PDB Entry (3hwn)
PDB ID: 3hwn Resolution: 2.33 Å Exp. Method: X-RAY DIFFRACTION
PMID: 19616430 DOI: 10.1016/j.bmcl.2009.06.090
Protein
Protein Name: Procathepsin L
Uniprot ID/ACC: P07711 (CATL1_HUMAN) Organism: Homo sapiens (Human)
Gene Symbol: CTSL Gene ID: 1514
Protein Class: HYDROLASE
Ligand
Ligand Name:   AZ13010160
Canonical SMILES:   Cn1nc(cc1C(=O)N[C@@H](Cc1cccc(c1)-c1nnc(CN)o1)C(=O)NCC#N)C(C)(C)C
Standard InChI:   InChI=1S/C23H28N8O3/c1-23(2,3)18-12-17(31(4)30-18)21(33)27-16(20(32)26-9-8-24)11-14-6-5-7-15(10-14)22-29-28-19(13-25)34-22/h5-7,10,12,16H,9,11,13,25H2,1-4H3,(H,26,32)(H,27,33)/t16-/m0/s1
HET Code:   BD3 PubChem:   44517711
DrugBank:   - ChEMBL:   CHEMBL557455
Molecular Formula:   C23H28N8O3 Mol. Weight:   464.22842 logP:   1.20718
HBD:   3 HBA:   9
#Rotatable Bonds:   8 TPSA:   164.75
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Nucleophilic Addition to a Triple Bond CYS 25 A 17.72 13.23 Nitrile
Binding Affinity
Database Name Value
PDBBind IC50 : 2 nM