Functional Information from GO Data
| Chain | GOid | namespace | contents | 
| A | 0004252 | molecular_function | serine-type endopeptidase activity | 
| A | 0006508 | biological_process | proteolysis | 
Functional Information from PDB Data
| site_id | AC1 | 
| Number of Residues | 7 | 
| Details | BINDING SITE FOR RESIDUE SO4 A 1 | 
| Chain | Residue | 
| A | ALA15 | 
| A | ASN15 | 
| A | ARG230 | 
| A | PRO233 | 
| A | HOH271 | 
| A | HOH282 | 
| A | HOH370 | 
| site_id | AC2 | 
| Number of Residues | 16 | 
| Details | BINDING SITE FOR CHAIN P OF METHOXYSUCCINYL-ALA-ALA-PRO-VALINE BORONIC ACID INHIBITOR | 
| Chain | Residue | 
| A | TYR171 | 
| A | GLY192 | 
| A | ARG192 | 
| A | GLY193 | 
| A | ASP194 | 
| A | SER195 | 
| A | MET213 | 
| A | SER214 | 
| A | GLY215 | 
| A | GLY216 | 
| A | VAL217 | 
| A | GLY244 | 
| P | HOH90 | 
| P | HOH103 | 
| A | HIS57 | 
| A | ARG125 | 
Functional Information from PROSITE/UniProt
| site_id | PS00134 | 
| Number of Residues | 6 | 
| Details | TRYPSIN_HIS Serine proteases, trypsin family, histidine active site. VTAGHC | 
| Chain | Residue | Details | 
| A | VAL53-CYS58 |  | 
| site_id | PS00135 | 
| Number of Residues | 12 | 
| Details | TRYPSIN_SER Serine proteases, trypsin family, serine active site. CMgrGDSGGSWI | 
| Chain | Residue | Details | 
| A | CYS191-ILE200 |  | 
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 | 
| Number of Residues | 3 | 
| Details | Active site: {"description":"Charge relay system","evidences":[{"evidenceCode":"ECO:0000250"}]} | 
Catalytic Information from CSA
| site_id | CSA1 | 
| Number of Residues | 5 | 
| Details | Annotated By Reference To The Literature 1ssx | 
| Chain | Residue | Details | 
| A | ASP102 |  | 
| A | SER195 |  | 
| A | GLY193 |  | 
| A | HIS57 |  | 
| A | SER214 |  | 
| site_id | CSA2 | 
| Number of Residues | 4 | 
| Details | Annotated By Reference To The Literature 1ssx | 
| Chain | Residue | Details | 
| A | ASP102 |  | 
| A | SER195 |  | 
| A | GLY193 |  | 
| A | HIS57 |  | 
| site_id | MCSA1 | 
| Number of Residues | 5 | 
| Details | M-CSA 609 | 
| Chain | Residue | Details | 
| A | HIS57 | proton acceptor, proton donor | 
| A | ASP102 | electrostatic stabiliser | 
| A | GLY193 | electrostatic stabiliser | 
| A | SER195 | electrostatic stabiliser | 
| A | SER214 | electrostatic stabiliser |