Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004866 | molecular_function | endopeptidase inhibitor activity |
| A | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| A | 0010466 | biological_process | negative regulation of peptidase activity |
Functional Information from PDB Data
| site_id | 1ST |
| Number of Residues | 8 |
| Details | THIS IS THE FIRST REACTIVE SITE OF THE CHYMOTRYPSIN INHIBITOR PROTEIN. |
| Chain | Residue |
| A | SER62 |
| A | GLN63 |
| A | PHE64 |
| A | LEU65 |
| A | SER66 |
| A | LEU67 |
| A | PHE68 |
| A | ILE69 |
| site_id | 2ND |
| Number of Residues | 8 |
| Details | THIS IS THE SECOND REACTIVE SITE OF THE CHYMOTRYPSIN INHIBITOR PROTEIN. |
| Chain | Residue |
| A | ASN38 |
| A | GLU39 |
| A | PRO40 |
| A | CYS41 |
| A | PRO42 |
| A | LEU43 |
| A | THR44 |
| A | GLY37 |
| site_id | AC1 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE SO4 A 191 |
| Chain | Residue |
| A | SER66 |
| A | LEU67 |
| A | SER88 |
| A | PRO89 |
| A | TRP90 |
| A | LYS108 |
| A | SO4193 |
| A | HOH264 |
| A | HOH362 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 192 |
| Chain | Residue |
| A | ILE24 |
| A | HIS27 |
| A | SER123 |
| A | HIS124 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 193 |
| Chain | Residue |
| A | SER66 |
| A | PRO70 |
| A | SO4191 |
| A | HOH264 |
| site_id | AC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 194 |
| Chain | Residue |
| A | HIS23 |
| A | HIS23 |
| A | HOH238 |
| A | HOH238 |
| site_id | AC5 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE SO4 A 195 |
| Chain | Residue |
| A | HIS27 |
| A | ARG47 |
| A | LEU168 |
| A | GLU169 |
| A | HOH213 |
| A | HOH345 |
| A | HOH357 |
Functional Information from PROSITE/UniProt
| site_id | PS00283 |
| Number of Residues | 17 |
| Details | SOYBEAN_KUNITZ Soybean trypsin inhibitor (Kunitz) protease inhibitors family signature. LvDAEGNlVeNGgtYyL |
| Chain | Residue | Details |
| A | LEU4-LEU20 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | SITE: Reactive bond for chymotrypsin |
| Chain | Residue | Details |
| A | LEU65 | |
