8EAD

Crystal structure of the first bromodomain (BD1) of human BRD4 in complex with dual BRD4-JAK2 inhibitor MA9-177

• PDB DOI: https://doi.org/10.2210/pdb8EAD/pdb

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


• Deposited: 2022-08-29 Released: 2022-09-07 
• Deposition Author(s): Karim, M.R., Schonbrunn, E.
• Funding Organization(s): Leukemia & Lymphoma Society

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.65 Å
• R-Value Free: 0.195 
• R-Value Work: 0.151 
• R-Value Observed: 0.153 

Starting Model: experimental

Literature

Crystal structure of the first bromodomain (BD1) of human BRD4 in complex with dual BRD4-JAK2 inhibitor MA9-177

Karim, M.R., Schonbrunn, E.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 15.78 kDa 
• Atom Count: 1,287 
• 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 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
UY0 (Subject of Investigation/LOI)	C [auth A]	N-{2-chloro-5-[(5-methyl-2-{4-[2-(pyrrolidin-1-yl)ethoxy]anilino}pyrimidin-4-yl)amino]phenyl}-2-methylpropane-2-sulfonamide C27 H35 Cl N6 O3 S NXXALGDHLYKANS-UHFFFAOYSA-N
EDO	B [auth A], D [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.65 Å
• R-Value Free: 0.195 
• R-Value Work: 0.151 
• R-Value Observed: 0.153 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 37.953	α = 90
b = 44.416	β = 90
c = 78.646	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-09-07 
Deposition Author(s): Karim, M.R., Schonbrunn, E.

---

Funding Organization	Location	Grant Number
Leukemia & Lymphoma Society	United States	--

Revision History  

• Version 1.0: 2022-09-07
  Type: Initial release
  
• Version 1.1: 2023-10-18
  Changes: Data collection, Refinement description