Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

Standalone Viewers  
Protein Workshop | Ligand Explorer

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

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

Macromolecule Content

• Total Structure Weight: 15504.89 
• Atom Count: 1108 
• Residue Count: 127 
• Unique protein chains: 1

4LYW

Crystal Structure of BRD4(1) bound to inhibitor XD14

• DOI: 10.2210/pdb4LYW/pdb

• Classification: PROTEIN BINDING/INHIBITOR
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)


• Deposited: 2013-07-31 Released: 2014-01-15 
• Deposition Author(s): Wohlwend, D., Gerhardt, S., Einsle, O.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free: 0.235 
• R-Value Work: 0.197 

Literature

4-Acyl pyrroles: mimicking acetylated lysines in histone code reading.

Lucas, X., Wohlwend, D., Hugle, M., Schmidtkunz, K., Gerhardt, S., Schule, R., Jung, M., Einsle, O., Gunther, S.

(2013) Angew.Chem.Int.Ed.Engl. 52: 14055-14059

• PubMed: 24272870 
• DOI: 10.1002/anie.201307652
• Primary Citation of Related Structures:  
  4LZS, 4LZR, 4LYS, 4LYI

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
Bromodomain-containing protein 4	A	127	Homo sapiens	Mutation(s): 0  Gene Names: BRD4 (HUNK1)
Find proteins for O60885 (Homo sapiens) Go to Gene View: BRD4 Go to UniProtKB:  O60885

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram & Interactions
21Q	A	4-acetyl-N-[5-(diethylsulfamoyl)-2-hydroxyphenyl]-3-ethyl-5-methyl-1H-pyrrole-2-carboxamide C20 H27 N3 O5 S DPBKLIVPNYGQQG-UHFFFAOYSA-N

External Ligand Annotations
ID	Binding Affinity (Sequence Identity %)
21Q	Kd: 237 nM BINDINGMOAD

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free: 0.235 
• R-Value Work: 0.197 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length (Å)	Angle (°)
a = 41.810	α = 90.00
b = 47.920	β = 90.00
c = 57.800	γ = 90.00

Software Package:

Software Name	Purpose
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
XSCALE	data scaling

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2013-07-31 
• Released Date: 2014-01-15 
• Deposition Author(s): Wohlwend, D., Gerhardt, S., Einsle, O.

Revision History 

• Version 1.0: 2014-01-15
  Type: Initial release