4GPJ

Crystal Structure of the first bromodomain of human BRD4 in complex with a isoxazolylbenzimidazole ligand


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.60 Å
  • R-Value Free: 0.204 
  • R-Value Work: 0.165 
  • R-Value Observed: 0.167 

Starting Model: experimental
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This is version 1.2 of the entry. See complete history


Literature

The design and synthesis of 5- and 6-isoxazolylbenzimidazoles as selective inhibitors of the BET bromodomains.

Hay, D.Fedorov, O.Filippakopoulos, P.Martin, S.Philpott, M.Picaud, S.Hewings, D.S.Uttakar, S.Heightman, T.D.Conway, S.J.Knapp, S.Brennan, P.E.

(2013) Medchemcomm 4: 140-144

  • DOI: https://doi.org/10.1039/C2MD20189E
  • Primary Citation of Related Structures:  
    4GPJ

  • PubMed Abstract: 

    Simple 1-substituted 5- and 6-isoxazolyl-benzimidazoles have been shown to be potent inhibitors of the BET bromodomains with selectivity over the related bromodomain of CBP. The reported inhibitors were prepared from simple starting materials in two steps followed by separation of the regioisomers or regioselectively in three steps.


  • Organizational Affiliation

    Structural Genomics Consortium, Nuffield Department of Clinical Medicine, University of Oxford, Old Road Campus Research Building, Roosevelt Drive, Oxford OX3 7DQ, UK.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Bromodomain-containing protein 4127Homo sapiensMutation(s): 0 
Gene Names: BRD4HUNK1
UniProt & NIH Common Fund Data Resources
Find proteins for O60885 (Homo sapiens)
Explore O60885 
Go to UniProtKB:  O60885
PHAROS:  O60885
GTEx:  ENSG00000141867 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupO60885
Sequence Annotations
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.60 Å
  • R-Value Free: 0.204 
  • R-Value Work: 0.165 
  • R-Value Observed: 0.167 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 37.29α = 90
b = 44.38β = 90
c = 79.12γ = 90
Software Package:
Software NamePurpose
SCALAdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction
CrystalCleardata collection
MOSFLMdata reduction

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Revision History  (Full details and data files)

  • Version 1.0: 2012-10-17
    Type: Initial release
  • Version 1.1: 2022-08-24
    Changes: Database references, Derived calculations
  • Version 1.2: 2023-09-13
    Changes: Data collection, Refinement description