PDB Entry (2frq)
PDB ID: 2frq Resolution: 1.6 Å Exp. Method: X-RAY DIFFRACTION
PMID: - DOI: -
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:   CRA-26871
Canonical SMILES:   c1ccccc1S(=O)(=O)/N=C(\C)N[C@@H](CC2(C)CCCC2)C(=O)NC3(C#N)CCS(=O)(=O)CC3
Standard InChI:   InChI=1S/C23H32N4O5S2/c1-18(27-34(31,32)19-8-4-3-5-9-19)25-20(16-22(2)10-6-7-11-22)21(28)26-23(17-24)12-14-33(29,30)15-13-23/h3-5,8-9,20H,6-7,10-16H2,1-2H3,(H,25,27)(H,26,28)/t20-/m0/s1
HET Code:   C71 PubChem:   11214364
DrugBank:   - ChEMBL:   -
Molecular Formula:   C23H32N4O5S2 Mol. Weight:   508.18143 logP:   2.30948
HBD:   2 HBA:   6
#Rotatable Bonds:   7 TPSA:   145.56
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Nucleophilic Addition to a Triple Bond CYS 25 A 17.96 11.57 Nitrile
Binding Affinity
-