PDB Entry (3n3g)
PDB ID: 3n3g Resolution: 1.6 Å Exp. Method: X-RAY DIFFRACTION
PMID: 20580231 DOI: 10.1016/j.bmcl.2010.06.043
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:   6-{4-[3-(4-methylpiperazin-1-yl)propoxy]-3-(trifluoromethyl)phenyl}pyridine-2-carbonitrile
Canonical SMILES:   CN1CCN(CCCOc2ccc(cc2C(F)(F)F)-c2cccc(n2)C#N)CC1
Standard InChI:   InChI=1S/C21H23F3N4O/c1-27-9-11-28(12-10-27)8-3-13-29-20-7-6-16(14-18(20)21(22,23)24)19-5-2-4-17(15-25)26-19/h2,4-7,14H,3,8-13H2,1H3
HET Code:   935 PubChem:   46238539
DrugBank:   - ChEMBL:   CHEMBL1209147
Molecular Formula:   C21H23F3N4O Mol. Weight:   404.1824 logP:   3.65538
HBD:   0 HBA:   5
#Rotatable Bonds:   6 TPSA:   52.39
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Nucleophilic Addition to a Triple Bond CYS 25 A 14.19 10.48 Nitrile
Binding Affinity
-