PDB Entry (3ovx)
PDB ID: 3ovx Resolution: 1.49 Å Exp. Method: X-RAY DIFFRACTION
PMID: 21030256 DOI: 10.1016/j.bmcl.2010.10.012
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-chloro-N-[(1S)-1-formylpropyl]-3-(trifluoromethyl)benzamide
Canonical SMILES:   CC[C@@H](C=O)NC(=O)c1cccc(c1Cl)C(F)(F)F
Standard InChI:   InChI=1S/C12H11ClF3NO2/c1-2-7(6-18)17-11(19)8-4-3-5-9(10(8)13)12(14,15)16/h3-7H,2H2,1H3,(H,17,19)/t7-/m0/s1
HET Code:   O64 PubChem:   49867422
DrugBank:   - ChEMBL:   CHEMBL1234897
Molecular Formula:   C12H11ClF3NO2 Mol. Weight:   293.04303 logP:   3.0661
HBD:   1 HBA:   2
#Rotatable Bonds:   4 TPSA:   46.17
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Hemi(thio)acetalization CYS 25 A 13.27 12.73 Aldehyde
Binding Affinity
Database Name Value
PDBBind IC50 : 31 nM
BindingDB IC50 : 31 nM