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 |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 7 |
| Details | binding site for residue SO4 A 1101 |
| Chain | Residue |
| A | ARG1020 |
| A | TYR1035 |
| A | GLY1037 |
| A | HOH1210 |
| A | HOH1229 |
| A | HOH1242 |
| B | ARG1020 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | binding site for residue SO4 B 1101 |
| Chain | Residue |
| B | ARG1042 |
| B | HOH1205 |
| B | HOH1207 |
| B | HOH1210 |
| B | HOH1213 |
| B | GLU1007 |
| B | LYS1041 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 C 1101 |
| Chain | Residue |
| C | ARG1020 |
| C | ALA1046 |
| C | HOH1216 |
| C | HOH1225 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 3 |
| Details | SITE: Reactive bond for trypsin |
| Chain | Residue | Details |
| A | ALA1015 | |
| B | ALA1015 | |
| C | ALA1015 | |
