PDB Entry (3iut)
PDB ID: 3iut Resolution: 1.2 Å Exp. Method: X-RAY DIFFRACTION
PMID: 20088534 DOI: 10.1021/jm901633v
Protein
Protein Name: Cruzipain
Uniprot ID/ACC: P25779 (CYSP_TRYCR) Organism: Trypanosoma cruzi
Gene Symbol: - Gene ID: -
Protein Class: HYDROLASE
Ligand
Ligand Name:   (3S)-3-{4-[(2S)-3-methyl-2-{[(quinolin-6-yl)methyl]amino}butan-2-yl]-1H-1,2,3-triazol-1-yl}-1-(2,3,5,6-tetrafluorophenoxy)heptan-2-one
Canonical SMILES:   Fc1c(F)cc(F)c(F)c1OCC(=O)[C@H](CCCC)n2cc(nn2)[C@](C)(C(C)C)NCc(c3)ccc(c34)nccc4
Standard InChI:   InChI=1S/C30H33F4N5O2/c1-5-6-9-24(25(40)17-41-29-27(33)21(31)14-22(32)28(29)34)39-16-26(37-38-39)30(4,18(2)3)36-15-19-10-11-23-20(13-19)8-7-12-35-23/h7-8,10-14,16,18,24,36H,5-6,9,15,17H2,1-4H3/t24-,30-/m0/s1
HET Code:   KB2 PubChem:   42641592
DrugBank:   - ChEMBL:   -
Molecular Formula:   C30H33F4N5O2 Mol. Weight:   571.257 logP:   6.4231
HBD:   1 HBA:   7
#Rotatable Bonds:   13 TPSA:   81.93
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Nucleophilic Aliphatic Subsititution CYS 25 A 21.43 13.17 Aryloxymethyl Carbonyl
Binding Affinity
Database Name Value
PDBBind Ki : 460 nM