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 |
| C | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| D | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| E | 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 SO4 A 59 |
| Chain | Residue |
| A | GLU7 |
| A | ARG42 |
| A | HOH89 |
| A | HOH144 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 60 |
| Chain | Residue |
| A | ILE18 |
| A | ARG20 |
| A | LYS46 |
| A | HOH106 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 A 61 |
| Chain | Residue |
| A | HOH75 |
| E | PRO2 |
| E | ASP3 |
| E | HOH69 |
| A | PRO2 |
| site_id | AC4 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 A 62 |
| Chain | Residue |
| A | ARG42 |
| A | HOH85 |
| E | ARG1 |
| site_id | AC5 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE HG A 63 |
| site_id | AC6 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 B 59 |
| Chain | Residue |
| B | GLU7 |
| B | LYS41 |
| B | ARG42 |
| B | HOH78 |
| B | HOH86 |
| site_id | AC7 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 B 60 |
| Chain | Residue |
| B | ILE18 |
| B | ARG20 |
| B | HOH134 |
| C | HOH178 |
| C | HOH183 |
| site_id | AC8 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 B 61 |
| Chain | Residue |
| B | LYS26 |
| B | ARG42 |
| B | HOH68 |
| D | HOH174 |
| site_id | AC9 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE SO4 B 62 |
| Chain | Residue |
| B | CYS14 |
| B | CYS38 |
| B | GOL63 |
| C | PRO9 |
| C | PHE22 |
| C | PHE33 |
| C | HOH63 |
| site_id | BC1 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE GOL B 63 |
| site_id | BC2 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE HG B 64 |
| site_id | BC3 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 C 59 |
| Chain | Residue |
| C | LYS41 |
| C | ARG42 |
| C | HOH156 |
| site_id | BC4 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 C 60 |
| Chain | Residue |
| C | ILE18 |
| C | ARG20 |
| C | LYS46 |
| site_id | BC5 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE GOL C 61 |
| Chain | Residue |
| C | ARG1 |
| C | ARG42 |
| C | HOH75 |
| site_id | BC6 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE HG C 62 |
| site_id | BC7 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 D 59 |
| Chain | Residue |
| D | GLU7 |
| D | ARG42 |
| D | HOH88 |
| D | HOH163 |
| site_id | BC8 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 D 60 |
| Chain | Residue |
| D | ILE18 |
| D | ARG20 |
| D | LYS46 |
| D | HOH93 |
| site_id | BC9 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE SO4 D 61 |
| Chain | Residue |
| C | LYS46 |
| C | SER47 |
| C | ALA48 |
| C | GLU49 |
| C | HOH108 |
| D | TYR21 |
| D | SER47 |
| D | ALA48 |
| site_id | CC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 D 62 |
| Chain | Residue |
| D | ARG42 |
| D | HOH65 |
| D | HOH77 |
| E | LYS26 |
| site_id | CC2 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE HG D 63 |
| site_id | CC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 E 59 |
| Chain | Residue |
| E | GLU7 |
| E | LYS41 |
| E | ARG42 |
| E | HOH111 |
| site_id | CC4 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 E 60 |
| Chain | Residue |
| A | ILE19 |
| A | HOH145 |
| E | ILE18 |
| E | ARG20 |
| E | HOH141 |
| site_id | CC5 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE SO4 E 61 |
| Chain | Residue |
| A | LYS46 |
| A | HOH84 |
| B | TYR21 |
| B | ALA48 |
| E | SER47 |
| E | ALA48 |
| E | GLU49 |
| site_id | CC6 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 E 62 |
| Chain | Residue |
| D | LYS26 |
| E | ARG42 |
| E | HOH69 |
| E | HOH180 |
| site_id | CC7 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE HG E 63 |
| Chain | Residue |
| E | CYS30 |
| E | HOH100 |
Functional Information from PROSITE/UniProt
| site_id | PS00280 |
| Number of Residues | 19 |
| Details | BPTI_KUNITZ_1 Pancreatic trypsin inhibitor (Kunitz) family signature. FvyGGCrakrnnFksaedC |
| Chain | Residue | Details |
| A | PHE33-CYS51 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 5 |
| Details | SITE: Reactive bond for trypsin |
| Chain | Residue | Details |
| A | LYS15 | |
| B | LYS15 | |
| C | LYS15 | |
| D | LYS15 | |
| E | LYS15 | |
