PDB Entry (5f02)
PDB ID: 5f02 Resolution: 1.43 Å Exp. Method: X-RAY DIFFRACTION
PMID: 26878596 DOI: 10.1021/acs.jmedchem.5b01875
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:   (2S,4R)-4-(2-chloro-4-methoxybenzenesulfonyl)-1-[3-(5-chloropyridin-2-yl)azetidine-3-carbonyl]-N-(1-cyanocyclopropyl)pyrrolidine-2-carboxamide
Canonical SMILES:   COc1ccc(c(Cl)c1)S(=O)(=O)[C@@H]2C[C@@H](C(=O)NC3(C#N)CC3)N(C2)C(=O)C4(CNC4)c5ccc(Cl)cn5
Standard InChI:   InChI=1S/C25H25Cl2N5O5S/c1-37-16-3-4-20(18(27)8-16)38(35,36)17-9-19(22(33)31-24(12-28)6-7-24)32(11-17)23(34)25(13-29-14-25)21-5-2-15(26)10-30-21/h2-5,8,10,17,19,29H,6-7,9,11,13-14H2,1H3,(H,31,33)/t17-,19+/m1/s1
HET Code:   5T9 PubChem:   71679217
DrugBank:   - ChEMBL:   CHEMBL3671323
Molecular Formula:   C25H25Cl2N5O5S Mol. Weight:   577.09534 logP:   1.85378
HBD:   2 HBA:   8
#Rotatable Bonds:   7 TPSA:   141.49
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Nucleophilic Addition to a Triple Bond CYS 25 A 17.86 12.97 Nitrile
Binding Affinity
Database Name Value
PDBBind IC50 : 36 nM