Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| B | 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 |
| A | PHE33-CYS51 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 2 |
| Details | SITE: Reactive bond |
| Chain | Residue | Details |
| A | ARG15 | |
| B | ARG15 | |
| site_id | SWS_FT_FI2 |
| Number of Residues | 2 |
| Details | MOD_RES: Sulfotyrosine => ECO:0000255 |
| Chain | Residue | Details |
| A | TYR50 | |
| B | TYR50 | |
