8BJU

HUMAN WEE1 KINASE IN COMPLEX WITH INHIBITOR 1-[6-(1-Hydroxy-1-methyl-ethyl)-pyridin-2-yl]-2-(2-methoxy-phenyl)-6-[4-(4-methyl-piperazin-1-yl)-phenylamino]-1,2-dihydro-pyrazolo[3,4-d]pyrimidin-3-one


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.53 Å
  • R-Value Free: 0.263 
  • R-Value Work: 0.221 
  • R-Value Observed: 0.223 

Starting Model: experimental
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Ligand Structure Quality Assessment 


This is version 1.1 of the entry. See complete history


Literature

Selective Wee1 Inhibitors Led to Antitumor Activity In Vitro and Correlated with Myelosuppression.

Guler, S.DiPoto, M.C.Crespo, A.Caldwell, R.Doerfel, B.Grossmann, N.Ho, K.Huck, B.Jones, C.C.Lan, R.Musil, D.Potnick, J.Schilke, H.Sherer, B.Simon, S.Sirrenberg, C.Zhang, Z.Liu-Bujalski, L.

(2023) ACS Med Chem Lett 14: 566-576

  • DOI: https://doi.org/10.1021/acsmedchemlett.2c00481
  • Primary Citation of Related Structures:  
    8BJT, 8BJU

  • PubMed Abstract: 

    Wee1 is a tyrosine kinase that is highly expressed in several cancer types. Wee1 inhibition can lead to suppression of tumor cell proliferation and sensitization of cells to the effects of DNA-damaging agents. AZD1775 is a nonselective Wee1 inhibitor for which myelosuppression has been observed as a dose-limiting toxicity. We have applied structure-based drug design (SBDD) to rapidly generate highly selective Wee1 inhibitors that demonstrate better selectivity than AZD1775 against PLK1, which is known to cause myelosuppression (including thrombocytopenia) when inhibited. While selective Wee1 inhibitors described herein still achieved in vitro antitumor efficacy, thrombocytopenia was still observed in vitro .


  • Organizational Affiliation

    EMD Serono, Billerica, Massachusetts 01821, United States.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Wee1-like protein kinase285Homo sapiensMutation(s): 0 
Gene Names: WEE1
EC: 2.7.10.2
UniProt & NIH Common Fund Data Resources
Find proteins for P30291 (Homo sapiens)
Explore P30291 
Go to UniProtKB:  P30291
PHAROS:  P30291
GTEx:  ENSG00000166483 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP30291
Sequence Annotations
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
QT9 (Subject of Investigation/LOI)
Query on QT9

Download Ideal Coordinates CCD File 
B [auth A]2-(2-methoxyphenyl)-6-[[4-(4-methylpiperazin-1-yl)phenyl]amino]-1-[6-(2-oxidanylpropan-2-yl)pyridin-2-yl]pyrazolo[3,4-d]pyrimidin-3-one
C31 H34 N8 O3
YRSUINBEIRGTSA-UHFFFAOYSA-N
Binding Affinity Annotations 
IDSourceBinding Affinity
QT9 BindingDB:  8BJU IC50: min: 9.6, max: 542 (nM) from 2 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.53 Å
  • R-Value Free: 0.263 
  • R-Value Work: 0.221 
  • R-Value Observed: 0.223 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 46.622α = 90
b = 50.577β = 90
c = 117.57γ = 90
Software Package:
Software NamePurpose
BUSTERrefinement
XDSdata scaling
XDSdata reduction
PHASERphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Not fundedGermany--

Revision History  (Full details and data files)

  • Version 1.0: 2023-05-31
    Type: Initial release
  • Version 1.1: 2024-02-07
    Changes: Data collection, Refinement description