PDB Entry (2op3)
PDB ID: 2op3 Resolution: 1.6 Å Exp. Method: X-RAY DIFFRACTION
PMID: 17469812 DOI: 10.1021/jm070111+
Protein
Protein Name: Cathepsin S
Uniprot ID/ACC: P25774 (CATS_HUMAN) Organism: Homo sapiens (Human)
Gene Symbol: CTSS Gene ID: 1520
Protein Class: HYDROLASE
Ligand
Ligand Name:   2-({2',3',4'-trifluoro-[1,1'-biphenyl]-2-yl}oxy)acetaldehyde
Canonical SMILES:   Fc1ccc(c(F)c1F)-c2ccccc2OCC=O
Standard InChI:   InChI=1S/C14H9F3O2/c15-11-6-5-10(13(16)14(11)17)9-3-1-2-4-12(9)19-8-7-18/h1-7H,8H2
HET Code:   TF5 PubChem:   11565199
DrugBank:   - ChEMBL:   CHEMBL387619
Molecular Formula:   C14H9F3O2 Mol. Weight:   266.05545 logP:   3.3486
HBD:   0 HBA:   2
#Rotatable Bonds:   4 TPSA:   26.3
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Hemi(thio)acetalization CYS 25 A 15.39 12.39 Aldehyde
Binding Affinity
Database Name Value
PDBBind Ki : 490 nM