Functional Information from GO Data
| Chain | GOid | namespace | contents |
| B | 0004252 | molecular_function | serine-type endopeptidase activity |
| B | 0005509 | molecular_function | calcium ion binding |
| B | 0005576 | cellular_component | extracellular region |
| B | 0006508 | biological_process | proteolysis |
| B | 0007596 | biological_process | blood coagulation |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE BU1 A 599 |
| Chain | Residue |
| A | ALA201 |
| A | GLY235 |
| A | HOH738 |
| A | HOH776 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE BU1 A 600 |
| Chain | Residue |
| B | ASN373 |
| A | LYS236 |
| A | HOH663 |
| A | HOH673 |
| A | HOH706 |
| B | LEU366 |
Functional Information from PROSITE/UniProt
| site_id | PS00021 |
| Number of Residues | 14 |
| Details | KRINGLE_1 Kringle domain signature. FCRNpdgdeegvWC |
| Chain | Residue | Details |
| A | PHE218-CYS231 | |
| site_id | PS00134 |
| Number of Residues | 6 |
| Details | TRYPSIN_HIS Serine proteases, trypsin family, histidine active site. LTAAHC |
| Chain | Residue | Details |
| B | LEU359-CYS364 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 3 |
| Details | ACT_SITE: Charge relay system |
| Chain | Residue | Details |
| B | HIS363 | |
| B | ASP419 | |
| B | ALA525 | |
| Chain | Residue | Details |
| B | ARG320 | |
| Chain | Residue | Details |
| B | ASN373 | |
