5XI4

BRD4 bound with compound Bdi4

• PDB DOI: https://doi.org/10.2210/pdb5XI4/pdb

• Classification: TRANSCRIPTION/INHIBITOR
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2017-04-25 Released: 2018-05-02 
• Deposition Author(s): Xiong, B., Cao, D., Li, Y.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.49 Å
• R-Value Free: 0.253 
• R-Value Work: 0.217 
• R-Value Observed: 0.219 

Literature

BRD4 bound with compound Bdi4

Xiong, B., Cao, D., Li, Y.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 15.1 kDa 
• Atom Count: 1,176 
• Modelled Residue Count: 124 
• Deposited Residue Count: 124 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
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
8F0	B [auth A]	(3~{S})-4-cyclopropyl-1,3-dimethyl-6-[[(1~{S})-1-(4-methylphenyl)ethyl]amino]-3~{H}-quinoxalin-2-one C22 H27 N3 O UJLYWYBIZBFHNH-HOTGVXAUSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.49 Å
• R-Value Free: 0.253 
• R-Value Work: 0.217 
• R-Value Observed: 0.219 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 35.124	α = 90
b = 47.421	β = 90
c = 77.817	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XDS	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2018-05-02 
Deposition Author(s): Xiong, B., Cao, D., Li, Y.

Revision History  

• Version 1.0: 2018-05-02
  Type: Initial release
  
• Version 1.1: 2024-03-27
  Changes: Data collection, Database references