7OY5

Crystal structure of GSK3Beta in complex with ARN25068


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.57 Å
  • R-Value Free: 0.260 
  • R-Value Work: 0.219 
  • R-Value Observed: 0.221 

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Ligand Structure Quality Assessment 


This is version 1.1 of the entry. See complete history


Literature

ARN25068, a versatile starting point towards triple GSK-3 beta /FYN/DYRK1A inhibitors to tackle tau-related neurological disorders.

Demuro, S.Sauvey, C.Tripathi, S.K.Di Martino, R.M.C.Shi, D.Ortega, J.A.Russo, D.Balboni, B.Giabbai, B.Storici, P.Girotto, S.Abagyan, R.Cavalli, A.

(2022) Eur J Med Chem 229: 114054-114054

  • DOI: https://doi.org/10.1016/j.ejmech.2021.114054
  • Primary Citation of Related Structures:  
    7OY5, 7OY6

  • PubMed Abstract: 

    The human kinome plays a crucial role in several pathways. Its dysregulation has been linked to diverse central nervous system (CNS)-related disorders with a drastic impact on the aging population. Among them, tauopathies, such as Alzheimer's Disease (AD) and Frontotemporal Lobar degeneration (FTLD-tau), are neurodegenerative disorders pathologically defined by the presence of hyperphosphorylated tau-positive intracellular inclusions known as neurofibrillary tangles (NFTs). Compelling evidence has reported the great potential of the simultaneous modulation of multiple protein kinases (PKs) involved in abnormal tau phosphorylation through a concerted pharmacological approach to achieve a superior therapeutic effect relative to classic "one target, one drug" approaches. Here, we report on the identification and characterization of ARN25068 (4), a low nanomolar and well-balanced dual GSK-3β and FYN inhibitor, which also shows inhibitory activity against DYRK1A, an emerging target in AD and tauopathies. Computational and X-Ray studies highlight compound 4's typical H-bonding pattern of ATP-competitive inhibitors at the binding sites of all three PKs. In a tau phosphorylation assay on Tau0N4R-TM-tGFP U2OS cell line, 4 reduces the extent of tau phosphorylation, promoting tau-stabilized microtubule bundles. In conclusion, this compound emerges as a promising prototype for further SAR explorations to develop potent and well-balanced triple GSK-3β/FYN/DYRK1A inhibitors to tackle tau hyperphosphorylation.


  • Organizational Affiliation

    Computational and Chemical Biology, Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genoa, Italy; Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro 6, 40126, Bologna, Italy.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Glycogen synthase kinase-3 beta
A, B
351Homo sapiensMutation(s): 0 
Gene Names: GSK3B
EC: 2.7.11.26 (PDB Primary Data), 2.7.11.1 (PDB Primary Data)
UniProt & NIH Common Fund Data Resources
Find proteins for P49841 (Homo sapiens)
Explore P49841 
Go to UniProtKB:  P49841
PHAROS:  P49841
GTEx:  ENSG00000082701 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP49841
Sequence Annotations
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  • Reference Sequence
Small Molecules
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.57 Å
  • R-Value Free: 0.260 
  • R-Value Work: 0.219 
  • R-Value Observed: 0.221 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 82.57α = 90
b = 86.07β = 90
c = 178.59γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
iMOSFLMdata reduction
Aimlessdata scaling
PHASERphasing

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2022-03-02
    Type: Initial release
  • Version 1.1: 2024-01-31
    Changes: Data collection, Refinement description