PDB Entry (4mzo)
PDB ID: 4mzo Resolution: 1.47 Å Exp. Method: X-RAY DIFFRACTION
PMID: 24224654 DOI: 10.1021/jm401528k
Protein
Protein Name: Cathepsin S
Uniprot ID/ACC: O70370 (CATS_MOUSE) Organism: Mus musculus (Mouse)
Gene Symbol: Ctss Gene ID: 13040
Protein Class: HYDROLASE
Ligand
Ligand Name:   (3S,4S)-1-(benzenesulfonyl)-N-(cyanomethyl)-4-(morpholine-4-carbonyl)pyrrolidine-3-carboxamide
Canonical SMILES:   N#CCNC(=O)[C@@H]1CN(S(=O)(=O)c2ccccc2)C[C@H]1C(=O)N3CCOCC3
Standard InChI:   InChI=1S/C18H22N4O5S/c19-6-7-20-17(23)15-12-22(28(25,26)14-4-2-1-3-5-14)13-16(15)18(24)21-8-10-27-11-9-21/h1-5,15-16H,7-13H2,(H,20,23)/t15-,16-/m1/s1
HET Code:   2EW PubChem:   72793721
DrugBank:   - ChEMBL:   CHEMBL3093943
Molecular Formula:   C18H22N4O5S Mol. Weight:   406.1311 logP:   -0.57812
HBD:   1 HBA:   6
#Rotatable Bonds:   5 TPSA:   119.81
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Nucleophilic Addition to a Triple Bond CYS 147 A 14.01 12.06 Nitrile
Binding Affinity
Database Name Value
PDBBind IC50 : 271 nM