PDB Entry (1u9v)
PDB ID: 1u9v Resolution: 2.2 Å Exp. Method: X-RAY DIFFRACTION
PMID: 15537340 DOI: 10.1021/jm0493111
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:   NVP-ABE854
Canonical SMILES:   CN1CCN(CCn2cnc3c(NC4CCCCC4)nc(nc23)C#N)CC1
Standard InChI:   InChI=1S/C19H28N8/c1-25-7-9-26(10-8-25)11-12-27-14-21-17-18(22-15-5-3-2-4-6-15)23-16(13-20)24-19(17)27/h14-15H,2-12H2,1H3,(H,22,23,24)
HET Code:   IHE PubChem:   5288616
DrugBank:   DB07965 ChEMBL:   CHEMBL363847
Molecular Formula:   C19H28N8 Mol. Weight:   368.24368 logP:   1.68998
HBD:   1 HBA:   8
#Rotatable Bonds:   5 TPSA:   85.9
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Nucleophilic Addition to a Triple Bond CYS 25 A 18.02 12.11 Nitrile
Binding Affinity
Database Name Value
PDBBind IC50 : 6 nM
BindingDB IC50 : 6 nM