Functional Information from GO Data
| Chain | GOid | namespace | contents |
| B | 0004252 | molecular_function | serine-type endopeptidase activity |
| B | 0006508 | biological_process | proteolysis |
| C | 0004252 | molecular_function | serine-type endopeptidase activity |
| C | 0006508 | biological_process | proteolysis |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | binding site for residue SO4 A 101 |
| Chain | Residue |
| A | CYS1 |
| A | HOH201 |
| A | HOH205 |
| B | LYS93 |
| B | HOH332 |
| B | HOH418 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | binding site for residue IOD B 201 |
| Chain | Residue |
| B | IOD202 |
| B | HOH523 |
| B | HOH523 |
| B | THR61 |
| B | THR61 |
| B | IOD202 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | binding site for residue IOD B 202 |
| Chain | Residue |
| B | THR62 |
| B | THR62 |
| B | IOD201 |
| B | IOD201 |
| B | HOH450 |
| site_id | AC4 |
| Number of Residues | 12 |
| Details | binding site for residue SO4 B 203 |
| Chain | Residue |
| A | GLN7 |
| A | HOH211 |
| A | HOH222 |
| A | HOH224 |
| B | LYS36 |
| B | SER92 |
| B | HOH358 |
| B | HOH381 |
| B | HOH451 |
| C | TRP237 |
| C | HOH431 |
| C | HOH437 |
| site_id | AC5 |
| Number of Residues | 7 |
| Details | binding site for residue SO4 B 204 |
| Chain | Residue |
| B | LYS84 |
| B | HOH333 |
| B | HOH342 |
| B | HOH396 |
| B | HOH400 |
| B | HOH423 |
| C | LYS203 |
| site_id | AC6 |
| Number of Residues | 7 |
| Details | binding site for residue SO4 C 301 |
| Chain | Residue |
| B | HOH379 |
| C | PRO152 |
| C | ASP153 |
| C | ARG154 |
| C | HOH421 |
| C | HOH422 |
| C | HOH441 |
Functional Information from PROSITE/UniProt
| site_id | PS00134 |
| Number of Residues | 6 |
| Details | TRYPSIN_HIS Serine proteases, trypsin family, histidine active site. VTAAHC |
| Chain | Residue | Details |
| B | VAL53-CYS58 | |
| site_id | PS00135 |
| Number of Residues | 12 |
| Details | TRYPSIN_SER Serine proteases, trypsin family, serine active site. SScmGDSGGPLV |
| Chain | Residue | Details |
| C | SER189-VAL200 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | ACT_SITE: Charge relay system |
| Chain | Residue | Details |
| C | SER195 | |
| B | ASP102 | |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | 3 |
| Details | M-CSA 387 |
| Chain | Residue | Details |
| C | GLY193 | electrostatic stabiliser |
| C | SER195 | covalent catalysis |
| C | GLY196 | electrostatic stabiliser |
