PDB Entry (3kwz)
PDB ID: 3kwz Resolution: 1.49 Å Exp. Method: X-RAY DIFFRACTION
PMID: 20149657 DOI: 10.1016/j.bmcl.2010.01.100
Protein
Protein Name: Cathepsin K
Uniprot ID/ACC: P43235 (CATK_HUMAN) Organism: Homo sapiens (Human)
Gene Symbol: CTSK Gene ID: 1513
Protein Class: HYDROLASE
Ligand
Ligand Name:   4-(3-piperidin-1-ylpropyl)-6-[3-(trifluoromethyl)phenyl]pyrimidine-2-carbonitrile
Canonical SMILES:   FC(F)(F)c1cccc(c1)-c1cc(CCCN2CCCCC2)nc(n1)C#N
Standard InChI:   InChI=1S/C20H21F3N4/c21-20(22,23)16-7-4-6-15(12-16)18-13-17(25-19(14-24)26-18)8-5-11-27-9-2-1-3-10-27/h4,6-7,12-13H,1-3,5,8-11H2
HET Code:   KWZ PubChem:   11516307
DrugBank:   - ChEMBL:   CHEMBL1084400
Molecular Formula:   C20H21F3N4 Mol. Weight:   374.17184 logP:   4.45258
HBD:   0 HBA:   4
#Rotatable Bonds:   5 TPSA:   52.81
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Nucleophilic Addition to a Triple Bond CYS 25 A 14.91 12.04 Nitrile
Binding Affinity
Database Name Value
PDBBind IC50 : 4 nM
BindingDB IC50 : 4 nM