PDB Entry (1qj6)
PDB ID: 1qj6 Resolution: 2.2 Å Exp. Method: X-RAY DIFFRACTION
PMID: 10387040 DOI: 10.1021/BI9830359
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:   5-[(3R,3aS,8aS)-6-(3-methoxyphenyl)-2-oxo-2H,3H,3aH,8H,8aH-indeno[2,1-b]furan-3-yl]pentanimidamide
Canonical SMILES:   COc1cccc(c1)-c1ccc2[C@H]3[C@H](Cc2c1)OC(=O)[C@@H]3CCCCC(N)=N
Standard InChI:   InChI=1S/C23H26N2O3/c1-27-17-6-4-5-14(12-17)15-9-10-18-16(11-15)13-20-22(18)19(23(26)28-20)7-2-3-8-21(24)25/h4-6,9-12,19-20,22H,2-3,7-8,13H2,1H3,(H3,24,25)/t19-,20+,22-/m1/s1
HET Code:   167 PubChem:   -
DrugBank:   - ChEMBL:   -
Molecular Formula:   C23H26N2O3 Mol. Weight:   378.19434 logP:   4.03987
HBD:   2 HBA:   4
#Rotatable Bonds:   7 TPSA:   85.4
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Lactone Addition SER 195 B 21.32 - Gamma-Lactone
Binding Affinity
Database Name Value
PDBBind IC50 : 18 nM