6VIY

BRD2_Bromodomain2 complex with pyrrolopyridone compound 27


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Free: 0.255 
  • R-Value Work: 0.213 
  • R-Value Observed: 0.215 

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


Literature

Discovery ofN-Ethyl-4-[2-(4-fluoro-2,6-dimethyl-phenoxy)-5-(1-hydroxy-1-methyl-ethyl)phenyl]-6-methyl-7-oxo-1H-pyrrolo[2,3-c]pyridine-2-carboxamide (ABBV-744), a BET Bromodomain Inhibitor with Selectivity for the Second Bromodomain.

Sheppard, G.S.Wang, L.Fidanze, S.D.Hasvold, L.A.Liu, D.Pratt, J.K.Park, C.H.Longenecker, K.Qiu, W.Torrent, M.Kovar, P.J.Bui, M.Faivre, E.Huang, X.Lin, X.Wilcox, D.Zhang, L.Shen, Y.Albert, D.H.Magoc, T.J.Rajaraman, G.Kati, W.M.McDaniel, K.F.

(2020) J Med Chem 63: 5585-5623

  • DOI: https://doi.org/10.1021/acs.jmedchem.0c00628
  • Primary Citation of Related Structures:  
    6VIW, 6VIX, 6VIY, 6VIZ

  • PubMed Abstract: 

    The BET family of proteins consists of BRD2, BRD3, BRD4, and BRDt. Each protein contains two distinct bromodomains (BD1 and BD2). BET family bromodomain inhibitors under clinical development for oncology bind to each of the eight bromodomains with similar affinities. We hypothesized that it may be possible to achieve an improved therapeutic index by selectively targeting subsets of the BET bromodomains. Both BD1 and BD2 are highly conserved across family members (>70% identity), whereas BD1 and BD2 from the same protein exhibit a larger degree of divergence (∼40% identity), suggesting selectivity between BD1 and BD2 of all family members would be more straightforward to achieve. Exploiting the Asp144/His437 and Ile146/Val439 sequence differences (BRD4 BD1/BD2 numbering) allowed the identification of compound 27 demonstrating greater than 100-fold selectivity for BRD4 BD2 over BRD4 BD1. Further optimization to improve BD2 selectivity and oral bioavailability resulted in the clinical development compound 46 (ABBV-744).


  • Organizational Affiliation

    Oncology Discovery, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Bromodomain-containing protein 2
A, B
112Homo sapiensMutation(s): 0 
Gene Names: BRD2KIAA9001RING3
UniProt & NIH Common Fund Data Resources
Find proteins for P25440 (Homo sapiens)
Explore P25440 
Go to UniProtKB:  P25440
PHAROS:  P25440
GTEx:  ENSG00000204256 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP25440
Sequence Annotations
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
QYY (Subject of Investigation/LOI)
Query on QYY

Download Ideal Coordinates CCD File 
C [auth A]4-[2-(2,6-dimethylphenoxy)-5-(ethylsulfonyl)phenyl]-N-ethyl-6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridine-2-carboxamide
C27 H29 N3 O5 S
OPEBMJVHBSSVLY-UHFFFAOYSA-N
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Free: 0.255 
  • R-Value Work: 0.213 
  • R-Value Observed: 0.215 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 59.99α = 90
b = 68.01β = 95.74
c = 59.56γ = 90
Software Package:
Software NamePurpose
BUSTERrefinement
PDB_EXTRACTdata extraction
XSCALEdata scaling

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2020-05-06
    Type: Initial release
  • Version 1.1: 2020-06-10
    Changes: Database references
  • Version 1.2: 2023-10-11
    Changes: Data collection, Database references, Refinement description