6V17

Crystal structure of the bromodomain of human BRD7 bound to I-BRD9


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.05 Å
  • R-Value Free: 0.241 
  • R-Value Work: 0.209 
  • R-Value Observed: 0.211 

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


Literature

Structural Basis of Inhibitor Selectivity in the BRD7/9 Subfamily of Bromodomains.

Karim, R.M.Chan, A.Zhu, J.Y.Schonbrunn, E.

(2020) J Med Chem 63: 3227-3237

  • DOI: https://doi.org/10.1021/acs.jmedchem.9b01980
  • Primary Citation of Related Structures:  
    6PPA, 6UZF, 6V0Q, 6V0S, 6V0U, 6V0X, 6V14, 6V16, 6V17, 6V1B, 6V1E, 6V1F, 6V1H, 6V1K, 6V1L, 6V1U

  • PubMed Abstract: 

    Inhibition of the bromodomain containing protein 9 (BRD9) by small molecules is an attractive strategy to target mutated SWI/SNF chromatin-remodeling complexes in cancer. However, reported BRD9 inhibitors also inhibit the closely related bromodomain-containing protein 7 (BRD7), which has different biological functions. The structural basis for differential potency and selectivity of BRD9 inhibitors is largely unknown because of the lack of structural information on BRD7. Here, we biochemically and structurally characterized diverse inhibitors with varying degrees of potency and selectivity for BRD9 over BRD7. Novel cocrystal structures of BRD7 liganded with new and previously reported inhibitors of five different chemical scaffolds were determined alongside BRD9 and BRD4. We also report the discovery of first-in-class dual bromodomain-kinase inhibitors outside the bromodomain and extraterminal family targeting BRD7 and BRD9. Combined, the data provide a new framework for the development of BRD7/9 inhibitors with improved selectivity or additional polypharmacologic properties.


  • Organizational Affiliation

    Department of Drug Discovery, Moffitt Cancer Center, 12902 Magnolia Drive, Tampa, Florida 33612, United States.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Bromodomain-containing protein 7
A, B
123Homo sapiensMutation(s): 0 
Gene Names: BRD7BP75CELTIX1
UniProt & NIH Common Fund Data Resources
Find proteins for Q9NPI1 (Homo sapiens)
Explore Q9NPI1 
Go to UniProtKB:  Q9NPI1
PHAROS:  Q9NPI1
GTEx:  ENSG00000166164 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ9NPI1
Sequence Annotations
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  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
H1B (Subject of Investigation/LOI)
Query on H1B

Download Ideal Coordinates CCD File 
D [auth A],
E [auth B]
N'-[1,1-bis(oxidanylidene)thian-4-yl]-5-ethyl-4-oxidanylidene-7-[3-(trifluoromethyl)phenyl]thieno[3,2-c]pyridine-2-carboximidamide
C22 H22 F3 N3 O3 S2
WRUWGLUCNBMGPS-UHFFFAOYSA-N
CL
Query on CL

Download Ideal Coordinates CCD File 
C [auth A]CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.05 Å
  • R-Value Free: 0.241 
  • R-Value Work: 0.209 
  • R-Value Observed: 0.211 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 41.102α = 90
b = 64.749β = 90
c = 96.107γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
Aimlessdata scaling
PDB_EXTRACTdata extraction
DIALSdata reduction
PHASERphasing

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2020-03-11
    Type: Initial release
  • Version 1.1: 2020-04-08
    Changes: Database references
  • Version 1.2: 2023-10-11
    Changes: Data collection, Database references, Refinement description