PDB Entry (1q6k)
PDB ID: 1q6k Resolution: 2.1 Å Exp. Method: X-RAY DIFFRACTION
PMID: 14684342 DOI: 10.1016/j.bmcl.2003.09.088
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:   TERT-BUTYL(1S)-1-CYCLOHEXYL-2-OXOETHYLCARBAMATE
Canonical SMILES:   CC(C)(C)OC(=O)N[C@H](C=O)C1CCCCC1
Standard InChI:   InChI=1S/C13H23NO3/c1-13(2,3)17-12(16)14-11(9-15)10-7-5-4-6-8-10/h9-11H,4-8H2,1-3H3,(H,14,16)/t11-/m1/s1
HET Code:   TCO PubChem:   448022
DrugBank:   DB04523 ChEMBL:   CHEMBL92567
Molecular Formula:   C13H23NO3 Mol. Weight:   241.1678 logP:   2.6589
HBD:   1 HBA:   3
#Rotatable Bonds:   3 TPSA:   55.4
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Hemi(thio)acetalization CYS 25 A 14.53 7.6 Aldehyde
Binding Affinity
Database Name Value
PDBBind IC50 : 26 nM
BindingDB IC50 : 26 nM
Binding MOAD IC50 : 26 nM