4DVI

Crystal structure of Tankyrase 1 with IWR2


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Free: 0.258 
  • R-Value Work: 0.248 

wwPDB Validation   3D Report Full Report



Literature

Novel binding mode of a potent and selective tankyrase inhibitor.

Gunaydin, H.Gu, Y.Huang, X.

(2012) PLoS One 7: e33740-e33740

  • DOI: 10.1371/journal.pone.0033740
  • Primary Citation of Related Structures:  
    4DVI

  • PubMed Abstract: 
  • Tankyrases (TNKS1 and TNKS2) are key regulators of cellular processes such as telomere pathway and Wnt signaling. IWRs (inhibitors of Wnt response) have recently been identified as potent and selective inhibitors of tankyrases. However, it is not clear h ...

    Tankyrases (TNKS1 and TNKS2) are key regulators of cellular processes such as telomere pathway and Wnt signaling. IWRs (inhibitors of Wnt response) have recently been identified as potent and selective inhibitors of tankyrases. However, it is not clear how these IWRs interact with tankyrases. Here we report the crystal structure of the catalytic domain of human TNKS1 in complex with IWR2, which reveals a novel binding site for tankyrase inhibitors. The TNKS1/IWR2 complex provides a molecular basis for their strong and specific interactions and suggests clues for further development of tankyrase inhibitors.


    Organizational Affiliation

    Department of Molecular Structure, Amgen, Cambridge, Massachusetts, United States of America.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Tankyrase-1 AB217Homo sapiensMutation(s): 0 
Gene Names: TNKSPARP5APARPLTIN1TINF1TNKS1
EC: 2.4.2.30 (PDB Primary Data), 2.4.2 (UniProt)
Find proteins for O95271 (Homo sapiens)
Explore O95271 
Go to UniProtKB:  O95271
NIH Common Fund Data Resources
PHAROS:  O95271
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
2IW
Query on 2IW

Download Ideal Coordinates CCD File 
A, B
4-[(3aR,4S,7R,7aS)-1,3-dioxo-1,3,3a,4,7,7a-hexahydro-2H-4,7-methanoisoindol-2-yl]-N-(4-methylquinolin-8-yl)benzamide
C26 H21 N3 O3
BLPUCTSDPCUHQQ-NEAWWFDSSA-N
 Ligand Interaction
ZN
Query on ZN

Download Ideal Coordinates CCD File 
A, B
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
2IWIC50 :  192   nM  PDBBind
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Free: 0.258 
  • R-Value Work: 0.248 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 41.47α = 90
b = 77.94β = 90
c = 146.54γ = 90
Software Package:
Software NamePurpose
HKL-2000data collection
AMoREphasing
CNSrefinement
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

  • Deposited Date: 2012-02-23 
  • Released Date: 2012-04-04 
  • Deposition Author(s): Huang, X.

Revision History 

  • Version 1.0: 2012-04-04
    Type: Initial release