PDB Entry (1a46)
PDB ID: 1a46 Resolution: 2.12 Å Exp. Method: X-RAY DIFFRACTION
PMID: 10212123 DOI: 10.1021/jm980052n
Protein
Protein Name: Prothrombin
Uniprot ID/ACC: P00734 (THRB_HUMAN) Organism: Homo sapiens (Human)
Gene Symbol: F2 Gene ID: 2147
Protein Class: HYDROLASE
Ligand
Ligand Name:   (1S,7S)-7-amino-N-[(2R,3S)-7-amino-1-(cyclohexylamino)-2-keto-1-oxoheptan-3-yl]-7-benzyl-8-oxohexahydro-1H-pyrazolo[1,2-a]pyridazine-1-carboxamide
Canonical SMILES:   NCCCC[C@H](NC(=O)[C@@H]1CCN2CC[C@@](N)(Cc3ccccc3)C(=O)N12)C(=O)C(=O)NC1CCCCC1
Standard InChI:   InChI=1S/C28H42N6O4/c29-16-8-7-13-22(24(35)26(37)31-21-11-5-2-6-12-21)32-25(36)23-14-17-33-18-15-28(30,27(38)34(23)33)19-20-9-3-1-4-10-20/h1,3-4,9-10,21-23H,2,5-8,11-19,29-30H2,(H,31,37)(H,32,36)/t22-,23-,28+/m0/s1
HET Code:   00K PubChem:   10768463
DrugBank:   - ChEMBL:   CHEMBL432470
Molecular Formula:   C28H42N6O4 Mol. Weight:   526.3268 logP:   0.78
HBD:   4 HBA:   7
#Rotatable Bonds:   11 TPSA:   150.86
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Hemi(thio)acetalization SER 195 H 22.86 - Ketone
Binding Affinity
Database Name Value
PDBBind Ki : 2000 nM