6-Amino-4-(pyrimidin-4-yl)pyridones: Novel Glycogen Synthase Kinase-3 Inhibitors

Experimental Data Snapshot

  • Resolution: 2.70 Å
  • R-Value Free: 0.259 
  • R-Value Work: 0.228 

wwPDB Validation   3D Report Full Report

Ligand Structure Quality Assessment 

This is version 1.3 of the entry. See complete history


6-amino-4-(pyrimidin-4-yl)pyridones: novel glycogen synthase kinase-3β inhibitors

Coffman, K.Brodney, M.Cook, J.Lanyon, L.Pandit, J.Sakya, S.Schachter, J.Tseng-Lovering, E.Wessel, M.

(2011) Bioorg Med Chem Lett 21: 1429-1433

  • DOI: https://doi.org/10.1016/j.bmcl.2011.01.017
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 

    The synthesis and structure-activity relationships for a novel series of 6-amino-4-(pyrimidin-4-yl)pyridones derived from a high throughput screening hit are discussed. Optimization of lead matter afforded compounds with good potency, selectivity and central nervous system (CNS) exposure.

  • Organizational Affiliation

    Pfizer Global Research and Development, Groton Laboratories, Groton, CT 06340, USA. karen.j.coffman@pfizer.com

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Glycogen synthase kinase-3 beta
A, B
424Homo sapiensMutation(s): 0 
Gene Names: GSK3B
UniProt & NIH Common Fund Data Resources
Find proteins for P49841 (Homo sapiens)
Explore P49841 
Go to UniProtKB:  P49841
GTEx:  ENSG00000082701 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP49841
Sequence Annotations
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
Query on 55E

Download Ideal Coordinates CCD File 
C [auth A],
D [auth B]
C17 H14 N2 O2
Binding Affinity Annotations 
IDSourceBinding Affinity
55E PDBBind:  3Q3B IC50: 17.2 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Resolution: 2.70 Å
  • R-Value Free: 0.259 
  • R-Value Work: 0.228 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 83.453α = 90
b = 85.647β = 90
c = 178.8γ = 90
Software Package:
Software NamePurpose
HKL-2000data reduction
SCALEPACKdata scaling

Structure Validation

View Full Validation Report

Ligand Structure Quality Assessment 

Entry History 

Deposition Data

  • Released Date: 2011-06-15 
  • Deposition Author(s): Pandit, J.

Revision History  (Full details and data files)

  • Version 1.0: 2011-06-15
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance
  • Version 1.2: 2018-01-24
    Changes: Structure summary
  • Version 1.3: 2024-02-21
    Changes: Data collection, Database references, Derived calculations