PDB Entry (4hct)
PDB ID: 4hct Resolution: 1.48 Å Exp. Method: X-RAY DIFFRACTION
PMID: 23098091 DOI: 10.1021/jm301190s
Protein
Protein Name: Tyrosine-protein kinase ITK/TSK
Uniprot ID/ACC: Q08881 (ITK_HUMAN) Organism: Homo sapiens (Human)
Gene Symbol: ITK Gene ID: 3702
Protein Class: TRANSFERASE
Ligand
Ligand Name:   3-{1-[(3R)-1-acryloylpiperidin-3-yl]-4-amino-1H-pyrazolo[3,4-d]pyrimidin-3-yl}-N-(3-tert-butylphenyl)benzamide
Canonical SMILES:   CC(C)(C)c1cccc(c1)NC(=O)c2cccc(c2)-c(c(c34)c(N)ncn4)nn3[C@@H]5CCCN(C5)C(=O)C=C
Standard InChI:   InChI=1S/C30H33N7O2/c1-5-24(38)36-14-8-13-23(17-36)37-28-25(27(31)32-18-33-28)26(35-37)19-9-6-10-20(15-19)29(39)34-22-12-7-11-21(16-22)30(2,3)4/h5-7,9-12,15-16,18,23H,1,8,13-14,17H2,2-4H3,(H,34,39)(H2,31,32,33)/t23-/m1/s1
HET Code:   18R PubChem:   72200985
DrugBank:   - ChEMBL:   -
Molecular Formula:   C30H33N7O2 Mol. Weight:   523.2696 logP:   4.9748
HBD:   2 HBA:   7
#Rotatable Bonds:   5 TPSA:   119.03
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Michael Addition CYS 442 A 33.26 10.05 Vinyl Carbonyl
Binding Affinity
Database Name Value
PDBBind IC50 : 73 nM
BindingDB IC50 : 2210 nM , IC50 : 73 nM , IC50 : 10 nM