PDB Entry (2yj8)
PDB ID: 2yj8 Resolution: 1.3 Å Exp. Method: X-RAY DIFFRACTION
PMID: 21898833 DOI: 10.1002/CMDC.201100353
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-chlorobenzenesulfonyl)-N-(1-cyanocyclopropyl)-1-[1-(4-iodophenyl)cyclopropanecarbonyl]pyrrolidine-2-carboxamide
Canonical SMILES:   Clc1ccccc1S(=O)(=O)[C@@H]2C[C@@H](C(=O)NC3(C#N)CC3)N(C2)C(=O)C4(CC4)c5ccc(I)cc5
Standard InChI:   InChI=1S/C25H23ClIN3O4S/c26-19-3-1-2-4-21(19)35(33,34)18-13-20(22(31)29-24(15-28)9-10-24)30(14-18)23(32)25(11-12-25)16-5-7-17(27)8-6-16/h1-8,18,20H,9-14H2,(H,29,31)/t18-,20+/m1/s1
HET Code:   YJ8 PubChem:   51031601
DrugBank:   - ChEMBL:   CHEMBL2335181
Molecular Formula:   C25H23ClIN3O4S Mol. Weight:   623.0143 logP:   3.59198
HBD:   1 HBA:   5
#Rotatable Bonds:   6 TPSA:   107.34
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Nucleophilic Addition to a Triple Bond CYS 25 A 17.65 12.99 Nitrile
Binding Affinity
Database Name Value
PDBBind IC50 : 6.5 nM