PDB Entry (3of8)
PDB ID: 3of8 Resolution: 2.2 Å Exp. Method: X-RAY DIFFRACTION
PMID: 20850545 DOI: 10.1016/j.jsb.2010.09.007
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:   Z-Phe-Tyr (OBut)-COCHO
Canonical SMILES:   CC(C)(C)Oc1ccc(cc1)C[C@@H](C(=O)C=O)NC(=O)[C@H](Cc2ccccc2)NC(=O)OCc3ccccc3
Standard InChI:   InChI=1S/C31H34N2O6/c1-31(2,3)39-25-16-14-23(15-17-25)18-26(28(35)20-34)32-29(36)27(19-22-10-6-4-7-11-22)33-30(37)38-21-24-12-8-5-9-13-24/h4-17,20,26-27H,18-19,21H2,1-3H3,(H,32,36)(H,33,37)/t26-,27-/m0/s1
HET Code:   I0Y PubChem:   11663725
DrugBank:   - ChEMBL:   CHEMBL1233485
Molecular Formula:   C31H34N2O6 Mol. Weight:   530.2417 logP:   4.1969
HBD:   2 HBA:   6
#Rotatable Bonds:   12 TPSA:   110.8
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Hemi(thio)acetalization CYS 26 A 17.55 13.34 Aldehyde
Binding Affinity
Database Name Value
PDBBind Ki : 0.6 nM