PDB Entry (4an1)
PDB ID: 4an1 Resolution: 1.9 Å Exp. Method: X-RAY DIFFRACTION
PMID: 22484394 DOI: 10.1016/J.BIOCHI.2012.03.012
Protein
Protein Name: Prolyl endopeptidase
Uniprot ID/ACC: P23687 (PPCE_PIG) Organism: Sus scrofa (Pig)
Gene Symbol: PREP Gene ID: 445540
Protein Class: HYDROLASE
Ligand
Ligand Name:   IC-4
Canonical SMILES:   OCC(=O)[C@@H]1CCCN1C(=O)[C@@H]2CCCN2C(=O)NCc3ccccc3
Standard InChI:   InChI=1S/C19H25N3O4/c23-13-17(24)15-8-4-10-21(15)18(25)16-9-5-11-22(16)19(26)20-12-14-6-2-1-3-7-14/h1-3,6-7,15-16,23H,4-5,8-13H2,(H,20,26)/t15-,16-/m0/s1
HET Code:   2P8 PubChem:   178060
DrugBank:   - ChEMBL:   CHEMBL76578
Molecular Formula:   C19H25N3O4 Mol. Weight:   359.1845 logP:   0.913
HBD:   2 HBA:   4
#Rotatable Bonds:   5 TPSA:   89.95
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Hemi(thio)acetalization SER 554 A 21.77 - Ketone
Binding Affinity
Database Name Value
PDBBind Ki : 0.055 nM