4MSG

Crystal structure of tankyrase 1 with compound 22


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.80 Å
  • R-Value Free: 0.234 
  • R-Value Work: 0.212 

wwPDB Validation   3D Report Full Report


Ligand Structure Quality Assessment 


This is version 1.2 of the entry. See complete history


Literature

Development of novel dual binders as potent, selective, and orally bioavailable tankyrase inhibitors.

Hua, Z.Bregman, H.Buchanan, J.L.Chakka, N.Guzman-Perez, A.Gunaydin, H.Huang, X.Gu, Y.Berry, V.Liu, J.Teffera, Y.Huang, L.Egge, B.Emkey, R.Mullady, E.L.Schneider, S.Andrews, P.S.Acquaviva, L.Dovey, J.Mishra, A.Newcomb, J.Saffran, D.Serafino, R.Strathdee, C.A.Turci, S.M.Stanton, M.Wilson, C.Dimauro, E.F.

(2013) J Med Chem 56: 10003-10015

  • DOI: https://doi.org/10.1021/jm401317z
  • Primary Citation of Related Structures:  
    4MSG, 4MSK, 4MT9

  • PubMed Abstract: 

    Tankyrases (TNKS1 and TNKS2) are proteins in the poly ADP-ribose polymerase (PARP) family. They have been shown to directly bind to axin proteins, which negatively regulate the Wnt pathway by promoting β-catenin degradation. Inhibition of tankyrases may offer a novel approach to the treatment of APC-mutant colorectal cancer. Hit compound 8 was identified as an inhibitor of tankyrases through a combination of substructure searching of the Amgen compound collection based on a minimal binding pharmacophore hypothesis and high-throughput screening. Herein we report the structure- and property-based optimization of compound 8 leading to the identification of more potent and selective tankyrase inhibitors 22 and 49 with improved pharmacokinetic properties in rodents, which are well suited as tool compounds for further in vivo validation studies.


  • Organizational Affiliation

    Department of Chemistry Research and Discovery, ‡Department of Pharmacokinetics and Drug Metabolism, §Oncology Research, ∥Department of Molecular Structure, ⊥Bioassay and Profiling, and #Pharmaceutics, Amgen Inc. , 360 Binney Street, Cambridge, Massachusetts 02142, United States.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Tankyrase-1
A, B
217Homo sapiensMutation(s): 0 
Gene Names: TNKSPARP5APARPLTIN1TINF1TNKS1
EC: 2.4.2.30
UniProt & NIH Common Fund Data Resources
Find proteins for O95271 (Homo sapiens)
Explore O95271 
Go to UniProtKB:  O95271
PHAROS:  O95271
GTEx:  ENSG00000173273 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupO95271
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Binding Affinity Annotations 
IDSourceBinding Affinity
2C6 Binding MOAD:  4MSG IC50: 0.1 (nM) from 1 assay(s)
BindingDB:  4MSG IC50: min: 0.11, max: 4.1 (nM) from 2 assay(s)
PDBBind:  4MSG IC50: 0.1 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.80 Å
  • R-Value Free: 0.234 
  • R-Value Work: 0.212 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 41.529α = 90
b = 77.568β = 90
c = 148.152γ = 90
Software Package:
Software NamePurpose
HKL-2000data collection
AMoREphasing
CNSrefinement
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment 


Entry History 

Deposition Data

  • Released Date: 2013-12-25 
  • Deposition Author(s): Huang, X.

Revision History  (Full details and data files)

  • Version 1.0: 2013-12-25
    Type: Initial release
  • Version 1.1: 2014-02-05
    Changes: Database references
  • Version 1.2: 2024-02-28
    Changes: Data collection, Database references, Derived calculations