |
| C | GLY193 | electrostatic stabiliser |
| C | SER195 | covalent catalysis |
| C | GLY196 | electrostatic stabiliser |
| site_id | MCSA2 |
| Number of Residues | 3 |
| Details | M-CSA 387 |
| Chain | Residue | Details |
| H | GLY193 | electrostatic stabiliser |
| H | SER195 | covalent catalysis |
| H | GLY196 | electrostatic stabiliser |
