Functional Information from GO Data
| Chain | GOid | namespace | contents |
| H | 0004252 | molecular_function | serine-type endopeptidase activity |
| H | 0005509 | molecular_function | calcium ion binding |
| H | 0006508 | biological_process | proteolysis |
| H | 0007596 | biological_process | blood coagulation |
| L | 0004252 | molecular_function | serine-type endopeptidase activity |
| L | 0005576 | cellular_component | extracellular region |
| L | 0006508 | biological_process | proteolysis |
| L | 0007596 | biological_process | blood coagulation |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE ZN H 254 |
| Chain | Residue |
| H | HIS57 |
| H | SER201 |
| H | BAI410 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA H 409 |
| Chain | Residue |
| H | ARG227 |
| H | LYS230 |
| H | HOH428 |
| H | HOH431 |
| H | HOH453 |
| H | HOH455 |
| site_id | AC3 |
| Number of Residues | 12 |
| Details | BINDING SITE FOR RESIDUE BAI H 410 |
| Chain | Residue |
| H | HIS57 |
| H | LYS60 |
| H | ASP195 |
| H | ALA196 |
| H | GLU198 |
| H | SER201 |
| H | GLY222 |
| H | GLY225 |
| H | GLY232 |
| H | ZN254 |
| H | HOH554 |
| H | HOH555 |
| site_id | AC4 |
| Number of Residues | 13 |
| Details | BINDING SITE FOR CHAIN I OF ACETYL HIRUDIN |
| Chain | Residue |
| H | PHE34 |
| H | LEU65 |
| H | ARG67 |
| H | ARG73 |
| H | THR74 |
| H | ARG75 |
| H | TYR76 |
| H | LYS81 |
| H | ILE82 |
| H | HOH509 |
| I | HOH499 |
| I | HOH535 |
| I | HOH597 |
Functional Information from PROSITE/UniProt
| site_id | PS00134 |
| Number of Residues | 6 |
| Details | TRYPSIN_HIS Serine proteases, trypsin family, histidine active site. LTAAHC |
| Chain | Residue | Details |
| H | LEU53-CYS58 | |
| site_id | PS00135 |
| Number of Residues | 12 |
| Details | TRYPSIN_SER Serine proteases, trypsin family, serine active site. DAceGDSGGPFV |
| Chain | Residue | Details |
| H | ASP195-VAL206 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | MOD_RES: Sulfotyrosine => ECO:0000250 |
| Chain | Residue | Details |
| I | TYS63 | |
| H | ASP102 | |
| H | SER201 | |
| Chain | Residue | Details |
| H | ASN60 | |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| H | ASP102 | |
| H | HIS57 | |
| site_id | CSA2 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| H | SER201 | |
| H | GLY202 | |
| site_id | CSA3 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| H | GLY199 | |
| H | SER201 | |
| site_id | CSA4 |
| Number of Residues | 4 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| H | GLY199 | |
| H | ASP102 | |
| H | SER201 | |
| H | HIS57 | |
| site_id | CSA5 |
| Number of Residues | 3 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| H | ASP102 | |
| H | SER201 | |
| H | HIS57 | |
| site_id | CSA6 |
| Number of Residues | 4 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| H | ASP102 | |
| H | SER201 | |
| H | HIS57 | |
| H | GLY202 | |
