PDB Entry (1hbj)
PDB ID: 1hbj Resolution: 2.5 Å Exp. Method: X-RAY DIFFRACTION
PMID: 11563919 DOI: 10.1021/JM010826R
Protein
Protein Name: Acetylcholinesterase
Uniprot ID/ACC: P04058 (ACES_TETCF) Organism: Tetronarce californica (Pacific electric ray) (Torpedo californica)
Gene Symbol: ache Gene ID: -
Protein Class: HYDROLASE
Ligand
Ligand Name:   4-Amino-5-fluoro-2-methyl-3-(3-trifluoroacetylbenzylthiomethyl)quinoline
Canonical SMILES:   Cc1nc2cccc(F)c2c(N)c1CSCc1cccc(c1)C(=O)C(F)(F)F
Standard InChI:   InChI=1S/C20H16F4N2OS/c1-11-14(18(25)17-15(21)6-3-7-16(17)26-11)10-28-9-12-4-2-5-13(8-12)19(27)20(22,23)24/h2-8H,9-10H2,1H3,(H2,25,26)
HET Code:   FBQ PubChem:   10024412
DrugBank:   - ChEMBL:   CHEMBL108696
Molecular Formula:   C20H16F4N2OS Mol. Weight:   408.09195 logP:   5.44292
HBD:   1 HBA:   4
#Rotatable Bonds:   5 TPSA:   55.98
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Hemi(thio)acetalization SER 200 A 16.82 - Ketone
Binding Affinity
Database Name Value
PDBBind IC50 : 3 nM
BindingDB IC50 : 11000 nM