8WQO

Crystal structure of BRD4-BD1 bound with DI106

• PDB DOI: https://doi.org/10.2210/pdb8WQO/pdb

• Classification: TRANSCRIPTION
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-10-12 Released: 2024-07-24 
• Deposition Author(s): Cao, D., Xiong, B.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.13 Å
• R-Value Free: 0.212 
• R-Value Work: 0.199 
• R-Value Observed: 0.199 

Literature

Rational design and evaluation of BET-Aurora A dual-inhibitors for treatment of cancers

Xiong, B., Kaikai, L., Cao, D., Dong, G.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 15.15 kDa 
• Atom Count: 1,236 
• Modelled Residue Count: 123 
• Deposited Residue Count: 124 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Isoform C of Bromodomain-containing protein 4	A	124	Homo sapiens	Mutation(s): 0  Gene Names: BRD4, HUNK1
UniProt & NIH Common Fund Data Resources
Find proteins for O60885 (Homo sapiens) Explore O60885  Go to UniProtKB:  O60885
PHAROS:  O60885 GTEx:  ENSG00000141867

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
X3L (Subject of Investigation/LOI)	B [auth A]	(3~{R})-6-[[4-(3,5-dimethyl-1~{H}-pyrazol-4-yl)pyrimidin-2-yl]amino]-1,3-dimethyl-4-propan-2-yl-3~{H}-quinoxalin-2-one C22 H27 N7 O QXGVEYHHHIIWTF-OAHLLOKOSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.13 Å
• R-Value Free: 0.212 
• R-Value Work: 0.199 
• R-Value Observed: 0.199 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 37.523	α = 90
b = 46.314	β = 90
c = 77.251	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
Aimless	data scaling

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-07-24 
Deposition Author(s): Cao, D., Xiong, B.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2024-07-24
  Type: Initial release