Functional Information from GO Data
| Chain | GOid | namespace | contents | 
| A | 0004175 | molecular_function | endopeptidase activity | 
| A | 0004252 | molecular_function | serine-type endopeptidase activity | 
| A | 0005515 | molecular_function | protein binding | 
| A | 0005576 | cellular_component | extracellular region | 
| A | 0005615 | cellular_component | extracellular space | 
| A | 0006508 | biological_process | proteolysis | 
| A | 0007586 | biological_process | digestion | 
| A | 0008233 | molecular_function | peptidase activity | 
| A | 0008236 | molecular_function | serine-type peptidase activity | 
| A | 0016787 | molecular_function | hydrolase activity | 
| A | 0046872 | molecular_function | metal ion binding | 
| A | 0097180 | cellular_component | serine protease inhibitor complex | 
| A | 0097655 | molecular_function | serpin family protein binding | 
| B | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity | 
Functional Information from PDB Data
| site_id | AC1 | 
| Number of Residues | 2 | 
| Details | BINDING SITE FOR RESIDUE NA A 2001 | 
| site_id | AC2 | 
| Number of Residues | 3 | 
| Details | BINDING SITE FOR RESIDUE SO4 A 2006 | 
| Chain | Residue | 
| A | LYS169 | 
| A | PRO173 | 
| A | GLY174 | 
| site_id | AC3 | 
| Number of Residues | 2 | 
| Details | BINDING SITE FOR RESIDUE SO4 A 2010 | 
| site_id | AC4 | 
| Number of Residues | 5 | 
| Details | BINDING SITE FOR RESIDUE SO4 A 2011 | 
| Chain | Residue | 
| A | VAL154 | 
| A | LYS156 | 
| A | HOH715 | 
| A | PRO152 | 
| A | ASP153 | 
| site_id | AC5 | 
| Number of Residues | 9 | 
| Details | BINDING SITE FOR RESIDUE SO4 A 2012 | 
| Chain | Residue | 
| A | SER93 | 
| A | ASN95 | 
| A | ASN100 | 
| A | ASN101 | 
| A | SER178 | 
| A | ASN179 | 
| A | HOH464 | 
| A | HOH676 | 
| A | HOH782 | 
| site_id | AC6 | 
| Number of Residues | 6 | 
| Details | BINDING SITE FOR RESIDUE CA A 2002 | 
| Chain | Residue | 
| A | GLU70 | 
| A | ASN72 | 
| A | VAL75 | 
| A | GLU80 | 
| A | HOH405 | 
| A | HOH409 | 
| site_id | AC7 | 
| Number of Residues | 3 | 
| Details | BINDING SITE FOR RESIDUE EDO A 1001 | 
| Chain | Residue | 
| A | TYR20 | 
| A | CYS22 | 
| A | THR26 | 
| site_id | AC8 | 
| Number of Residues | 8 | 
| Details | BINDING SITE FOR RESIDUE EDO A 1002 | 
| Chain | Residue | 
| A | GLY216 | 
| A | GLY219 | 
| B | TYR10 | 
| B | GLY12 | 
| B | PRO13 | 
| B | HOH322 | 
| B | HOH393 | 
| B | SO42007 | 
| site_id | AC9 | 
| Number of Residues | 6 | 
| Details | BINDING SITE FOR RESIDUE EDO A 1003 | 
| Chain | Residue | 
| A | ALA129 | 
| A | ILE162 | 
| A | ASP165 | 
| A | PHE181 | 
| A | LYS230 | 
| A | HOH455 | 
| site_id | BC1 | 
| Number of Residues | 2 | 
| Details | BINDING SITE FOR RESIDUE EDO A 1004 | 
| Chain | Residue | 
| A | GLN175 | 
| B | ARG39 | 
| site_id | BC2 | 
| Number of Residues | 6 | 
| Details | BINDING SITE FOR RESIDUE SO4 B 2004 | 
| Chain | Residue | 
| B | GLU7 | 
| B | ARG42 | 
| B | HOH324 | 
| B | HOH447 | 
| B | HOH562 | 
| B | HOH643 | 
| site_id | BC3 | 
| Number of Residues | 7 | 
| Details | BINDING SITE FOR RESIDUE SO4 B 2005 | 
| Chain | Residue | 
| A | LYS87 | 
| A | LYS107 | 
| B | ARG1 | 
| B | ARG42 | 
| B | HOH507 | 
| B | HOH592 | 
| B | HOH606 | 
| site_id | BC4 | 
| Number of Residues | 7 | 
| Details | BINDING SITE FOR RESIDUE SO4 B 2007 | 
| Chain | Residue | 
| A | EDO1002 | 
| B | PRO9 | 
| B | TYR10 | 
| B | THR11 | 
| B | GLY12 | 
| B | HOH393 | 
| B | HOH549 | 
| site_id | BC5 | 
| Number of Residues | 9 | 
| Details | BINDING SITE FOR RESIDUE SO4 B 2008 | 
| Chain | Residue | 
| A | GLN50 | 
| A | LYS107 | 
| A | SER164 | 
| A | ASP165 | 
| A | SER166 | 
| A | HOH536 | 
| B | ARG1 | 
| B | HOH607 | 
| B | HOH701 | 
| site_id | BC6 | 
| Number of Residues | 5 | 
| Details | BINDING SITE FOR RESIDUE SO4 B 2009 | 
| Chain | Residue | 
| A | GLN50 | 
| A | LYS109 | 
| A | SER110 | 
| A | ALA111 | 
| B | ARG1 | 
| site_id | BC7 | 
| Number of Residues | 6 | 
| Details | BINDING SITE FOR RESIDUE CA B 2003 | 
| Chain | Residue | 
| B | GLN31 | 
| B | GLN31 | 
| B | THR32 | 
| B | THR32 | 
| B | HOH513 | 
| B | HOH513 | 
Functional Information from PROSITE/UniProt
| site_id | PS00134 | 
| Number of Residues | 6 | 
| Details | TRYPSIN_HIS Serine proteases, trypsin family, histidine active site. VSAAHC | 
| Chain | Residue | Details | 
| A | VAL53-CYS58 |  | 
| site_id | PS00135 | 
| Number of Residues | 12 | 
| Details | TRYPSIN_SER Serine proteases, trypsin family, serine active site. DScqGDSGGPVV | 
| Chain | Residue | Details | 
| A | ASP189-VAL200 |  | 
| site_id | PS00280 | 
| Number of Residues | 19 | 
| Details | BPTI_KUNITZ_1 Pancreatic trypsin inhibitor (Kunitz) family signature. FvgGGCrakrnnFksaedC | 
| Chain | Residue | Details | 
| B | PHE33-CYS51 |  | 
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 | 
| Number of Residues | 3 | 
| Details | Active site: {"description":"Charge relay system"} | 
| site_id | SWS_FT_FI2 | 
| Number of Residues | 7 | 
| Details | Binding site: {} | 
| site_id | SWS_FT_FI3 | 
| Number of Residues | 50 | 
| Details | Domain: {"description":"BPTI/Kunitz inhibitor","evidences":[{"source":"PROSITE-ProRule","id":"PRU00031","evidenceCode":"ECO:0000255"}]} | 
| site_id | SWS_FT_FI4 | 
| Number of Residues | 1 | 
| Details | Site: {"description":"Reactive bond for trypsin"} | 
Catalytic Information from CSA
| site_id | CSA1 | 
| Number of Residues | 2 | 
| Details | Annotated By Reference To The Literature 1a0j | 
| Chain | Residue | Details | 
| A | ASP102 |  | 
| A | HIS57 |  | 
| site_id | CSA2 | 
| Number of Residues | 2 | 
| Details | Annotated By Reference To The Literature 1a0j | 
| Chain | Residue | Details | 
| A | SER195 |  | 
| A | GLY196 |  | 
| site_id | CSA3 | 
| Number of Residues | 2 | 
| Details | Annotated By Reference To The Literature 1a0j | 
| Chain | Residue | Details | 
| A | SER195 |  | 
| A | GLY193 |  | 
| site_id | CSA4 | 
| Number of Residues | 3 | 
| Details | Annotated By Reference To The Literature 1a0j | 
| Chain | Residue | Details | 
| A | ASP102 |  | 
| A | SER195 |  | 
| A | HIS57 |  | 
| site_id | CSA5 | 
| Number of Residues | 4 | 
| Details | Annotated By Reference To The Literature 1a0j | 
| Chain | Residue | Details | 
| A | ASP102 |  | 
| A | SER195 |  | 
| A | GLY193 |  | 
| A | HIS57 |  | 
| site_id | CSA6 | 
| Number of Residues | 4 | 
| Details | Annotated By Reference To The Literature 1a0j | 
| Chain | Residue | Details | 
| A | ASP102 |  | 
| A | SER195 |  | 
| A | HIS57 |  | 
| A | GLY196 |  |