8PIQ

Crystal Structure of BRD4-BD1 with BI894999

• PDB DOI: https://doi.org/10.2210/pdb8PIQ/pdb

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


• Deposited: 2023-06-22 Released: 2023-07-26 
• Deposition Author(s): Kessler, D.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.12 Å
• R-Value Free: 0.187 
• R-Value Work: 0.167 
• R-Value Observed: 0.168 

Literature

Crystal Structure of BRD4-BD1 with BI894999

Kessler, D.

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: 15.77 kDa 
• Atom Count: 1,284 
• Modelled Residue Count: 127 
• Deposited Residue Count: 127 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Bromodomain-containing protein 4	A	127	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 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZHO (Subject of Investigation/LOI)	B [auth A]	~{N},3-dimethyl-6-[6-(4-methylpiperazin-1-yl)-1-(phenylmethyl)benzimidazol-2-yl]-[1,2,4]triazolo[4,3-a]pyrazin-8-amine C26 H29 N9 JLUUVUUYIXBDCG-UHFFFAOYSA-N
DMS	D [auth A]	DIMETHYL SULFOXIDE C2 H6 O S IAZDPXIOMUYVGZ-UHFFFAOYSA-N
EDO	C [auth A], E [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.12 Å
• R-Value Free: 0.187 
• R-Value Work: 0.167 
• R-Value Observed: 0.168 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 40.676	α = 90
b = 43.314	β = 90
c = 81.66	γ = 90

Software Package:

Software Name	Purpose
BUSTER	refinement

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-07-26 
Deposition Author(s): Kessler, D.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2023-07-26
  Type: Initial release