PDB Entry (3hha)
PDB ID: 3hha Resolution: 1.27 Å Exp. Method: X-RAY DIFFRACTION
PMID: 19515558 DOI: 10.1016/j.bmcl.2009.05.071
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:   AZ12878478
Canonical SMILES:   Cc1cccc(c1)C[C@@H](C(=O)NCC#N)NC(=O)c2cc(C(C)(C)C)nn2C
Standard InChI:   InChI=1S/C21H27N5O2/c1-14-7-6-8-15(11-14)12-16(19(27)23-10-9-22)24-20(28)17-13-18(21(2,3)4)25-26(17)5/h6-8,11,13,16H,10,12H2,1-5H3,(H,23,27)(H,24,28)/t16-/m0/s1
HET Code:   NOW PubChem:   44224136
DrugBank:   - ChEMBL:   CHEMBL565079
Molecular Formula:   C21H27N5O2 Mol. Weight:   381.21646 logP:   2.0069
HBD:   2 HBA:   5
#Rotatable Bonds:   6 TPSA:   99.81
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Nucleophilic Addition to a Triple Bond CYS 25 A 16.68 12.01 Nitrile
Binding Affinity
Database Name Value
PDBBind IC50 : 12.6 nM