Functional Information from GO Data
| Chain | GOid | namespace | contents |
| U | 0004252 | molecular_function | serine-type endopeptidase activity |
| U | 0006508 | biological_process | proteolysis |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE SO4 U1245 |
| Chain | Residue |
| U | LYS61 |
| U | HIS100 |
| U | THR177 |
| U | LYS179 |
| U | HOH2023 |
| U | HOH2140 |
| U | HOH2141 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 U1246 |
| Chain | Residue |
| U | GLY193 |
| U | SER195 |
| U | SK11247 |
| U | HOH2142 |
| U | HIS57 |
| U | GLN192 |
| site_id | AC3 |
| Number of Residues | 22 |
| Details | BINDING SITE FOR RESIDUE SK1 U1247 |
| Chain | Residue |
| U | ASN26 |
| U | HIS57 |
| U | LEU97 |
| U | HIS99 |
| U | ASP189 |
| U | SER190 |
| U | CYS191 |
| U | GLN192 |
| U | SER195 |
| U | VAL213 |
| U | SER214 |
| U | TRP215 |
| U | GLY216 |
| U | ARG217 |
| U | GLY219 |
| U | CYS220 |
| U | GLY226 |
| U | SO41246 |
| U | HOH2085 |
| U | HOH2120 |
| U | HOH2133 |
| U | HOH2145 |
Functional Information from PROSITE/UniProt
| site_id | PS00134 |
| Number of Residues | 6 |
| Details | TRYPSIN_HIS Serine proteases, trypsin family, histidine active site. ISATHC |
| Chain | Residue | Details |
| U | ILE53-CYS58 | |
| site_id | PS00135 |
| Number of Residues | 12 |
| Details | TRYPSIN_SER Serine proteases, trypsin family, serine active site. DScqGDSGGPLV |
| Chain | Residue | Details |
| U | ASP189-VAL200 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 3 |
| Details | ACT_SITE: Charge relay system |
| Chain | Residue | Details |
| U | HIS57 | |
| U | ASP102 | |
| U | SER195 | |
| Chain | Residue | Details |
| U | SER146 | |
| site_id | SWS_FT_FI3 |
| Number of Residues | 1 |
| Details | CARBOHYD: N-linked (GlcNAc...) asparagine |
| Chain | Residue | Details |
| U | ASN145 | |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 4 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| U | ASP102 | |
| U | SER195 | |
| U | GLY193 | |
| U | HIS57 | |
| site_id | CSA2 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| U | ASP102 | |
| U | HIS57 | |
| site_id | CSA3 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| U | SER195 | |
| U | GLY193 | |
| site_id | CSA4 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| U | SER195 | |
| U | GLY196 | |
| site_id | CSA5 |
| Number of Residues | 3 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| U | ASP102 | |
| U | SER195 | |
| U | HIS57 | |
| site_id | CSA6 |
| Number of Residues | 4 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| U | ASP102 | |
| U | SER195 | |
| U | HIS57 | |
| U | GLY196 | |
