4MF0

ITK kinase domain in complex with benzothiazole inhibitor compound 12a (1S,2S)-2-{4-[(DIMETHYLAMINO)METHYL]PHENYL}-N-[6-(PYRIDIN-3-YL)-1,3-BENZOTHIAZOL-2-YL]CYCLOPROPANECARBOXAMIDE (12a)

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.67 Å
  • R-Value Free: 0.268 
  • R-Value Work: 0.212 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history. 

Literature

Structure-based design and synthesis of potent benzothiazole inhibitors of interleukin-2 inducible T cell kinase (ITK).

Mackinnon, C.H., Lau, K., Burch, J.D., Chen, Y., Dines, J., Ding, X., Eigenbrot, C., Heifetz, A., Jaochico, A., Johnson, A., Kraemer, J., Kruger, S., Krulle, T.M., Liimatta, M., Ly, J., Maghames, R., Montalbetti, C.A., Ortwine, D.F., Perez-Fuertes, Y., Shia, S., Stein, D.B., Trani, G., Vaidya, D.G., Wang, X., Bromidge, S.M., Wu, L.C., Pei, Z.

(2013) Bioorg.Med.Chem.Lett. 23: 6331-6335

  • DOI: 10.1016/j.bmcl.2013.09.069
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 

    • Inhibition of the non-receptor tyrosine kinase ITK, a component of the T-cell receptor signalling cascade, may represent a novel treatment for allergic asthma. Here we report the structure-based optimization of a series of benzothiazole amides that d ...

    Inhibition of the non-receptor tyrosine kinase ITK, a component of the T-cell receptor signalling cascade, may represent a novel treatment for allergic asthma. Here we report the structure-based optimization of a series of benzothiazole amides that demonstrate sub-nanomolar inhibitory potency against ITK with good cellular activity and kinase selectivity. We also elucidate the binding mode of these inhibitors by solving the X-ray crystal structures of several inhibitor-ITK complexes.

    Organizational Affiliation: 

    Evotec (UK) Ltd, 114 Milton Park, Abingdon, Oxfordshire OX14 4SA, United Kingdom.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Tyrosine-protein kinase ITK/TSK
A, B
266Homo sapiensMutation(s): 1 
Gene Names: ITK (EMT, LYK)
EC: 2.7.10.2
Find proteins for Q08881 (Homo sapiens)
Go to Gene View: ITK
Go to UniProtKB:  Q08881
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
29Z
Query on 29Z
Download SDF File 
Download CCD File 
A, B
(1S,2S)-2-{4-[(dimethylamino)methyl]phenyl}-N-[6-(pyridin-3-yl)-1,3-benzothiazol-2-yl]cyclopropanecarboxamide
C25 H24 N4 O S
PGABPPHMLFSKKA-RTWAWAEBSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
29ZKi: 8.4 nM (99) BINDINGDB
29ZIC50: 10000 nM (99) BINDINGDB
29ZKi: 8.4 nM PDBBIND
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.67 Å
  • R-Value Free: 0.268 
  • R-Value Work: 0.212 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 40.145α = 90.00
b = 155.488β = 93.74
c = 47.257γ = 90.00
Software Package:
Software NamePurpose
PHASERphasing
HKL-2000data reduction
MAR345dtbdata collection
BUSTERrefinement
SCALEPACKdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots


View more in-depth experimental data

Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2013-11-13
    Type: Initial release
  • Version 1.1: 2013-11-20
    Type: Database references