PDB Entry (4mzs)
PDB ID: 4mzs Resolution: 1.85 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-(2-chlorobenzenesulfonyl)-N-(cyanomethyl)-4-(morpholine-4-carbonyl)pyrrolidine-3-carboxamide
Canonical SMILES:   Clc1ccccc1S(=O)(=O)N2C[C@@H](C(=O)NCC#N)[C@@H](C2)C(=O)N3CCOCC3
Standard InChI:   InChI=1S/C18H21ClN4O5S/c19-15-3-1-2-4-16(15)29(26,27)23-11-13(17(24)21-6-5-20)14(12-23)18(25)22-7-9-28-10-8-22/h1-4,13-14H,6-12H2,(H,21,24)/t13-,14-/m1/s1
HET Code:   2EV PubChem:   72793722
DrugBank:   - ChEMBL:   CHEMBL3093944
Molecular Formula:   C18H21ClN4O5S Mol. Weight:   440.09213 logP:   0.07528
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 16.17 11.72 Nitrile
Binding Affinity
Database Name Value
PDBBind IC50 : 12 nM