Crystal structure of ITK in complex with compound 52

Structural Biology Knowledgebase: 4HCT SBKB.org

Experimental Data Snapshot

  • Resolution: 1.48 Å
  • R-Value Free: 0.184
  • R-Value Work: 0.171

wwPDB Validation Full Report


Sequence Display for 4HCT

Classification: transferase / transferase inhibitor

Total Structure Weight: 31172.85

Macromolecule Entities
Molecule Chains Length Organism Details
Tyrosine-protein kinase ITK/TSK A 269 Homo sapiens EC#: IUBMB
Fragment: Interleukin-2 Inducible T cell Kinase
Mutation: K596R
Gene Name(s): ITK Gene View EMT LYK

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
Query on 18R

A 3-{1-[(3R)-1-acryloylpiperidin-3-yl]-4-amino- 1H-pyrazolo[3,4-d]pyrimidin-3-yl}-N-(3-tert- butylphenyl)benzamide
C30 H33 N7 O2
Ligand Explorer
Binding Pocket (JSmol)
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
18R N/A in BindingDB
N/A in BindingMoad
IC50: 73 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Resolution: 1.48 Å
  • R-Value Free: 0.184
  • R-Value Work: 0.171
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 41.41 α = 90.00
b = 67.85 β = 111.23
c = 49.28 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots

Entry History

Deposition Data

  • Deposited Date: 2012-10-01
  • Released Date: 2012-11-14
  • Deposition author(s): Zapf, C.W., Gerstenberger, B.S., Xing, L., Limburg, D.C., Anderson, D.R., Caspers, N., Han, S., Aulabaugh, A., Kurumbail, R., Shakya, S., Li, X., Spaulding, V., Czerwinski, R.M., Seth, N., Medley, Q.G.

Revision History

  • 2013-01-02
    Type: Citation | Details: Citation update
  • 2012-11-14
    Type: Citation | Details: Citation update